xref: /frameworks/base/services/tests/uiservicestests/src/com/android/server/notification/GroupHelperTest.java

/*
 * Copyright (C) 2016 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.android.server.notification;

import static android.app.Flags.FLAG_SORT_SECTION_BY_TIME;
import static android.app.Notification.COLOR_DEFAULT;
import static android.app.Notification.FLAG_AUTO_CANCEL;
import static android.app.Notification.FLAG_BUBBLE;
import static android.app.Notification.FLAG_CAN_COLORIZE;
import static android.app.Notification.FLAG_FOREGROUND_SERVICE;
import static android.app.Notification.FLAG_GROUP_SUMMARY;
import static android.app.Notification.FLAG_NO_CLEAR;
import static android.app.Notification.FLAG_ONGOING_EVENT;
import static android.app.Notification.GROUP_ALERT_ALL;
import static android.app.Notification.GROUP_ALERT_CHILDREN;
import static android.app.Notification.GROUP_ALERT_SUMMARY;
import static android.app.Notification.VISIBILITY_PRIVATE;
import static android.app.Notification.VISIBILITY_PUBLIC;
import static android.app.Notification.VISIBILITY_SECRET;
import static android.app.NotificationManager.IMPORTANCE_DEFAULT;
import static android.app.NotificationManager.IMPORTANCE_LOW;
import static android.service.notification.Flags.FLAG_NOTIFICATION_CLASSIFICATION;
import static android.service.notification.Flags.FLAG_NOTIFICATION_FORCE_GROUPING;
import static android.service.notification.Flags.FLAG_NOTIFICATION_REGROUP_ON_CLASSIFICATION;
import static android.service.notification.NotificationListenerService.REASON_APP_CANCEL;
import static android.platform.test.flag.junit.SetFlagsRule.DefaultInitValueType.DEVICE_DEFAULT;

import static com.android.server.notification.Flags.FLAG_NOTIFICATION_FORCE_GROUP_CONVERSATIONS;
import static com.android.server.notification.Flags.FLAG_NOTIFICATION_FORCE_GROUP_SINGLETONS;
import static com.android.server.notification.GroupHelper.AGGREGATE_GROUP_KEY;
import static com.android.server.notification.GroupHelper.AUTOGROUP_KEY;
import static com.android.server.notification.GroupHelper.BASE_FLAGS;

import static com.google.common.truth.Truth.assertThat;

import static junit.framework.Assert.assertEquals;

import static org.mockito.ArgumentMatchers.any;
import static org.mockito.ArgumentMatchers.anyBoolean;
import static org.mockito.ArgumentMatchers.anyInt;
import static org.mockito.ArgumentMatchers.anyString;
import static org.mockito.ArgumentMatchers.eq;
import static org.mockito.Mockito.doReturn;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.never;
import static org.mockito.Mockito.reset;
import static org.mockito.Mockito.spy;
import static org.mockito.Mockito.times;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.verifyNoMoreInteractions;
import static org.mockito.Mockito.when;

import android.annotation.SuppressLint;
import android.app.Notification;
import android.app.NotificationChannel;
import android.app.PendingIntent;
import android.content.Intent;
import android.content.pm.PackageManager;
import android.graphics.Color;
import android.graphics.drawable.AdaptiveIconDrawable;
import android.graphics.drawable.Drawable;
import android.graphics.drawable.Icon;
import android.os.UserHandle;
import android.platform.test.annotations.DisableFlags;
import android.platform.test.annotations.EnableFlags;
import android.platform.test.flag.junit.FlagsParameterization;
import android.platform.test.flag.junit.SetFlagsRule;
import android.service.notification.StatusBarNotification;
import android.util.ArrayMap;

import androidx.test.filters.SmallTest;

import com.android.internal.R;
import com.android.server.UiServiceTestCase;
import com.android.server.notification.GroupHelper.CachedSummary;
import com.android.server.notification.GroupHelper.FullyQualifiedGroupKey;
import com.android.server.notification.GroupHelper.NotificationAttributes;
import com.android.server.notification.GroupHelper.NotificationSectioner;

import org.junit.Before;
import org.junit.Rule;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.mockito.Mock;
import org.mockito.Mockito;
import org.mockito.MockitoAnnotations;

import platform.test.runner.parameterized.ParameterizedAndroidJunit4;
import platform.test.runner.parameterized.Parameters;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

@SmallTest
@SuppressLint("GuardedBy") // It's ok for this test to access guarded methods from the class.
@RunWith(ParameterizedAndroidJunit4.class)
public class GroupHelperTest extends UiServiceTestCase {
    @Rule
    public final SetFlagsRule mSetFlagsRule = new SetFlagsRule(DEVICE_DEFAULT);

    private final int DEFAULT_VISIBILITY = VISIBILITY_PRIVATE;
    private final int DEFAULT_GROUP_ALERT = GROUP_ALERT_CHILDREN;

    private final String TEST_CHANNEL_ID = "TEST_CHANNEL_ID";

    private @Mock GroupHelper.Callback mCallback;
    private @Mock PackageManager mPackageManager;

    private final static int AUTOGROUP_AT_COUNT = 7;
    private final static int AUTOGROUP_SINGLETONS_AT_COUNT = 2;
    private GroupHelper mGroupHelper;
    private @Mock Icon mSmallIcon;

    @Parameters(name = "{0}")
    public static List<FlagsParameterization> getParams() {
        return FlagsParameterization.allCombinationsOf(
                android.app.Flags.FLAG_CHECK_AUTOGROUP_BEFORE_POST);
    }

    public GroupHelperTest(FlagsParameterization flags) {
        mSetFlagsRule.setFlagsParameterization(flags);
    }

    @Before
    public void setUp() {
        MockitoAnnotations.initMocks(this);

        mGroupHelper = new GroupHelper(getContext(), mPackageManager, AUTOGROUP_AT_COUNT,
                AUTOGROUP_SINGLETONS_AT_COUNT, mCallback);

        NotificationRecord r = mock(NotificationRecord.class);
        StatusBarNotification sbn = getSbn("package", 0, "0", UserHandle.SYSTEM);
        when(r.getNotification()).thenReturn(sbn.getNotification());
        when(r.getSbn()).thenReturn(sbn);
        when(mSmallIcon.sameAs(mSmallIcon)).thenReturn(true);
    }

    private StatusBarNotification getSbn(String pkg, int id, String tag,
            UserHandle user, String groupKey, Icon smallIcon, int iconColor) {
        Notification.Builder nb = new Notification.Builder(getContext(), TEST_CHANNEL_ID)
                .setContentTitle("A")
                .setWhen(1205)
                .setSmallIcon(smallIcon)
                .setColor(iconColor);
        if (groupKey != null) {
            nb.setGroup(groupKey);
        }
        return new StatusBarNotification(pkg, pkg, id, tag, 0, 0, nb.build(), user, null,
                System.currentTimeMillis());
    }

    private StatusBarNotification getSbn(String pkg, int id, String tag,
            UserHandle user, String groupKey) {
        return getSbn(pkg, id, tag, user, groupKey, mSmallIcon, Notification.COLOR_DEFAULT);
    }

    private StatusBarNotification getSbn(String pkg, int id, String tag,
            UserHandle user) {
        return getSbn(pkg, id, tag, user, null);
    }

    private NotificationRecord getNotificationRecord(String pkg, int id, String tag,
            UserHandle user) {
        return getNotificationRecord(pkg, id, tag, user, null, false);
    }

    private NotificationRecord getNotificationRecord(String pkg, int id, String tag,
            UserHandle user, String groupKey, boolean isSummary) {
        return getNotificationRecord(pkg, id, tag, user, groupKey, isSummary, IMPORTANCE_DEFAULT);
    }

    private NotificationRecord getNotificationRecord(String pkg, int id, String tag,
            UserHandle user, String groupKey, boolean isSummary, int importance) {
        return getNotificationRecord(pkg, id, tag, user, groupKey, isSummary,
                new NotificationChannel(TEST_CHANNEL_ID, TEST_CHANNEL_ID, importance));
    }

    private NotificationRecord getNotificationRecord(String pkg, int id, String tag,
            UserHandle user, String groupKey, boolean isSummary, NotificationChannel channel) {
        StatusBarNotification sbn = getSbn(pkg, id, tag, user, groupKey);
        if (isSummary) {
            sbn.getNotification().flags |= FLAG_GROUP_SUMMARY;
        }
        return new NotificationRecord(getContext(), sbn, channel);
    }

    private NotificationRecord getNotificationRecord(StatusBarNotification sbn) {
        return new NotificationRecord(getContext(), sbn,
            new NotificationChannel(TEST_CHANNEL_ID, TEST_CHANNEL_ID, IMPORTANCE_DEFAULT));
    }

    private NotificationAttributes getNotificationAttributes(int flags) {
        return new NotificationAttributes(flags, mSmallIcon, COLOR_DEFAULT, DEFAULT_VISIBILITY,
                DEFAULT_GROUP_ALERT, TEST_CHANNEL_ID);
    }

    private String getExpectedAutogroupKey(final NotificationRecord record) {
        if (android.service.notification.Flags.notificationForceGrouping()) {
            return GroupHelper.getFullAggregateGroupKey(record);
        } else {
            return AUTOGROUP_KEY;
        }
    }

    @Test
    public void testGetAutogroupSummaryFlags_noChildren() {
        ArrayMap<String, NotificationAttributes> children = new ArrayMap<>();

        assertEquals(BASE_FLAGS, GroupHelper.getAutogroupSummaryFlags(children));
    }

    @Test
    public void testGetAutogroupSummaryFlags_oneOngoing() {
        ArrayMap<String, NotificationAttributes> children = new ArrayMap<>();
        children.put("a", getNotificationAttributes(0));
        children.put("b", getNotificationAttributes(FLAG_ONGOING_EVENT));
        children.put("c", getNotificationAttributes(FLAG_BUBBLE));

        assertEquals(FLAG_ONGOING_EVENT | BASE_FLAGS,
                GroupHelper.getAutogroupSummaryFlags(children));
    }

    @Test
    public void testGetAutogroupSummaryFlags_oneOngoingNoClear() {
        ArrayMap<String, NotificationAttributes> children = new ArrayMap<>();
        children.put("a", getNotificationAttributes(0));
        children.put("b", getNotificationAttributes(FLAG_ONGOING_EVENT | FLAG_NO_CLEAR));
        children.put("c", getNotificationAttributes(FLAG_BUBBLE));

        assertEquals(FLAG_NO_CLEAR | FLAG_ONGOING_EVENT | BASE_FLAGS,
                GroupHelper.getAutogroupSummaryFlags(children));
    }

    @Test
    public void testGetAutogroupSummaryFlags_oneOngoingBubble() {
        ArrayMap<String, NotificationAttributes> children = new ArrayMap<>();
        children.put("a", getNotificationAttributes(0));
        children.put("b", getNotificationAttributes(FLAG_ONGOING_EVENT | FLAG_BUBBLE));
        children.put("c", getNotificationAttributes(FLAG_BUBBLE));

        assertEquals(FLAG_ONGOING_EVENT | BASE_FLAGS,
                GroupHelper.getAutogroupSummaryFlags(children));
    }

    @Test
    public void testGetAutogroupSummaryFlags_multipleOngoing() {
        ArrayMap<String, NotificationAttributes> children = new ArrayMap<>();
        children.put("a", getNotificationAttributes(0));
        children.put("b", getNotificationAttributes(FLAG_ONGOING_EVENT));
        children.put("c", getNotificationAttributes(FLAG_BUBBLE));
        children.put("d", getNotificationAttributes(FLAG_ONGOING_EVENT));

        assertEquals(FLAG_ONGOING_EVENT | BASE_FLAGS,
                GroupHelper.getAutogroupSummaryFlags(children));
    }

    @Test
    public void testGetAutogroupSummaryFlags_oneAutoCancel() {
        ArrayMap<String, NotificationAttributes> children = new ArrayMap<>();
        children.put("a", getNotificationAttributes(0));
        children.put("b", getNotificationAttributes(FLAG_AUTO_CANCEL));
        children.put("c", getNotificationAttributes(FLAG_BUBBLE));

        assertEquals(BASE_FLAGS,
                GroupHelper.getAutogroupSummaryFlags(children));
    }

    @Test
    public void testGetAutogroupSummaryFlags_allAutoCancel() {
        ArrayMap<String, NotificationAttributes> children = new ArrayMap<>();
        children.put("a", getNotificationAttributes(FLAG_AUTO_CANCEL));
        children.put("b", getNotificationAttributes(FLAG_AUTO_CANCEL | FLAG_CAN_COLORIZE));
        children.put("c", getNotificationAttributes(FLAG_AUTO_CANCEL));
        children.put("d", getNotificationAttributes(FLAG_AUTO_CANCEL | FLAG_FOREGROUND_SERVICE));

        assertEquals(FLAG_AUTO_CANCEL | BASE_FLAGS,
                GroupHelper.getAutogroupSummaryFlags(children));
    }

    @Test
    public void testGetAutogroupSummaryFlags_allAutoCancelOneOngoing() {
        ArrayMap<String, NotificationAttributes> children = new ArrayMap<>();
        children.put("a", getNotificationAttributes(FLAG_AUTO_CANCEL));
        children.put("b", getNotificationAttributes(FLAG_AUTO_CANCEL | FLAG_CAN_COLORIZE));
        children.put("c", getNotificationAttributes(FLAG_AUTO_CANCEL));
        children.put("d", getNotificationAttributes(
                FLAG_AUTO_CANCEL | FLAG_FOREGROUND_SERVICE | FLAG_ONGOING_EVENT));

        assertEquals(FLAG_AUTO_CANCEL| FLAG_ONGOING_EVENT | BASE_FLAGS,
                GroupHelper.getAutogroupSummaryFlags(children));
    }

    @Test
    public void testNoGroup_postingUnderLimit() {
        final String pkg = "package";
        for (int i = 0; i < AUTOGROUP_AT_COUNT - 1; i++) {
            mGroupHelper.onNotificationPosted(
                getNotificationRecord(pkg, i, String.valueOf(i), UserHandle.SYSTEM),
                false);
        }
        verifyNoMoreInteractions(mCallback);
    }

    @Test
    public void testNoGroup_multiPackage() {
        final String pkg = "package";
        final String pkg2 = "package2";
        for (int i = 0; i < AUTOGROUP_AT_COUNT - 1; i++) {
            mGroupHelper.onNotificationPosted(
                getNotificationRecord(pkg, i, String.valueOf(i), UserHandle.SYSTEM),
                false);
        }
        mGroupHelper.onNotificationPosted(
            getNotificationRecord(pkg2, AUTOGROUP_AT_COUNT, "four", UserHandle.SYSTEM), false);
        verifyNoMoreInteractions(mCallback);
    }

    @Test
    public void testNoGroup_multiUser() {
        final String pkg = "package";
        for (int i = 0; i < AUTOGROUP_AT_COUNT - 1; i++) {
            mGroupHelper.onNotificationPosted(
                getNotificationRecord(pkg, i, String.valueOf(i), UserHandle.SYSTEM),
                false);
        }
        mGroupHelper.onNotificationPosted(
            getNotificationRecord(pkg, AUTOGROUP_AT_COUNT, "four", UserHandle.of(7)), false);
        verifyNoMoreInteractions(mCallback);
    }

    @Test
    public void testNoGroup_someAreGrouped() {
        final String pkg = "package";
        for (int i = 0; i < AUTOGROUP_AT_COUNT - 1; i++) {
            mGroupHelper.onNotificationPosted(
                getNotificationRecord(pkg, i, String.valueOf(i), UserHandle.SYSTEM), false);
        }
        mGroupHelper.onNotificationPosted(
            getNotificationRecord(pkg, AUTOGROUP_AT_COUNT, "four", UserHandle.SYSTEM, "a", false),
            false);
        verifyNoMoreInteractions(mCallback);
    }

    @Test
    @DisableFlags(android.app.Flags.FLAG_CHECK_AUTOGROUP_BEFORE_POST)
    public void testAddSummary_alwaysAutogroup() {
        final String pkg = "package";
        final String autogroupKey = getExpectedAutogroupKey(
                getNotificationRecord(pkg, 0, String.valueOf(0), UserHandle.SYSTEM));
        for (int i = 0; i < AUTOGROUP_AT_COUNT; i++) {
            mGroupHelper.onNotificationPosted(
                getNotificationRecord(pkg, i, String.valueOf(i), UserHandle.SYSTEM), false);
        }
        verify(mCallback, times(1)).addAutoGroupSummary(
                anyInt(), eq(pkg), anyString(), eq(autogroupKey),
                anyInt(), eq(getNotificationAttributes(BASE_FLAGS)));
        verify(mCallback, times(AUTOGROUP_AT_COUNT)).addAutoGroup(anyString(), eq(autogroupKey),
                anyBoolean());
        verify(mCallback, never()).removeAutoGroup(anyString());
        verify(mCallback, never()).removeAutoGroupSummary(anyInt(), anyString(), anyString());
        verify(mCallback, never()).updateAutogroupSummary(anyInt(), anyString(), anyString(),
                any());
    }

    @Test
    @EnableFlags(android.app.Flags.FLAG_CHECK_AUTOGROUP_BEFORE_POST)
    public void testAddSummary() {
        final String pkg = "package";
        final String autogroupKey = getExpectedAutogroupKey(
                getNotificationRecord(pkg, 0, String.valueOf(0), UserHandle.SYSTEM));
        for (int i = 0; i < AUTOGROUP_AT_COUNT - 1; i++) {
            assertThat(mGroupHelper.onNotificationPosted(
                    getNotificationRecord(pkg, i, String.valueOf(i), UserHandle.SYSTEM),
                    false)).isFalse();
        }
        assertThat(mGroupHelper.onNotificationPosted(
            getNotificationRecord(pkg, AUTOGROUP_AT_COUNT - 1, String.valueOf(AUTOGROUP_AT_COUNT - 1),
                        UserHandle.SYSTEM), false)).isTrue();
        verify(mCallback, times(1)).addAutoGroupSummary(anyInt(), eq(pkg), anyString(),
                eq(autogroupKey), anyInt(), eq(getNotificationAttributes(BASE_FLAGS)));
        verify(mCallback, times(AUTOGROUP_AT_COUNT - 1)).addAutoGroup(anyString(), anyString(),
                anyBoolean());
        verify(mCallback, never()).removeAutoGroup(anyString());
        verify(mCallback, never()).removeAutoGroupSummary(anyInt(), anyString(), anyString());
        verify(mCallback, never()).updateAutogroupSummary(anyInt(), anyString(), anyString(),
                any());
    }

    @Test
    @DisableFlags(android.app.Flags.FLAG_CHECK_AUTOGROUP_BEFORE_POST)
    public void testAddSummary_oneChildOngoing_summaryOngoing_alwaysAutogroup() {
        final String pkg = "package";
        final String autogroupKey = getExpectedAutogroupKey(
                getNotificationRecord(pkg, 0, String.valueOf(0), UserHandle.SYSTEM));
        for (int i = 0; i < AUTOGROUP_AT_COUNT; i++) {
            NotificationRecord r = getNotificationRecord(pkg, i, String.valueOf(i),
                    UserHandle.SYSTEM);
            if (i == 0) {
                r.getNotification().flags |= FLAG_ONGOING_EVENT;
            }
            mGroupHelper.onNotificationPosted(r, false);
        }
        verify(mCallback, times(1)).addAutoGroupSummary(anyInt(), eq(pkg), anyString(),
                eq(autogroupKey), anyInt(),
                eq(getNotificationAttributes(BASE_FLAGS | FLAG_ONGOING_EVENT)));
        verify(mCallback, times(AUTOGROUP_AT_COUNT)).addAutoGroup(anyString(), anyString(),
                anyBoolean());
        verify(mCallback, never()).removeAutoGroup(anyString());
        verify(mCallback, never()).removeAutoGroupSummary(anyInt(), anyString(), anyString());
        verify(mCallback, never()).updateAutogroupSummary(anyInt(), anyString(), anyString(),
                any());
    }

    @Test
    @EnableFlags(android.app.Flags.FLAG_CHECK_AUTOGROUP_BEFORE_POST)
    public void testAddSummary_oneChildOngoing_summaryOngoing() {
        final String pkg = "package";
        final String autogroupKey = getExpectedAutogroupKey(
                getNotificationRecord(pkg, 0, String.valueOf(0), UserHandle.SYSTEM));
        for (int i = 0; i < AUTOGROUP_AT_COUNT; i++) {
            NotificationRecord r = getNotificationRecord(pkg, i, String.valueOf(i),
                    UserHandle.SYSTEM);
            if (i == 0) {
                r.getNotification().flags |= FLAG_ONGOING_EVENT;
            }
            mGroupHelper.onNotificationPosted(r, false);
        }
        verify(mCallback, times(1)).addAutoGroupSummary(anyInt(), eq(pkg), anyString(),
                eq(autogroupKey), anyInt(),
                eq(getNotificationAttributes(BASE_FLAGS | FLAG_ONGOING_EVENT)));
        verify(mCallback, times(AUTOGROUP_AT_COUNT - 1)).addAutoGroup(anyString(), anyString(),
                anyBoolean());
        verify(mCallback, never()).removeAutoGroup(anyString());
        verify(mCallback, never()).removeAutoGroupSummary(anyInt(), anyString(), anyString());
        verify(mCallback, never()).updateAutogroupSummary(anyInt(), anyString(), anyString(),
                any());
    }

    @Test
    @DisableFlags(android.app.Flags.FLAG_CHECK_AUTOGROUP_BEFORE_POST)
    public void testAddSummary_oneChildAutoCancel_summaryNotAutoCancel_alwaysAutogroup() {
        final String pkg = "package";
        final String autogroupKey = getExpectedAutogroupKey(
            getNotificationRecord(pkg, 0, String.valueOf(0), UserHandle.SYSTEM));
        for (int i = 0; i < AUTOGROUP_AT_COUNT; i++) {
            NotificationRecord r = getNotificationRecord(pkg, i, String.valueOf(i),
                    UserHandle.SYSTEM);
            if (i == 0) {
                r.getNotification().flags |= FLAG_AUTO_CANCEL;
            }
            mGroupHelper.onNotificationPosted(r, false);
        }
        verify(mCallback, times(1)).addAutoGroupSummary(anyInt(), eq(pkg), anyString(),
                eq(autogroupKey), anyInt(), eq(getNotificationAttributes(BASE_FLAGS)));
        verify(mCallback, times(AUTOGROUP_AT_COUNT)).addAutoGroup(anyString(), anyString(),
                anyBoolean());
        verify(mCallback, never()).removeAutoGroup(anyString());
        verify(mCallback, never()).removeAutoGroupSummary(anyInt(), anyString(), anyString());
        verify(mCallback, never()).updateAutogroupSummary(anyInt(), anyString(), anyString(),
                any());
    }

    @Test
    @EnableFlags(android.app.Flags.FLAG_CHECK_AUTOGROUP_BEFORE_POST)
    public void testAddSummary_oneChildAutoCancel_summaryNotAutoCancel() {
        final String pkg = "package";
        final String autogroupKey = getExpectedAutogroupKey(
                getNotificationRecord(pkg, 0, String.valueOf(0), UserHandle.SYSTEM));
        for (int i = 0; i < AUTOGROUP_AT_COUNT; i++) {
            NotificationRecord r = getNotificationRecord(pkg, i, String.valueOf(i),
                    UserHandle.SYSTEM);
            if (i == 0) {
                r.getNotification().flags |= FLAG_AUTO_CANCEL;
            }
            mGroupHelper.onNotificationPosted(r, false);
        }
        verify(mCallback, times(1)).addAutoGroupSummary(anyInt(), eq(pkg), anyString(),
                eq(autogroupKey), anyInt(), eq(getNotificationAttributes(BASE_FLAGS)));
        verify(mCallback, times(AUTOGROUP_AT_COUNT - 1)).addAutoGroup(anyString(),
                eq(autogroupKey), anyBoolean());
        verify(mCallback, never()).removeAutoGroup(anyString());
        verify(mCallback, never()).removeAutoGroupSummary(anyInt(), anyString(), anyString());
        verify(mCallback, never()).updateAutogroupSummary(anyInt(), anyString(), anyString(),
                any());
    }

    @Test
    @DisableFlags(android.app.Flags.FLAG_CHECK_AUTOGROUP_BEFORE_POST)
    public void testAddSummary_allChildrenAutoCancel_summaryAutoCancel_alwaysAutogroup() {
        final String pkg = "package";
        final String autogroupKey = getExpectedAutogroupKey(
                getNotificationRecord(pkg, 0, String.valueOf(0), UserHandle.SYSTEM));
        for (int i = 0; i < AUTOGROUP_AT_COUNT; i++) {
            NotificationRecord r = getNotificationRecord(pkg, i, String.valueOf(i),
                    UserHandle.SYSTEM);
            r.getNotification().flags |= FLAG_AUTO_CANCEL;
            mGroupHelper.onNotificationPosted(r, false);
        }
        verify(mCallback, times(1)).addAutoGroupSummary(anyInt(), eq(pkg), anyString(),
                eq(autogroupKey), anyInt(),
                eq(getNotificationAttributes(BASE_FLAGS | FLAG_AUTO_CANCEL)));
        verify(mCallback, times(AUTOGROUP_AT_COUNT)).addAutoGroup(anyString(), eq(autogroupKey),
                anyBoolean());
        verify(mCallback, never()).removeAutoGroup(anyString());
        verify(mCallback, never()).removeAutoGroupSummary(anyInt(), anyString(), anyString());
        verify(mCallback, never()).updateAutogroupSummary(anyInt(), anyString(), anyString(),
                any());
    }

    @Test
    @EnableFlags(android.app.Flags.FLAG_CHECK_AUTOGROUP_BEFORE_POST)
    public void testAddSummary_allChildrenAutoCancel_summaryAutoCancel() {
        final String pkg = "package";
        final String autogroupKey = getExpectedAutogroupKey(
                getNotificationRecord(pkg, 0, String.valueOf(0), UserHandle.SYSTEM));
        for (int i = 0; i < AUTOGROUP_AT_COUNT; i++) {
            NotificationRecord r = getNotificationRecord(pkg, i, String.valueOf(i),
                    UserHandle.SYSTEM);
            r.getNotification().flags |= FLAG_AUTO_CANCEL;
            mGroupHelper.onNotificationPosted(r, false);
        }
        verify(mCallback, times(1)).addAutoGroupSummary(anyInt(), eq(pkg), anyString(),
                eq(autogroupKey), anyInt(),
                eq(getNotificationAttributes(BASE_FLAGS | FLAG_AUTO_CANCEL)));
        verify(mCallback, times(AUTOGROUP_AT_COUNT - 1)).addAutoGroup(anyString(),
                eq(autogroupKey), anyBoolean());
        verify(mCallback, never()).removeAutoGroup(anyString());
        verify(mCallback, never()).removeAutoGroupSummary(anyInt(), anyString(), anyString());
        verify(mCallback, never()).updateAutogroupSummary(anyInt(), anyString(), anyString(),
                any());
    }

    @Test
    @DisableFlags(android.app.Flags.FLAG_CHECK_AUTOGROUP_BEFORE_POST)
    public void testAddSummary_summaryAutoCancelNoClear_alwaysAutogroup() {
        final String pkg = "package";
        final String autogroupKey = getExpectedAutogroupKey(
                getNotificationRecord(pkg, 0, String.valueOf(0), UserHandle.SYSTEM));
        for (int i = 0; i < AUTOGROUP_AT_COUNT; i++) {
            NotificationRecord r = getNotificationRecord(pkg, i, String.valueOf(i),
                    UserHandle.SYSTEM);
            r.getNotification().flags |= FLAG_AUTO_CANCEL;
            if (i == 0) {
                r.getNotification().flags |= FLAG_NO_CLEAR;
            }
            mGroupHelper.onNotificationPosted(r, false);
        }
        verify(mCallback, times(1)).addAutoGroupSummary(anyInt(), eq(pkg), anyString(),
                eq(autogroupKey), anyInt(),
                eq(getNotificationAttributes(BASE_FLAGS | FLAG_AUTO_CANCEL | FLAG_NO_CLEAR)));
        verify(mCallback, times(AUTOGROUP_AT_COUNT)).addAutoGroup(anyString(), eq(autogroupKey),
                anyBoolean());
        verify(mCallback, never()).removeAutoGroup(anyString());
        verify(mCallback, never()).removeAutoGroupSummary(anyInt(), anyString(), anyString());
        verify(mCallback, never()).updateAutogroupSummary(anyInt(), anyString(), anyString(),
                any());
    }

    @Test
    @EnableFlags(android.app.Flags.FLAG_CHECK_AUTOGROUP_BEFORE_POST)
    public void testAddSummary_summaryAutoCancelNoClear() {
        final String pkg = "package";
        final String autogroupKey = getExpectedAutogroupKey(
                getNotificationRecord(pkg, 0, String.valueOf(0), UserHandle.SYSTEM));
        for (int i = 0; i < AUTOGROUP_AT_COUNT; i++) {
            NotificationRecord r = getNotificationRecord(pkg, i, String.valueOf(i),
                    UserHandle.SYSTEM);
            r.getNotification().flags |= FLAG_AUTO_CANCEL;
            if (i == 0) {
                r.getNotification().flags |= FLAG_NO_CLEAR;
            }
            mGroupHelper.onNotificationPosted(r, false);
        }
        verify(mCallback, times(1)).addAutoGroupSummary(anyInt(), eq(pkg), anyString(),
                eq(autogroupKey), anyInt(),
                eq(getNotificationAttributes(BASE_FLAGS | FLAG_AUTO_CANCEL | FLAG_NO_CLEAR)));
        verify(mCallback, times(AUTOGROUP_AT_COUNT - 1)).addAutoGroup(anyString(),
                eq(autogroupKey), anyBoolean());
        verify(mCallback, never()).removeAutoGroup(anyString());
        verify(mCallback, never()).removeAutoGroupSummary(anyInt(), anyString(), anyString());
        verify(mCallback, never()).updateAutogroupSummary(anyInt(), anyString(), anyString(),
                any());
    }

    @Test
    public void testAutoGrouped_allOngoing_updateChildNotOngoing() {
        final String pkg = "package";

        // Post AUTOGROUP_AT_COUNT ongoing notifications
        ArrayList<NotificationRecord> notifications = new ArrayList<>();
        for (int i = 0; i < AUTOGROUP_AT_COUNT; i++) {
            NotificationRecord r = getNotificationRecord(pkg, i, String.valueOf(i),
                    UserHandle.SYSTEM);
            r.getNotification().flags |= FLAG_ONGOING_EVENT;
            notifications.add(r);
        }

        for (NotificationRecord r: notifications) {
            mGroupHelper.onNotificationPosted(r, false);
        }

        // One notification is no longer ongoing
        notifications.get(0).getNotification().flags &= ~FLAG_ONGOING_EVENT;
        mGroupHelper.onNotificationPosted(notifications.get(0), true);

        // Summary should keep FLAG_ONGOING_EVENT if any child has it
        verify(mCallback).updateAutogroupSummary(anyInt(), anyString(), anyString(),
                eq(getNotificationAttributes(BASE_FLAGS | FLAG_ONGOING_EVENT)));
    }

    @Test
    @EnableFlags(FLAG_NOTIFICATION_FORCE_GROUPING)
    public void testAutoGrouped_singleOngoing_removeOngoingChild() {
        final String pkg = "package";

        // Post AUTOGROUP_AT_COUNT ongoing notifications
        ArrayList<NotificationRecord> notifications = new ArrayList<>();
        for (int i = 0; i < AUTOGROUP_AT_COUNT; i++) {
            NotificationRecord r = getNotificationRecord(pkg, i, String.valueOf(i),
                    UserHandle.SYSTEM);
            if (i == 0) {
                r.getNotification().flags |= FLAG_ONGOING_EVENT;
            }
            notifications.add(r);
        }

        for (NotificationRecord r: notifications) {
            mGroupHelper.onNotificationPosted(r, false);
        }

        // remove ongoing
        mGroupHelper.onNotificationRemoved(notifications.get(0), new ArrayList<>(), false);

        // Summary is no longer ongoing
        verify(mCallback).updateAutogroupSummary(anyInt(), anyString(), anyString(),
                eq(getNotificationAttributes(BASE_FLAGS)));
    }

    @Test
    public void testAutoGrouped_noOngoing_updateOngoingChild() {
        final String pkg = "package";

        // Post AUTOGROUP_AT_COUNT ongoing notifications
        ArrayList<NotificationRecord> notifications = new ArrayList<>();
        for (int i = 0; i < AUTOGROUP_AT_COUNT; i++) {
            NotificationRecord r = getNotificationRecord(pkg, i, String.valueOf(i),
                    UserHandle.SYSTEM);
            notifications.add(r);
        }

        for (NotificationRecord r: notifications) {
            mGroupHelper.onNotificationPosted(r, false);
        }

        // update to ongoing
        notifications.get(0).getNotification().flags |= FLAG_ONGOING_EVENT;
        mGroupHelper.onNotificationPosted(notifications.get(0), true);

        // Summary is now ongoing
        verify(mCallback).updateAutogroupSummary(anyInt(), anyString(), anyString(),
                eq(getNotificationAttributes(BASE_FLAGS | FLAG_ONGOING_EVENT)));
    }

    @Test
    public void testAutoGrouped_noOngoing_addOngoingChild() {
        final String pkg = "package";

        // Post AUTOGROUP_AT_COUNT ongoing notifications
        ArrayList<NotificationRecord> notifications = new ArrayList<>();
        for (int i = 0; i < AUTOGROUP_AT_COUNT; i++) {
            NotificationRecord r = getNotificationRecord(pkg, i, String.valueOf(i),
                UserHandle.SYSTEM);
            notifications.add(r);
        }

        for (NotificationRecord r: notifications) {
            mGroupHelper.onNotificationPosted(r, false);
        }

        // add ongoing
        NotificationRecord r = getNotificationRecord(pkg, AUTOGROUP_AT_COUNT + 1, null,
                UserHandle.SYSTEM);
        r.getNotification().flags |= FLAG_ONGOING_EVENT;
        mGroupHelper.onNotificationPosted(r, true);

        // Summary is now ongoing
        verify(mCallback).updateAutogroupSummary(anyInt(), anyString(), anyString(),
                eq(getNotificationAttributes(BASE_FLAGS | FLAG_ONGOING_EVENT)));
    }

    @Test
    public void testAutoGrouped_singleOngoing_appGroupOngoingChild() {
        final String pkg = "package";

        // Post AUTOGROUP_AT_COUNT ongoing notifications
        ArrayList<NotificationRecord> notifications = new ArrayList<>();
        for (int i = 0; i < AUTOGROUP_AT_COUNT; i++) {
            NotificationRecord r = getNotificationRecord(pkg, i, String.valueOf(i),
                UserHandle.SYSTEM);
            if (i == 0) {
                r.getNotification().flags |= FLAG_ONGOING_EVENT;
            }
            notifications.add(r);
        }

        for (NotificationRecord r: notifications) {
            mGroupHelper.onNotificationPosted(r, false);
        }

        // app group the ongoing child
        NotificationRecord r = getNotificationRecord(pkg, 0, "0", UserHandle.SYSTEM,
                "app group now", false);
        mGroupHelper.onNotificationPosted(r, true);

        // Summary is no longer ongoing
        verify(mCallback).updateAutogroupSummary(anyInt(), anyString(), anyString(),
                eq(getNotificationAttributes(BASE_FLAGS)));
    }

    @Test
    @DisableFlags(FLAG_NOTIFICATION_FORCE_GROUPING)
    public void testAutoGrouped_singleOngoing_removeNonOngoingChild() {
        final String pkg = "package";

        // Post AUTOGROUP_AT_COUNT ongoing notifications
        ArrayList<NotificationRecord> notifications = new ArrayList<>();
        for (int i = 0; i < AUTOGROUP_AT_COUNT; i++) {
            NotificationRecord r = getNotificationRecord(pkg, i, String.valueOf(i),
                    UserHandle.SYSTEM);
            if (i == 0) {
                r.getNotification().flags |= FLAG_ONGOING_EVENT;
            }
            notifications.add(r);
        }

        for (NotificationRecord r: notifications) {
            mGroupHelper.onNotificationPosted(r, false);
        }

        // remove ongoing
        mGroupHelper.onNotificationRemoved(notifications.get(1));

        // Summary is still ongoing
        verify(mCallback, never()).updateAutogroupSummary(anyInt(), anyString(), anyString(),
                any());
    }

    @Test
    @EnableFlags(FLAG_NOTIFICATION_FORCE_GROUPING)
    public void testAutoGrouped_singleOngoing_removeNonOngoingChild_forceGrouping() {
        final String pkg = "package";

        // Post AUTOGROUP_AT_COUNT ongoing notifications
        ArrayList<NotificationRecord> notifications = new ArrayList<>();
        for (int i = 0; i < AUTOGROUP_AT_COUNT; i++) {
            NotificationRecord r = getNotificationRecord(pkg, i, String.valueOf(i),
                UserHandle.SYSTEM);
            if (i == 0) {
                r.getNotification().flags |= FLAG_ONGOING_EVENT;
            }
            notifications.add(r);
        }

        for (NotificationRecord r: notifications) {
            mGroupHelper.onNotificationPosted(r, false);
        }

        // remove ongoing
        mGroupHelper.onNotificationRemoved(notifications.get(1), new ArrayList<>(), false);

        // Summary is still ongoing
        verify(mCallback, times(1)).updateAutogroupSummary(anyInt(), anyString(), anyString(),
                any());
    }

    @Test
    public void testAutoGrouped_allAutoCancel_updateChildNotAutoCancel() {
        final String pkg = "package";

        // Post AUTOGROUP_AT_COUNT ongoing notifications
        ArrayList<NotificationRecord> notifications = new ArrayList<>();
        for (int i = 0; i < AUTOGROUP_AT_COUNT; i++) {
            NotificationRecord r = getNotificationRecord(pkg, i, String.valueOf(i),
                    UserHandle.SYSTEM);
            r.getNotification().flags |= FLAG_AUTO_CANCEL;
            notifications.add(r);
        }

        for (NotificationRecord r: notifications) {
            mGroupHelper.onNotificationPosted(r, false);
        }

        // One notification is no longer autocancelable
        notifications.get(0).getNotification().flags &= ~FLAG_AUTO_CANCEL;
        mGroupHelper.onNotificationPosted(notifications.get(0), true);

        // Summary should no longer be autocancelable
        verify(mCallback).updateAutogroupSummary(anyInt(), anyString(), anyString(),
                eq(getNotificationAttributes(BASE_FLAGS)));
    }

    @Test
    public void testAutoGrouped_almostAllAutoCancel_updateChildAutoCancel() {
        final String pkg = "package";

        // Post AUTOGROUP_AT_COUNT ongoing notifications
        ArrayList<NotificationRecord> notifications = new ArrayList<>();
        for (int i = 0; i < AUTOGROUP_AT_COUNT; i++) {
            NotificationRecord r = getNotificationRecord(pkg, i, String.valueOf(i),
                    UserHandle.SYSTEM);
            if (i != 0) {
                r.getNotification().flags |= FLAG_AUTO_CANCEL;
            }
            notifications.add(r);
        }

        for (NotificationRecord r: notifications) {
            mGroupHelper.onNotificationPosted(r, false);
        }

        // Missing notification is now autocancelable
        notifications.get(0).getNotification().flags |= FLAG_AUTO_CANCEL;
        mGroupHelper.onNotificationPosted(notifications.get(0), true);

        // Summary should now autocancelable
        verify(mCallback).updateAutogroupSummary(anyInt(), anyString(), anyString(),
                eq(getNotificationAttributes(BASE_FLAGS | FLAG_AUTO_CANCEL)));
    }

    @Test
    @DisableFlags(FLAG_NOTIFICATION_FORCE_GROUPING)
    public void testAutoGrouped_allAutoCancel_updateChildAppGrouped() {
        final String pkg = "package";

        // Post AUTOGROUP_AT_COUNT ongoing notifications
        ArrayList<NotificationRecord> notifications = new ArrayList<>();
        for (int i = 0; i < AUTOGROUP_AT_COUNT; i++) {
            NotificationRecord r = getNotificationRecord(pkg, i, String.valueOf(i),
                    UserHandle.SYSTEM);
            r.getNotification().flags |= FLAG_AUTO_CANCEL;
            notifications.add(r);
        }

        for (NotificationRecord r: notifications) {
            mGroupHelper.onNotificationPosted(r, false);
        }

        // One notification is now grouped by app
        NotificationRecord r = getNotificationRecord(pkg, 0, "0", UserHandle.SYSTEM,
                "app group now", false);
        mGroupHelper.onNotificationPosted(r, true);

        // Summary should be still be autocancelable
        verify(mCallback, never()).updateAutogroupSummary(anyInt(), anyString(), anyString(),
                any());
    }

    @Test
    @EnableFlags(FLAG_NOTIFICATION_FORCE_GROUPING)
    public void testAutoGrouped_allAutoCancel_updateChildAppGrouped_forceGrouping() {
        final String pkg = "package";

        // Post AUTOGROUP_AT_COUNT ongoing notifications
        ArrayList<NotificationRecord> notifications = new ArrayList<>();
        for (int i = 0; i < AUTOGROUP_AT_COUNT; i++) {
            NotificationRecord r = getNotificationRecord(pkg, i, String.valueOf(i),
                UserHandle.SYSTEM);
            r.getNotification().flags |= FLAG_AUTO_CANCEL;
            notifications.add(r);
        }

        for (NotificationRecord r: notifications) {
            mGroupHelper.onNotificationPosted(r, false);
        }

        // One notification is now grouped by app
        NotificationRecord r = getNotificationRecord(pkg, 0, "0", UserHandle.SYSTEM,
            "app group now", false);
        mGroupHelper.onNotificationPosted(r, true);

        // Summary should be still be autocancelable
        verify(mCallback, times(1)).updateAutogroupSummary(anyInt(), anyString(), anyString(),
            any());
    }

    @Test
    @DisableFlags(FLAG_NOTIFICATION_FORCE_GROUPING)
    public void testAutoGrouped_allAutoCancel_removeChild() {
        final String pkg = "package";

        // Post AUTOGROUP_AT_COUNT ongoing notifications
        ArrayList<NotificationRecord> notifications = new ArrayList<>();
        for (int i = 0; i < AUTOGROUP_AT_COUNT; i++) {
            NotificationRecord r = getNotificationRecord(pkg, i, String.valueOf(i),
                    UserHandle.SYSTEM);
            r.getNotification().flags |= FLAG_AUTO_CANCEL;
            notifications.add(r);
        }

        for (NotificationRecord r: notifications) {
            mGroupHelper.onNotificationPosted(r, false);
        }

        mGroupHelper.onNotificationRemoved(notifications.get(0));

        // Summary should still be autocancelable
        verify(mCallback, never()).updateAutogroupSummary(anyInt(), anyString(), anyString(),
                any());
    }

    @Test
    @EnableFlags(FLAG_NOTIFICATION_FORCE_GROUPING)
    public void testAutoGrouped_allAutoCancel_removeChild_forceGrouping() {
        final String pkg = "package";

        // Post AUTOGROUP_AT_COUNT ongoing notifications
        ArrayList<NotificationRecord> notifications = new ArrayList<>();
        for (int i = 0; i < AUTOGROUP_AT_COUNT; i++) {
            NotificationRecord r = getNotificationRecord(pkg, i, String.valueOf(i),
                UserHandle.SYSTEM);
            r.getNotification().flags |= FLAG_AUTO_CANCEL;
            notifications.add(r);
        }

        for (NotificationRecord r: notifications) {
            mGroupHelper.onNotificationPosted(r, false);
        }

        mGroupHelper.onNotificationRemoved(notifications.get(0), new ArrayList<>(), false);

        // Summary should still be autocancelable
        verify(mCallback, times(1)).updateAutogroupSummary(anyInt(), anyString(), anyString(),
            any());
    }

    @Test
    @EnableFlags(FLAG_NOTIFICATION_FORCE_GROUPING)
    @DisableFlags(android.app.Flags.FLAG_CHECK_AUTOGROUP_BEFORE_POST)
    public void testDropToZeroRemoveGroup_disableFlag() {
        final String pkg = "package";
        ArrayList<NotificationRecord> posted = new ArrayList<>();
        for (int i = 0; i < AUTOGROUP_AT_COUNT; i++) {
            NotificationRecord r = getNotificationRecord(pkg, i, String.valueOf(i),
                    UserHandle.SYSTEM);
            posted.add(r);
            mGroupHelper.onNotificationPosted(r, false);
        }
        verify(mCallback, times(1)).addAutoGroupSummary(anyInt(), eq(pkg), anyString(), anyString(),
                anyInt(), eq(getNotificationAttributes(BASE_FLAGS)));
        verify(mCallback, times(AUTOGROUP_AT_COUNT)).addAutoGroup(anyString(), anyString(),
                anyBoolean());
        verify(mCallback, never()).removeAutoGroup(anyString());
        verify(mCallback, never()).removeAutoGroupSummary(anyInt(), anyString(), anyString());
        Mockito.reset(mCallback);

        for (int i = 0; i < AUTOGROUP_AT_COUNT - 1; i++) {
            mGroupHelper.onNotificationRemoved(posted.remove(0), new ArrayList<>(), false);
        }
        verify(mCallback, never()).removeAutoGroup(anyString());
        verify(mCallback, never()).removeAutoGroupSummary(anyInt(), anyString(), anyString());
        Mockito.reset(mCallback);

        mGroupHelper.onNotificationRemoved(posted.remove(0), new ArrayList<>(), false);
        verify(mCallback, never()).removeAutoGroup(anyString());
        verify(mCallback, times(1)).removeAutoGroupSummary(anyInt(), anyString(), anyString());
    }

    @Test
    @EnableFlags({FLAG_NOTIFICATION_FORCE_GROUPING,
            android.app.Flags.FLAG_CHECK_AUTOGROUP_BEFORE_POST})
    public void testDropToZeroRemoveGroup() {
        final String pkg = "package";
        ArrayList<NotificationRecord> posted = new ArrayList<>();
        for (int i = 0; i < AUTOGROUP_AT_COUNT; i++) {
            NotificationRecord r = getNotificationRecord(pkg, i, String.valueOf(i),
                    UserHandle.SYSTEM);
            posted.add(r);
            mGroupHelper.onNotificationPosted(r, false);
        }
        verify(mCallback, times(1)).addAutoGroupSummary(anyInt(), eq(pkg), anyString(), anyString(),
                anyInt(), eq(getNotificationAttributes(BASE_FLAGS)));
        verify(mCallback, times(AUTOGROUP_AT_COUNT - 1)).addAutoGroup(anyString(), anyString(),
                anyBoolean());
        verify(mCallback, never()).removeAutoGroup(anyString());
        verify(mCallback, never()).removeAutoGroupSummary(anyInt(), anyString(), anyString());
        Mockito.reset(mCallback);

        for (int i = 0; i < AUTOGROUP_AT_COUNT - 1; i++) {
            mGroupHelper.onNotificationRemoved(posted.remove(0), new ArrayList<>(), false);
        }
        verify(mCallback, never()).removeAutoGroup(anyString());
        verify(mCallback, never()).removeAutoGroupSummary(anyInt(), anyString(), anyString());
        Mockito.reset(mCallback);

        mGroupHelper.onNotificationRemoved(posted.remove(0), new ArrayList<>(), false);
        verify(mCallback, never()).removeAutoGroup(anyString());
        verify(mCallback, times(1)).removeAutoGroupSummary(anyInt(), anyString(), anyString());
    }

    @Test
    @DisableFlags(android.app.Flags.FLAG_CHECK_AUTOGROUP_BEFORE_POST)
    public void testAppStartsGrouping_disableFlag() {
        final String pkg = "package";
        ArrayList<NotificationRecord> posted = new ArrayList<>();
        for (int i = 0; i < AUTOGROUP_AT_COUNT; i++) {
            NotificationRecord r = getNotificationRecord(pkg, i, String.valueOf(i),
                    UserHandle.SYSTEM);
            posted.add(r);
            mGroupHelper.onNotificationPosted(r, false);
        }
        verify(mCallback, times(1)).addAutoGroupSummary(anyInt(), eq(pkg), anyString(),
                anyString(), anyInt(), eq(getNotificationAttributes(BASE_FLAGS)));
        verify(mCallback, times(AUTOGROUP_AT_COUNT)).addAutoGroup(anyString(), anyString(),
                anyBoolean());
        verify(mCallback, never()).removeAutoGroup(anyString());
        verify(mCallback, never()).removeAutoGroupSummary(anyInt(), anyString(), anyString());
        Mockito.reset(mCallback);

        for (int i = 0; i < AUTOGROUP_AT_COUNT; i++) {
            final NotificationRecord r = getNotificationRecord(pkg, i, String.valueOf(i),
                    UserHandle.SYSTEM, "app group", false);
            r.getSbn().setOverrideGroupKey("autogrouped");
            mGroupHelper.onNotificationPosted(r, true);
            verify(mCallback, times(1)).removeAutoGroup(r.getKey());
            if (i < AUTOGROUP_AT_COUNT - 1) {
                verify(mCallback, never()).removeAutoGroupSummary(anyInt(), anyString(),
                        anyString());
            }
        }
        verify(mCallback, times(1)).removeAutoGroupSummary(anyInt(), anyString(), anyString());
    }

    @Test
    @EnableFlags(android.app.Flags.FLAG_CHECK_AUTOGROUP_BEFORE_POST)
    public void testAppStartsGrouping() {
        final String pkg = "package";
        ArrayList<NotificationRecord> posted = new ArrayList<>();
        for (int i = 0; i < AUTOGROUP_AT_COUNT; i++) {
            NotificationRecord r = getNotificationRecord(pkg, i, String.valueOf(i),
                    UserHandle.SYSTEM);
            posted.add(r);
            mGroupHelper.onNotificationPosted(r, false);
        }
        verify(mCallback, times(1)).addAutoGroupSummary(anyInt(), eq(pkg), anyString(),
                anyString(), anyInt(), eq(getNotificationAttributes(BASE_FLAGS)));
        verify(mCallback, times(AUTOGROUP_AT_COUNT - 1)).addAutoGroup(anyString(), anyString(),
                anyBoolean());
        verify(mCallback, never()).removeAutoGroup(anyString());
        verify(mCallback, never()).removeAutoGroupSummary(anyInt(), anyString(), anyString());
        Mockito.reset(mCallback);

        for (int i = 0; i < AUTOGROUP_AT_COUNT; i++) {
            final NotificationRecord r = getNotificationRecord(pkg, i, String.valueOf(i),
                    UserHandle.SYSTEM, "app group", false);
            r.getSbn().setOverrideGroupKey("autogrouped");
            mGroupHelper.onNotificationPosted(r, true);
            verify(mCallback, times(1)).removeAutoGroup(r.getKey());
            if (i < AUTOGROUP_AT_COUNT - 1) {
                verify(mCallback, never()).removeAutoGroupSummary(anyInt(), anyString(),
                        anyString());
            }
        }
        verify(mCallback, times(1)).removeAutoGroupSummary(anyInt(), anyString(), anyString());
    }

    @Test
    @EnableFlags(FLAG_NOTIFICATION_FORCE_GROUPING)
    @DisableFlags(android.app.Flags.FLAG_CHECK_AUTOGROUP_BEFORE_POST)
    public void testNewNotificationsAddedToAutogroup_ifOriginalNotificationsCanceled_alwaysGroup() {
        final String pkg = "package";
        ArrayList<NotificationRecord> posted = new ArrayList<>();
        for (int i = 0; i < AUTOGROUP_AT_COUNT; i++) {
            NotificationRecord r = getNotificationRecord(pkg, i, String.valueOf(i),
                UserHandle.SYSTEM);
            posted.add(r);
            mGroupHelper.onNotificationPosted(r, false);
        }
        verify(mCallback, times(1)).addAutoGroupSummary(anyInt(), eq(pkg), anyString(),
                anyString(), anyInt(), eq(getNotificationAttributes(BASE_FLAGS)));
        verify(mCallback, times(AUTOGROUP_AT_COUNT)).addAutoGroup(anyString(), anyString(),
                anyBoolean());
        verify(mCallback, never()).removeAutoGroup(anyString());
        verify(mCallback, never()).removeAutoGroupSummary(anyInt(), anyString(), anyString());
        Mockito.reset(mCallback);

        for (int i = posted.size() - 2; i >= 0; i--) {
            mGroupHelper.onNotificationRemoved(posted.remove(i), new ArrayList<>(), false);
        }
        verify(mCallback, never()).removeAutoGroup(anyString());
        verify(mCallback, never()).removeAutoGroupSummary(anyInt(), anyString(), anyString());
        Mockito.reset(mCallback);

        // Add new notification; it should be autogrouped even though the total count is
        // < AUTOGROUP_AT_COUNT
        final NotificationRecord r = getNotificationRecord(pkg, 5, String.valueOf(5),
                UserHandle.SYSTEM);
        final String autogroupKey = getExpectedAutogroupKey(r);
        posted.add(r);
        assertThat(mGroupHelper.onNotificationPosted(r, true)).isFalse();
        verify(mCallback, times(1)).addAutoGroup(r.getKey(), autogroupKey, true);
        verify(mCallback, never()).removeAutoGroup(anyString());
        verify(mCallback, never()).removeAutoGroupSummary(anyInt(), anyString(), anyString());
        verify(mCallback).updateAutogroupSummary(anyInt(), anyString(), anyString(),
                eq(getNotificationAttributes(BASE_FLAGS)));
        verify(mCallback, never()).addAutoGroupSummary(anyInt(), anyString(), anyString(),
                anyString(), anyInt(), any());
    }

    @Test
    @EnableFlags({FLAG_NOTIFICATION_FORCE_GROUPING,
            android.app.Flags.FLAG_CHECK_AUTOGROUP_BEFORE_POST})
    public void testNewNotificationsAddedToAutogroup_ifOriginalNotificationsCanceled() {
        final String pkg = "package";
        ArrayList<NotificationRecord> posted = new ArrayList<>();
        for (int i = 0; i < AUTOGROUP_AT_COUNT; i++) {
            NotificationRecord r = getNotificationRecord(pkg, i, String.valueOf(i),
                UserHandle.SYSTEM);
            posted.add(r);
            mGroupHelper.onNotificationPosted(r, false);
        }

        verify(mCallback, times(1)).addAutoGroupSummary(anyInt(), eq(pkg), anyString(),
                anyString(), anyInt(), eq(getNotificationAttributes(BASE_FLAGS)));
        verify(mCallback, times(AUTOGROUP_AT_COUNT - 1)).addAutoGroup(anyString(), anyString(),
                anyBoolean());
        verify(mCallback, never()).removeAutoGroup(anyString());
        verify(mCallback, never()).removeAutoGroupSummary(anyInt(), anyString(), anyString());
        Mockito.reset(mCallback);

        for (int i = posted.size() - 2; i >= 0; i--) {
            mGroupHelper.onNotificationRemoved(posted.remove(i), new ArrayList<>(), false);
        }
        verify(mCallback, never()).removeAutoGroup(anyString());
        verify(mCallback, never()).removeAutoGroupSummary(anyInt(), anyString(), anyString());
        Mockito.reset(mCallback);

        // Add new notification; it should be autogrouped even though the total count is
        // < AUTOGROUP_AT_COUNT
        final NotificationRecord r = getNotificationRecord(pkg, 5, String.valueOf(5),
                UserHandle.SYSTEM);
        posted.add(r);
        assertThat(mGroupHelper.onNotificationPosted(r, true)).isTrue();
        // addAutoGroup not called on sbn, because the autogrouping is expected to be done
        // synchronously.
        verify(mCallback, never()).removeAutoGroup(anyString());
        verify(mCallback, never()).removeAutoGroupSummary(anyInt(), anyString(), anyString());
        verify(mCallback).updateAutogroupSummary(anyInt(), anyString(), anyString(),
                eq(getNotificationAttributes(BASE_FLAGS)));
        verify(mCallback, never()).addAutoGroupSummary(anyInt(), anyString(), anyString(),
                anyString(), anyInt(), any());
    }

    @Test
    @DisableFlags(android.app.Flags.FLAG_CHECK_AUTOGROUP_BEFORE_POST)
    @EnableFlags(Flags.FLAG_AUTOGROUP_SUMMARY_ICON_UPDATE)
    public void testAddSummary_sameIcon_sameColor_alwaysAutogroup() {
        final String pkg = "package";
        final Icon icon = mock(Icon.class);
        when(icon.sameAs(icon)).thenReturn(true);
        final int iconColor = Color.BLUE;
        final NotificationAttributes attr = new NotificationAttributes(BASE_FLAGS, icon, iconColor,
                DEFAULT_VISIBILITY, DEFAULT_GROUP_ALERT, TEST_CHANNEL_ID);

        // Add notifications with same icon and color
        for (int i = 0; i < AUTOGROUP_AT_COUNT; i++) {
            NotificationRecord r = getNotificationRecord(
                    getSbn(pkg, i, String.valueOf(i), UserHandle.SYSTEM, null, icon, iconColor));
            mGroupHelper.onNotificationPosted(r, false);
        }
        // Check that the summary would have the same icon and color
        verify(mCallback, times(1)).addAutoGroupSummary(
                anyInt(), eq(pkg), anyString(), anyString(), anyInt(), eq(attr));
        verify(mCallback, times(AUTOGROUP_AT_COUNT)).addAutoGroup(anyString(), anyString(),
                anyBoolean());
        verify(mCallback, never()).removeAutoGroup(anyString());
        verify(mCallback, never()).removeAutoGroupSummary(anyInt(), anyString(), anyString());

        // After auto-grouping, add new notification with the same color
        NotificationRecord r = getNotificationRecord(
                getSbn(pkg, AUTOGROUP_AT_COUNT, String.valueOf(AUTOGROUP_AT_COUNT),
                    UserHandle.SYSTEM,null, icon, iconColor));
        mGroupHelper.onNotificationPosted(r, true);

        // Check that the summary was updated
        //NotificationAttributes newAttr = new NotificationAttributes(BASE_FLAGS, icon, iconColor);
        verify(mCallback, times(1)).updateAutogroupSummary(anyInt(), anyString(), anyString(),
                eq(attr));
    }

    @Test
    @EnableFlags({Flags.FLAG_AUTOGROUP_SUMMARY_ICON_UPDATE,
            android.app.Flags.FLAG_CHECK_AUTOGROUP_BEFORE_POST})
    public void testAddSummary_sameIcon_sameColor() {
        final String pkg = "package";
        final Icon icon = mock(Icon.class);
        when(icon.sameAs(icon)).thenReturn(true);
        final int iconColor = Color.BLUE;
        final NotificationAttributes attr = new NotificationAttributes(BASE_FLAGS, icon, iconColor,
                DEFAULT_VISIBILITY, DEFAULT_GROUP_ALERT, TEST_CHANNEL_ID);

        // Add notifications with same icon and color
        for (int i = 0; i < AUTOGROUP_AT_COUNT; i++) {
            NotificationRecord r = getNotificationRecord(
                    getSbn(pkg, i, String.valueOf(i), UserHandle.SYSTEM, null, icon, iconColor));
            mGroupHelper.onNotificationPosted(r, false);
        }
        // Check that the summary would have the same icon and color
        verify(mCallback, times(1)).addAutoGroupSummary(anyInt(), eq(pkg), anyString(),
                anyString(), anyInt(), eq(attr));
        verify(mCallback, times(AUTOGROUP_AT_COUNT - 1)).addAutoGroup(anyString(), anyString(),
                anyBoolean());
        verify(mCallback, never()).removeAutoGroup(anyString());
        verify(mCallback, never()).removeAutoGroupSummary(anyInt(), anyString(), anyString());

        // After auto-grouping, add new notification with the same color
        NotificationRecord r = getNotificationRecord(getSbn(pkg, AUTOGROUP_AT_COUNT,
            String.valueOf(AUTOGROUP_AT_COUNT), UserHandle.SYSTEM, null, icon, iconColor));
        mGroupHelper.onNotificationPosted(r, true);

        // Check that the summary was updated
        //NotificationAttributes newAttr = new NotificationAttributes(BASE_FLAGS, icon, iconColor);
        verify(mCallback, times(1)).updateAutogroupSummary(anyInt(), anyString(), anyString(),
                eq(attr));
    }

    @Test
    @DisableFlags(android.app.Flags.FLAG_CHECK_AUTOGROUP_BEFORE_POST)
    @EnableFlags(Flags.FLAG_AUTOGROUP_SUMMARY_ICON_UPDATE)
    public void testAddSummary_diffIcon_diffColor_disableFlag() {
        final String pkg = "package";
        final Icon initialIcon = mock(Icon.class);
        when(initialIcon.sameAs(initialIcon)).thenReturn(true);
        final int initialIconColor = Color.BLUE;

        // Spy GroupHelper for getMonochromeAppIcon
        final Icon monochromeIcon = mock(Icon.class);
        when(monochromeIcon.sameAs(monochromeIcon)).thenReturn(true);
        GroupHelper groupHelper = spy(mGroupHelper);
        doReturn(monochromeIcon).when(groupHelper).getMonochromeAppIcon(eq(pkg));

        final NotificationAttributes initialAttr = new NotificationAttributes(BASE_FLAGS,
                initialIcon, initialIconColor, DEFAULT_VISIBILITY, DEFAULT_GROUP_ALERT,
                TEST_CHANNEL_ID);

        // Add notifications with same icon and color
        for (int i = 0; i < AUTOGROUP_AT_COUNT; i++) {
            NotificationRecord r = getNotificationRecord(
                getSbn(pkg, i, String.valueOf(i), UserHandle.SYSTEM, null,
                    initialIcon, initialIconColor));
            groupHelper.onNotificationPosted(r, false);
        }
        // Check that the summary would have the same icon and color
        verify(mCallback, times(1)).addAutoGroupSummary(anyInt(), eq(pkg), anyString(),
                anyString(), anyInt(), eq(initialAttr));
        verify(mCallback, times(AUTOGROUP_AT_COUNT)).addAutoGroup(anyString(), anyString(),
                anyBoolean());
        verify(mCallback, never()).removeAutoGroup(anyString());
        verify(mCallback, never()).removeAutoGroupSummary(anyInt(), anyString(), anyString());

        // After auto-grouping, add new notification with a different color
        final Icon newIcon = mock(Icon.class);
        final int newIconColor = Color.YELLOW;
        NotificationRecord r = getNotificationRecord(getSbn(pkg, AUTOGROUP_AT_COUNT,
                String.valueOf(AUTOGROUP_AT_COUNT), UserHandle.SYSTEM, null, newIcon,
                newIconColor));
        groupHelper.onNotificationPosted(r, true);

        // Summary should be updated to the default color and the icon to the monochrome icon
        NotificationAttributes newAttr = new NotificationAttributes(BASE_FLAGS, monochromeIcon,
                COLOR_DEFAULT, DEFAULT_VISIBILITY, DEFAULT_GROUP_ALERT, TEST_CHANNEL_ID);
        verify(mCallback, times(1)).updateAutogroupSummary(anyInt(), anyString(), anyString(),
                eq(newAttr));
    }

    @Test
    @EnableFlags({Flags.FLAG_AUTOGROUP_SUMMARY_ICON_UPDATE,
            android.app.Flags.FLAG_CHECK_AUTOGROUP_BEFORE_POST})
    public void testAddSummary_diffIcon_diffColor() {
        final String pkg = "package";
        final Icon initialIcon = mock(Icon.class);
        when(initialIcon.sameAs(initialIcon)).thenReturn(true);
        final int initialIconColor = Color.BLUE;

        // Spy GroupHelper for getMonochromeAppIcon
        final Icon monochromeIcon = mock(Icon.class);
        when(monochromeIcon.sameAs(monochromeIcon)).thenReturn(true);
        GroupHelper groupHelper = spy(mGroupHelper);
        doReturn(monochromeIcon).when(groupHelper).getMonochromeAppIcon(eq(pkg));

        final NotificationAttributes initialAttr = new NotificationAttributes(BASE_FLAGS,
                initialIcon, initialIconColor, DEFAULT_VISIBILITY, DEFAULT_GROUP_ALERT,
                TEST_CHANNEL_ID);

        // Add notifications with same icon and color
        for (int i = 0; i < AUTOGROUP_AT_COUNT; i++) {
            NotificationRecord r = getNotificationRecord(
                getSbn(pkg, i, String.valueOf(i), UserHandle.SYSTEM, null,
                    initialIcon, initialIconColor));
            groupHelper.onNotificationPosted(r, false);
        }
        // Check that the summary would have the same icon and color
        verify(mCallback, times(1)).addAutoGroupSummary(anyInt(), eq(pkg), anyString(),
                anyString(), anyInt(), eq(initialAttr));
        verify(mCallback, times(AUTOGROUP_AT_COUNT - 1)).addAutoGroup(anyString(), anyString(),
                anyBoolean());
        verify(mCallback, never()).removeAutoGroup(anyString());
        verify(mCallback, never()).removeAutoGroupSummary(anyInt(), anyString(), anyString());

        // After auto-grouping, add new notification with a different color
        final Icon newIcon = mock(Icon.class);
        final int newIconColor = Color.YELLOW;
        NotificationRecord r = getNotificationRecord(getSbn(pkg, AUTOGROUP_AT_COUNT,
            String.valueOf(AUTOGROUP_AT_COUNT), UserHandle.SYSTEM, null, newIcon,
            newIconColor));
        groupHelper.onNotificationPosted(r, true);

        // Summary should be updated to the default color and the icon to the monochrome icon
        NotificationAttributes newAttr = new NotificationAttributes(BASE_FLAGS, monochromeIcon,
                COLOR_DEFAULT, DEFAULT_VISIBILITY, DEFAULT_GROUP_ALERT, TEST_CHANNEL_ID);
        verify(mCallback, times(1)).updateAutogroupSummary(anyInt(), anyString(), anyString(),
                eq(newAttr));
    }

    @Test
    @DisableFlags(android.app.Flags.FLAG_CHECK_AUTOGROUP_BEFORE_POST)
    @EnableFlags(Flags.FLAG_AUTOGROUP_SUMMARY_ICON_UPDATE)
    public void testAddSummary_diffVisibility_alwaysAutogroup() {
        final String pkg = "package";
        final Icon icon = mock(Icon.class);
        when(icon.sameAs(icon)).thenReturn(true);
        final int iconColor = Color.BLUE;
        final NotificationAttributes attr = new NotificationAttributes(BASE_FLAGS, icon, iconColor,
                VISIBILITY_PRIVATE, DEFAULT_GROUP_ALERT, TEST_CHANNEL_ID);

        // Add notifications with same icon and color and default visibility (private)
        for (int i = 0; i < AUTOGROUP_AT_COUNT; i++) {
            NotificationRecord r = getNotificationRecord(
                getSbn(pkg, i, String.valueOf(i), UserHandle.SYSTEM, null,
                    icon, iconColor));
            mGroupHelper.onNotificationPosted(r, false);
        }
        // Check that the summary has private visibility
        verify(mCallback, times(1)).addAutoGroupSummary(
                anyInt(), eq(pkg), anyString(), anyString(), anyInt(), eq(attr));

        verify(mCallback, times(AUTOGROUP_AT_COUNT)).addAutoGroup(anyString(), anyString(),
                anyBoolean());
        verify(mCallback, never()).removeAutoGroup(anyString());
        verify(mCallback, never()).removeAutoGroupSummary(anyInt(), anyString(), anyString());

        // After auto-grouping, add new notification with public visibility
        NotificationRecord r = getNotificationRecord(getSbn(pkg, AUTOGROUP_AT_COUNT,
            String.valueOf(AUTOGROUP_AT_COUNT), UserHandle.SYSTEM, null, icon, iconColor));
        r.getNotification().visibility = VISIBILITY_PUBLIC;
        mGroupHelper.onNotificationPosted(r, true);

        // Check that the summary visibility was updated
        NotificationAttributes newAttr = new NotificationAttributes(BASE_FLAGS, icon, iconColor,
                VISIBILITY_PUBLIC, DEFAULT_GROUP_ALERT, TEST_CHANNEL_ID);
        verify(mCallback, times(1)).updateAutogroupSummary(anyInt(), anyString(), anyString(),
                eq(newAttr));
    }

    @Test
    @EnableFlags({Flags.FLAG_AUTOGROUP_SUMMARY_ICON_UPDATE,
            android.app.Flags.FLAG_CHECK_AUTOGROUP_BEFORE_POST})
    public void testAddSummary_diffVisibility() {
        final String pkg = "package";
        final Icon icon = mock(Icon.class);
        when(icon.sameAs(icon)).thenReturn(true);
        final int iconColor = Color.BLUE;
        final NotificationAttributes attr = new NotificationAttributes(BASE_FLAGS, icon, iconColor,
                VISIBILITY_PRIVATE, DEFAULT_GROUP_ALERT, TEST_CHANNEL_ID);

        // Add notifications with same icon and color and default visibility (private)
        for (int i = 0; i < AUTOGROUP_AT_COUNT - 1; i++) {
            NotificationRecord r = getNotificationRecord(
                getSbn(pkg, i, String.valueOf(i), UserHandle.SYSTEM, null,
                    icon, iconColor));
            assertThat(mGroupHelper.onNotificationPosted(r, false)).isFalse();
        }
        // The last notification added will reach the autogroup threshold.
        NotificationRecord r = getNotificationRecord(getSbn(pkg, AUTOGROUP_AT_COUNT - 1,
            String.valueOf(AUTOGROUP_AT_COUNT - 1), UserHandle.SYSTEM, null, icon, iconColor));
        assertThat(mGroupHelper.onNotificationPosted(r, false)).isTrue();

        // Check that the summary has private visibility
        verify(mCallback, times(1)).addAutoGroupSummary(anyInt(), eq(pkg), anyString(), anyString(),
                anyInt(), eq(attr));
        // The last sbn is expected to be added to autogroup synchronously.
        verify(mCallback, times(AUTOGROUP_AT_COUNT - 1)).addAutoGroup(anyString(), anyString(),
                anyBoolean());
        verify(mCallback, never()).removeAutoGroup(anyString());
        verify(mCallback, never()).removeAutoGroupSummary(anyInt(), anyString(), anyString());

        // After auto-grouping, add new notification with public visibility
        r = getNotificationRecord(getSbn(pkg, AUTOGROUP_AT_COUNT,
            String.valueOf(AUTOGROUP_AT_COUNT), UserHandle.SYSTEM, null, icon, iconColor));
        r.getNotification().visibility = VISIBILITY_PUBLIC;
        assertThat(mGroupHelper.onNotificationPosted(r, true)).isTrue();

        // Check that the summary visibility was updated
        NotificationAttributes newAttr = new NotificationAttributes(BASE_FLAGS, icon, iconColor,
                VISIBILITY_PUBLIC, DEFAULT_GROUP_ALERT, TEST_CHANNEL_ID);
        verify(mCallback, times(1)).updateAutogroupSummary(anyInt(), anyString(), anyString(),
                eq(newAttr));
    }

    @Test
    @EnableFlags(Flags.FLAG_AUTOGROUP_SUMMARY_ICON_UPDATE)
    @DisableFlags(FLAG_NOTIFICATION_FORCE_GROUPING)
    public void testAutoGrouped_diffIcon_diffColor_removeChild_updateTo_sameIcon_sameColor() {
        final String pkg = "package";
        final Icon initialIcon = mock(Icon.class);
        when(initialIcon.sameAs(initialIcon)).thenReturn(true);
        final int initialIconColor = Color.BLUE;
        final NotificationAttributes initialAttr = new NotificationAttributes(
                GroupHelper.FLAG_INVALID, initialIcon, initialIconColor, DEFAULT_VISIBILITY,
                DEFAULT_GROUP_ALERT, TEST_CHANNEL_ID);

        // Add AUTOGROUP_AT_COUNT-1 notifications with same icon and color
        ArrayList<NotificationRecord> notifications = new ArrayList<>();
        for (int i = 0; i < AUTOGROUP_AT_COUNT - 1; i++) {
            NotificationRecord r = getNotificationRecord(
                getSbn(pkg, i, String.valueOf(i), UserHandle.SYSTEM, null,
                    initialIcon, initialIconColor));
            notifications.add(r);
        }
        // And an additional notification with different icon and color
        final int lastIdx = AUTOGROUP_AT_COUNT - 1;
        NotificationRecord newRec = getNotificationRecord(getSbn(pkg, lastIdx,
                String.valueOf(lastIdx), UserHandle.SYSTEM, null, mock(Icon.class),
                Color.YELLOW));
        notifications.add(newRec);
        for (NotificationRecord r: notifications) {
            mGroupHelper.onNotificationPosted(r, false);
        }

        // Remove last notification (the only one with different icon and color)
        mGroupHelper.onNotificationRemoved(notifications.get(lastIdx));

        // Summary should be updated to the common icon and color
        verify(mCallback, times(1)).updateAutogroupSummary(anyInt(), anyString(), anyString(),
                eq(initialAttr));
    }

    @Test
    @EnableFlags({Flags.FLAG_AUTOGROUP_SUMMARY_ICON_UPDATE,
            FLAG_NOTIFICATION_FORCE_GROUPING})
    public void testAutoGrouped_diffIcon_diffColor_removeChild_updateTo_sameIcon_sameColor_forceGrouping() {
        final String pkg = "package";
        final Icon initialIcon = mock(Icon.class);
        when(initialIcon.sameAs(initialIcon)).thenReturn(true);
        final int initialIconColor = Color.BLUE;
        final NotificationAttributes initialAttr = new NotificationAttributes(
            BASE_FLAGS, initialIcon, initialIconColor, DEFAULT_VISIBILITY,
            DEFAULT_GROUP_ALERT, TEST_CHANNEL_ID);

        // Add AUTOGROUP_AT_COUNT-1 notifications with same icon and color
        ArrayList<NotificationRecord> notifications = new ArrayList<>();
        for (int i = 0; i < AUTOGROUP_AT_COUNT - 1; i++) {
            NotificationRecord r = getNotificationRecord(
                getSbn(pkg, i, String.valueOf(i), UserHandle.SYSTEM, null,
                    initialIcon, initialIconColor));
            notifications.add(r);
        }
        // And an additional notification with different icon and color
        final int lastIdx = AUTOGROUP_AT_COUNT - 1;
        NotificationRecord newRec = getNotificationRecord(getSbn(pkg, lastIdx,
            String.valueOf(lastIdx), UserHandle.SYSTEM, null, mock(Icon.class),
            Color.YELLOW));
        notifications.add(newRec);
        for (NotificationRecord r: notifications) {
            mGroupHelper.onNotificationPosted(r, false);
        }

        // Remove last notification (the only one with different icon and color)
        mGroupHelper.onNotificationRemoved(notifications.get(lastIdx), new ArrayList<>(), false);

        // Summary should be updated to the common icon and color
        verify(mCallback, times(1)).updateAutogroupSummary(anyInt(), anyString(), anyString(),
            eq(initialAttr));
    }

    @Test
    @EnableFlags(Flags.FLAG_AUTOGROUP_SUMMARY_ICON_UPDATE)
    public void testAutobundledSummaryIcon_sameIcon() {
        final String pkg = "package";
        final Icon icon = mock(Icon.class);
        when(icon.sameAs(icon)).thenReturn(true);

        // Create notifications with the same icon
        List<NotificationAttributes> childrenAttr = new ArrayList<>();
        for (int i = 0; i < AUTOGROUP_AT_COUNT; i++) {
            childrenAttr.add(new NotificationAttributes(0, icon, COLOR_DEFAULT,
                    DEFAULT_VISIBILITY, DEFAULT_GROUP_ALERT, TEST_CHANNEL_ID));
        }

        //Check that the generated summary icon is the same as the child notifications'
        Icon summaryIcon = mGroupHelper.getAutobundledSummaryAttributes(pkg, childrenAttr).icon;
        assertThat(summaryIcon).isEqualTo(icon);
    }

    @Test
    @EnableFlags(Flags.FLAG_AUTOGROUP_SUMMARY_ICON_UPDATE)
    public void testAutobundledSummaryIcon_diffIcon() {
        final String pkg = "package";
        // Spy GroupHelper for getMonochromeAppIcon
        final Icon monochromeIcon = mock(Icon.class);
        GroupHelper groupHelper = spy(mGroupHelper);
        doReturn(monochromeIcon).when(groupHelper).getMonochromeAppIcon(eq(pkg));

        // Create notifications with different icons
        List<NotificationAttributes> childrenAttr = new ArrayList<>();
        for (int i = 0; i < AUTOGROUP_AT_COUNT; i++) {
            childrenAttr.add(new NotificationAttributes(0, mock(Icon.class), COLOR_DEFAULT,
                    DEFAULT_VISIBILITY, DEFAULT_GROUP_ALERT, TEST_CHANNEL_ID));
        }

        // Check that the generated summary icon is the monochrome icon
        Icon summaryIcon = groupHelper.getAutobundledSummaryAttributes(pkg, childrenAttr).icon;
        assertThat(summaryIcon).isEqualTo(monochromeIcon);
    }

    @Test
    @EnableFlags(Flags.FLAG_AUTOGROUP_SUMMARY_ICON_UPDATE)
    public void testAutobundledSummaryIconColor_sameColor() {
        final String pkg = "package";
        final int iconColor = Color.BLUE;
        // Create notifications with the same icon color
        List<NotificationAttributes> childrenAttr = new ArrayList<>();
        for (int i = 0; i < AUTOGROUP_AT_COUNT; i++) {
            childrenAttr.add(new NotificationAttributes(0, mock(Icon.class), iconColor,
                    DEFAULT_VISIBILITY, DEFAULT_GROUP_ALERT, TEST_CHANNEL_ID));
        }

        // Check that the generated summary icon color is the same as the child notifications'
        int summaryIconColor = mGroupHelper.getAutobundledSummaryAttributes(pkg,
                childrenAttr).iconColor;
        assertThat(summaryIconColor).isEqualTo(iconColor);
    }

    @Test
    @EnableFlags(Flags.FLAG_AUTOGROUP_SUMMARY_ICON_UPDATE)
    public void testAutobundledSummaryIconColor_diffColor() {
        final String pkg = "package";
        // Create notifications with different icon colors
        List<NotificationAttributes> childrenAttr = new ArrayList<>();
        for (int i = 0; i < AUTOGROUP_AT_COUNT; i++) {
            childrenAttr.add(new NotificationAttributes(0, mock(Icon.class), i,
                    DEFAULT_VISIBILITY, DEFAULT_GROUP_ALERT, TEST_CHANNEL_ID));
        }

        // Check that the generated summary icon color is the default color
        int summaryIconColor = mGroupHelper.getAutobundledSummaryAttributes(pkg,
                childrenAttr).iconColor;
        assertThat(summaryIconColor).isEqualTo(Notification.COLOR_DEFAULT);
    }

    @Test
    @EnableFlags(Flags.FLAG_AUTOGROUP_SUMMARY_ICON_UPDATE)
    public void testAutobundledSummaryVisibility_hasPublicChildren() {
        final String pkg = "package";
        final int iconColor = Color.BLUE;
        // Create notifications with private and public visibility
        List<NotificationAttributes> childrenAttr = new ArrayList<>();
        childrenAttr.add(new NotificationAttributes(0, mock(Icon.class), iconColor,
                VISIBILITY_PUBLIC, DEFAULT_GROUP_ALERT, TEST_CHANNEL_ID));
        for (int i = 0; i < AUTOGROUP_AT_COUNT - 1; i++) {
            childrenAttr.add(new NotificationAttributes(0, mock(Icon.class), iconColor,
                    VISIBILITY_PRIVATE, DEFAULT_GROUP_ALERT, TEST_CHANNEL_ID));
        }

        // Check that the generated summary visibility is public
        int summaryVisibility = mGroupHelper.getAutobundledSummaryAttributes(pkg,
                childrenAttr).visibility;
        assertThat(summaryVisibility).isEqualTo(VISIBILITY_PUBLIC);
    }

    @Test
    @EnableFlags(Flags.FLAG_AUTOGROUP_SUMMARY_ICON_UPDATE)
    public void testAutobundledSummaryVisibility_noPublicChildren() {
        final String pkg = "package";
        final int iconColor = Color.BLUE;
        int visibility = VISIBILITY_PRIVATE;
        // Create notifications with either private or secret visibility
        List<NotificationAttributes> childrenAttr = new ArrayList<>();
        for (int i = 0; i < AUTOGROUP_AT_COUNT; i++) {
            if (i % 2 == 0) {
                visibility = VISIBILITY_PRIVATE;
            } else {
                visibility = VISIBILITY_SECRET;
            }
            childrenAttr.add(new NotificationAttributes(0, mock(Icon.class), iconColor,
                    visibility, DEFAULT_GROUP_ALERT, TEST_CHANNEL_ID));
        }

        // Check that the generated summary visibility is private
        int summaryVisibility = mGroupHelper.getAutobundledSummaryAttributes(pkg,
                childrenAttr).visibility;
        assertThat(summaryVisibility).isEqualTo(VISIBILITY_PRIVATE);
    }

    @Test
    public void testAutobundledSummaryAlertBehavior_oneChildAlertChildren() {
        final String pkg = "package";
        final int iconColor = Color.BLUE;
        // Create notifications with GROUP_ALERT_SUMMARY + one with GROUP_ALERT_CHILDREN
        List<NotificationAttributes> childrenAttr = new ArrayList<>();
        childrenAttr.add(new NotificationAttributes(0, mock(Icon.class), iconColor,
                VISIBILITY_PUBLIC, GROUP_ALERT_CHILDREN, TEST_CHANNEL_ID));
        for (int i = 0; i < AUTOGROUP_AT_COUNT - 1; i++) {
            childrenAttr.add(new NotificationAttributes(0, mock(Icon.class), iconColor,
                VISIBILITY_PRIVATE, GROUP_ALERT_SUMMARY, TEST_CHANNEL_ID));
        }
        // Check that the generated summary alert behavior is GROUP_ALERT_CHILDREN
        int groupAlertBehavior = mGroupHelper.getAutobundledSummaryAttributes(pkg,
                childrenAttr).groupAlertBehavior;
        assertThat(groupAlertBehavior).isEqualTo(GROUP_ALERT_CHILDREN);
    }

    @Test
    public void testAutobundledSummaryAlertBehavior_oneChildAlertAll() {
        final String pkg = "package";
        final int iconColor = Color.BLUE;
        // Create notifications with GROUP_ALERT_SUMMARY + one with GROUP_ALERT_ALL
        List<NotificationAttributes> childrenAttr = new ArrayList<>();
        childrenAttr.add(new NotificationAttributes(0, mock(Icon.class), iconColor,
                VISIBILITY_PUBLIC, GROUP_ALERT_ALL, TEST_CHANNEL_ID));
        for (int i = 0; i < AUTOGROUP_AT_COUNT - 1; i++) {
            childrenAttr.add(new NotificationAttributes(0, mock(Icon.class), iconColor,
                VISIBILITY_PRIVATE, GROUP_ALERT_SUMMARY, TEST_CHANNEL_ID));
        }
        // Check that the generated summary alert behavior is GROUP_ALERT_CHILDREN
        int groupAlertBehavior = mGroupHelper.getAutobundledSummaryAttributes(pkg,
                childrenAttr).groupAlertBehavior;
        assertThat(groupAlertBehavior).isEqualTo(GROUP_ALERT_CHILDREN);
    }

    @Test
    public void testAutobundledSummaryAlertBehavior_allChildAlertSummary() {
        final String pkg = "package";
        final int iconColor = Color.BLUE;
        // Create notifications with GROUP_ALERT_SUMMARY
        List<NotificationAttributes> childrenAttr = new ArrayList<>();
        for (int i = 0; i < AUTOGROUP_AT_COUNT; i++) {
            childrenAttr.add(new NotificationAttributes(0, mock(Icon.class), iconColor,
                VISIBILITY_PRIVATE, GROUP_ALERT_SUMMARY, TEST_CHANNEL_ID));
        }

        // Check that the generated summary alert behavior is GROUP_ALERT_SUMMARY
        int groupAlertBehavior = mGroupHelper.getAutobundledSummaryAttributes(pkg,
                childrenAttr).groupAlertBehavior;
        assertThat(groupAlertBehavior).isEqualTo(GROUP_ALERT_SUMMARY);
    }

    @Test
    @EnableFlags(Flags.FLAG_AUTOGROUP_SUMMARY_ICON_UPDATE)
    public void testAutobundledSummaryChannelId() {
        final String pkg = "package";
        final int iconColor = Color.BLUE;
        final String expectedChannelId = TEST_CHANNEL_ID + "0";
        // Create notifications with different channelIds
        List<NotificationAttributes> childrenAttr = new ArrayList<>();
        for (int i = 0; i < AUTOGROUP_AT_COUNT; i++) {
            childrenAttr.add(new NotificationAttributes(0, mock(Icon.class), iconColor,
                    DEFAULT_VISIBILITY, DEFAULT_GROUP_ALERT, TEST_CHANNEL_ID+i));
        }

        // Check that the generated summary channelId is the first child in the list
        String summaryChannelId = mGroupHelper.getAutobundledSummaryAttributes(pkg,
                childrenAttr).channelId;
        assertThat(summaryChannelId).isEqualTo(expectedChannelId);
    }

    @Test
    @EnableFlags(Flags.FLAG_AUTOGROUP_SUMMARY_ICON_UPDATE)
    public void testAutobundledSummaryChannelId_noChildren() {
        final String pkg = "package";
        // No child notifications
        List<NotificationAttributes> childrenAttr = new ArrayList<>();
        // Check that the generated summary channelId is null
        String summaryChannelId = mGroupHelper.getAutobundledSummaryAttributes(pkg,
                childrenAttr).channelId;
        assertThat(summaryChannelId).isNull();
    }

    @Test
    @EnableFlags(Flags.FLAG_AUTOGROUP_SUMMARY_ICON_UPDATE)
    public void testMonochromeAppIcon_adaptiveIconExists() throws Exception {
        final String pkg = "testPackage";
        final int monochromeIconResId = 1234;
        AdaptiveIconDrawable adaptiveIcon = mock(AdaptiveIconDrawable.class);
        Drawable monochromeIcon = mock(Drawable.class);
        when(mPackageManager.getApplicationIcon(pkg)).thenReturn(adaptiveIcon);
        when(adaptiveIcon.getMonochrome()).thenReturn(monochromeIcon);
        when(adaptiveIcon.getSourceDrawableResId()).thenReturn(monochromeIconResId);
        assertThat(mGroupHelper.getMonochromeAppIcon(pkg).getResId())
                .isEqualTo(monochromeIconResId);
    }

    @Test
    @EnableFlags(Flags.FLAG_AUTOGROUP_SUMMARY_ICON_UPDATE)
    public void testMonochromeAppIcon_adaptiveIconMissing_fallback() throws Exception {
        final String pkg = "testPackage";
        final int fallbackIconResId = R.drawable.ic_notification_summary_auto;
        when(mPackageManager.getApplicationIcon(pkg)).thenReturn(mock(Drawable.class));
        assertThat(mGroupHelper.getMonochromeAppIcon(pkg).getResId())
                .isEqualTo(fallbackIconResId);
    }

    @Test
    @EnableFlags(FLAG_NOTIFICATION_FORCE_GROUPING)
    public void testGetAggregateGroupKey() {
        final String fullAggregateGroupKey = GroupHelper.getFullAggregateGroupKey("pkg",
                "groupKey", 1234);
        assertThat(fullAggregateGroupKey).isEqualTo("1234|pkg|g:groupKey");
    }

    @Test
    @EnableFlags(FLAG_NOTIFICATION_FORCE_GROUPING)
    public void testNoGroup_postingUnderLimit_forcedGrouping() {
        final List<NotificationRecord> notificationList = new ArrayList<>();
        final ArrayMap<String, NotificationRecord> summaryByGroup = new ArrayMap<>();
        final String pkg = "package";
        for (int i = 0; i < AUTOGROUP_AT_COUNT - 1; i++) {
            NotificationRecord r = getNotificationRecord(pkg, i, String.valueOf(i),
                    UserHandle.SYSTEM, "testGrp " + i, true);
            notificationList.add(r);
            mGroupHelper.onNotificationPostedWithDelay(r, notificationList, summaryByGroup);
        }
        verifyNoMoreInteractions(mCallback);
    }

    @Test
    @EnableFlags(FLAG_NOTIFICATION_FORCE_GROUPING)
    public void testNoGroup_AutobundledAlready_forcedGrouping() {
        final List<NotificationRecord> notificationList = new ArrayList<>();
        final ArrayMap<String, NotificationRecord> summaryByGroup = new ArrayMap<>();
        final String pkg = "package";
        for (int i = 0; i < AUTOGROUP_AT_COUNT; i++) {
            NotificationRecord r = getNotificationRecord(pkg, i, String.valueOf(i),
                    UserHandle.SYSTEM, null, true);
            notificationList.add(r);
            mGroupHelper.onNotificationPostedWithDelay(r, notificationList, summaryByGroup);
        }
        verifyNoMoreInteractions(mCallback);
    }

    @Test
    @EnableFlags(FLAG_NOTIFICATION_FORCE_GROUPING)
    public void testNoGroup_isCanceled_forcedGrouping() {
        final List<NotificationRecord> notificationList = new ArrayList<>();
        final ArrayMap<String, NotificationRecord> summaryByGroup = new ArrayMap<>();
        final String pkg = "package";
        for (int i = 0; i < AUTOGROUP_AT_COUNT; i++) {
            NotificationRecord r = getNotificationRecord(pkg, i, String.valueOf(i),
                    UserHandle.SYSTEM, "testGrp" + i, true);
            r.isCanceled = true;
            notificationList.add(r);
            mGroupHelper.onNotificationPostedWithDelay(r, notificationList, summaryByGroup);
        }
        verifyNoMoreInteractions(mCallback);
    }

    @Test
    @EnableFlags(FLAG_NOTIFICATION_FORCE_GROUPING)
    public void testNoGroup_isAggregated_forcedGrouping() {
        final List<NotificationRecord> notificationList = new ArrayList<>();
        final ArrayMap<String, NotificationRecord> summaryByGroup = new ArrayMap<>();
        final String pkg = "package";
        for (int i = 0; i < AUTOGROUP_AT_COUNT; i++) {
            String aggregateGroupKey = AGGREGATE_GROUP_KEY + "AlertingSection";
            NotificationRecord r = getNotificationRecord(pkg, i, String.valueOf(i),
                    UserHandle.SYSTEM, aggregateGroupKey, true);
            notificationList.add(r);
            mGroupHelper.onNotificationPostedWithDelay(r, notificationList, summaryByGroup);
        }
        verifyNoMoreInteractions(mCallback);
    }

    @Test
    @EnableFlags(FLAG_NOTIFICATION_FORCE_GROUPING)
    public void testNoGroup_multiPackage_forcedGrouping() {
        final String pkg = "package";
        final String pkg2 = "package2";
        final List<NotificationRecord> notificationList = new ArrayList<>();
        final ArrayMap<String, NotificationRecord> summaryByGroup = new ArrayMap<>();
        for (int i = 0; i < AUTOGROUP_AT_COUNT - 1; i++) {
            NotificationRecord r = getNotificationRecord(pkg, i, String.valueOf(i),
                    UserHandle.SYSTEM, "testGrp " + i, true);
            notificationList.add(r);
            mGroupHelper.onNotificationPostedWithDelay(r, notificationList, summaryByGroup);
        }
        NotificationRecord r = getNotificationRecord(pkg2, AUTOGROUP_AT_COUNT,
                String.valueOf(AUTOGROUP_AT_COUNT), UserHandle.SYSTEM, "testGrp", true);
        notificationList.add(r);
        mGroupHelper.onNotificationPostedWithDelay(r, notificationList, summaryByGroup);
        verifyNoMoreInteractions(mCallback);
    }

    @Test
    @EnableFlags(FLAG_NOTIFICATION_FORCE_GROUPING)
    public void testNoGroup_multiUser_forcedGrouping() {
        final String pkg = "package";
        final List<NotificationRecord> notificationList = new ArrayList<>();
        final ArrayMap<String, NotificationRecord> summaryByGroup = new ArrayMap<>();
        for (int i = 0; i < AUTOGROUP_AT_COUNT - 1; i++) {
            NotificationRecord r = getNotificationRecord(pkg, i, String.valueOf(i),
                    UserHandle.SYSTEM, "testGrp " + i, true);
            notificationList.add(r);
            mGroupHelper.onNotificationPostedWithDelay(r, notificationList, summaryByGroup);
        }
        NotificationRecord r = getNotificationRecord(pkg, AUTOGROUP_AT_COUNT,
                String.valueOf(AUTOGROUP_AT_COUNT), UserHandle.of(7), "testGrp", true);
        notificationList.add(r);
        mGroupHelper.onNotificationPostedWithDelay(r, notificationList, summaryByGroup);
        verifyNoMoreInteractions(mCallback);
    }

    @Test
    @EnableFlags(FLAG_NOTIFICATION_FORCE_GROUPING)
    public void testNoGroup_summaryWithChildren_forcedGrouping() {
        final List<NotificationRecord> notificationList = new ArrayList<>();
        final ArrayMap<String, NotificationRecord> summaryByGroup = new ArrayMap<>();
        final String pkg = "package";
        for (int i = 0; i < AUTOGROUP_AT_COUNT - 1; i++) {
            NotificationRecord r = getNotificationRecord(pkg, i, String.valueOf(i),
                UserHandle.SYSTEM, "testGrp " + i, true);
            notificationList.add(r);
            mGroupHelper.onNotificationPostedWithDelay(r, notificationList, summaryByGroup);
        }
        // Next posted summary has 1 child => no forced grouping
        NotificationRecord summary = getNotificationRecord(pkg, AUTOGROUP_AT_COUNT,
            String.valueOf(AUTOGROUP_AT_COUNT), UserHandle.SYSTEM, "testGrp", true);
        notificationList.add(summary);
        NotificationRecord child = getNotificationRecord(pkg, AUTOGROUP_AT_COUNT + 1,
            String.valueOf(AUTOGROUP_AT_COUNT + 1), UserHandle.SYSTEM, "testGrp", false);
        notificationList.add(child);
        mGroupHelper.onNotificationPostedWithDelay(summary, notificationList, summaryByGroup);
        verifyNoMoreInteractions(mCallback);
    }

    @Test
    @EnableFlags(FLAG_NOTIFICATION_FORCE_GROUPING)
    public void testNoGroup_groupWithSummary_forcedGrouping() {
        final List<NotificationRecord> notificationList = new ArrayList<>();
        final ArrayMap<String, NotificationRecord> summaryByGroup = new ArrayMap<>();
        final String pkg = "package";
        for (int i = 0; i < AUTOGROUP_AT_COUNT - 1; i++) {
            NotificationRecord r = getNotificationRecord(pkg, i, String.valueOf(i),
                UserHandle.SYSTEM, "testGrp " + i, true);
            notificationList.add(r);
            mGroupHelper.onNotificationPostedWithDelay(r, notificationList, summaryByGroup);
        }
        // Next posted notification has summary => no forced grouping
        NotificationRecord summary = getNotificationRecord(pkg, AUTOGROUP_AT_COUNT,
            String.valueOf(AUTOGROUP_AT_COUNT), UserHandle.SYSTEM, "testGrp", true);
        notificationList.add(summary);
        NotificationRecord child = getNotificationRecord(pkg, AUTOGROUP_AT_COUNT + 1,
            String.valueOf(AUTOGROUP_AT_COUNT + 1), UserHandle.SYSTEM, "testGrp", false);
        notificationList.add(child);
        summaryByGroup.put(summary.getGroupKey(), summary);
        mGroupHelper.onNotificationPostedWithDelay(child, notificationList, summaryByGroup);
        verifyNoMoreInteractions(mCallback);
    }

    @Test
    @EnableFlags(FLAG_NOTIFICATION_FORCE_GROUPING)
    public void testAddAggregateSummary_summaryNoChildren() {
        final String pkg = "package";
        final String expectedGroupKey = GroupHelper.getFullAggregateGroupKey(pkg,
                AGGREGATE_GROUP_KEY + "AlertingSection", UserHandle.SYSTEM.getIdentifier());
        final List<NotificationRecord> notificationList = new ArrayList<>();
        final ArrayMap<String, NotificationRecord> summaryByGroup = new ArrayMap<>();
        // Post group summaries without children => force autogroup
        for (int i = 0; i < AUTOGROUP_AT_COUNT; i++) {
            NotificationRecord r = getNotificationRecord(pkg, i, String.valueOf(i),
                UserHandle.SYSTEM, "testGrp " + i, true);
            notificationList.add(r);
            mGroupHelper.onNotificationPostedWithDelay(r, notificationList, summaryByGroup);
        }
        verify(mCallback, times(1)).addAutoGroupSummary(anyInt(), eq(pkg), anyString(),
            eq(expectedGroupKey), anyInt(), eq(getNotificationAttributes(BASE_FLAGS)));
        verify(mCallback, times(AUTOGROUP_AT_COUNT)).addAutoGroup(anyString(),
            eq(expectedGroupKey), eq(true));
        verify(mCallback, never()).removeAutoGroup(anyString());
        verify(mCallback, never()).removeAutoGroupSummary(anyInt(), anyString(), anyString());
        verify(mCallback, never()).updateAutogroupSummary(anyInt(), anyString(), anyString(),
            any());
    }

    @Test
    @EnableFlags(FLAG_NOTIFICATION_FORCE_GROUPING)
    public void testAddAggregateSummary_childrenNoSummary() {
        final String pkg = "package";
        final String expectedGroupKey = GroupHelper.getFullAggregateGroupKey(pkg,
                AGGREGATE_GROUP_KEY + "AlertingSection", UserHandle.SYSTEM.getIdentifier());
        final List<NotificationRecord> notificationList = new ArrayList<>();
        final ArrayMap<String, NotificationRecord> summaryByGroup = new ArrayMap<>();
        // Post group notifications without summaries => force autogroup
        for (int i = 0; i < AUTOGROUP_AT_COUNT; i++) {
            NotificationRecord r = getNotificationRecord(pkg, i, String.valueOf(i),
                UserHandle.SYSTEM, "testGrp " + i, false);
            notificationList.add(r);
            mGroupHelper.onNotificationPostedWithDelay(r, notificationList, summaryByGroup);
        }
        verify(mCallback, times(1)).addAutoGroupSummary(anyInt(), eq(pkg), anyString(),
                eq(expectedGroupKey), anyInt(), eq(getNotificationAttributes(BASE_FLAGS)));
        verify(mCallback, times(AUTOGROUP_AT_COUNT)).addAutoGroup(anyString(),
                eq(expectedGroupKey), eq(true));
        verify(mCallback, never()).removeAutoGroup(anyString());
        verify(mCallback, never()).removeAutoGroupSummary(anyInt(), anyString(), anyString());
        verify(mCallback, never()).updateAutogroupSummary(anyInt(), anyString(), anyString(),
                any());
    }

    @Test
    @EnableFlags(FLAG_NOTIFICATION_FORCE_GROUPING)
    public void testAddAggregateSummary_multipleSections() {
        final String pkg = "package";
        final String expectedGroupKey_alerting = GroupHelper.getFullAggregateGroupKey(pkg,
            AGGREGATE_GROUP_KEY + "AlertingSection", UserHandle.SYSTEM.getIdentifier());
        final String expectedGroupKey_silent = GroupHelper.getFullAggregateGroupKey(pkg,
            AGGREGATE_GROUP_KEY + "SilentSection", UserHandle.SYSTEM.getIdentifier());

        final List<NotificationRecord> notificationList = new ArrayList<>();
        final ArrayMap<String, NotificationRecord> summaryByGroup = new ArrayMap<>();
        // Post notifications with different importance values => force group into separate sections
        NotificationRecord r;
        for (int i = 0; i < 2 * AUTOGROUP_AT_COUNT; i++) {
            if (i % 2 == 0) {
                r = getNotificationRecord(pkg, i, String.valueOf(i), UserHandle.SYSTEM,
                    "testGrp " + i, true, IMPORTANCE_DEFAULT);
            } else {
                r = getNotificationRecord(pkg, i, String.valueOf(i), UserHandle.SYSTEM,
                    "testGrp " + i, false, IMPORTANCE_LOW);
            }
            notificationList.add(r);
            mGroupHelper.onNotificationPostedWithDelay(r, notificationList, summaryByGroup);
        }
        verify(mCallback, times(1)).addAutoGroupSummary(anyInt(), eq(pkg), anyString(),
            eq(expectedGroupKey_alerting), anyInt(), eq(getNotificationAttributes(BASE_FLAGS)));
        verify(mCallback, times(1)).addAutoGroupSummary(anyInt(), eq(pkg), anyString(),
            eq(expectedGroupKey_silent), anyInt(), eq(getNotificationAttributes(BASE_FLAGS)));

        verify(mCallback, times(AUTOGROUP_AT_COUNT)).addAutoGroup(anyString(),
                eq(expectedGroupKey_alerting), eq(true));
        verify(mCallback, times(AUTOGROUP_AT_COUNT)).addAutoGroup(anyString(),
            eq(expectedGroupKey_silent), eq(true));

        verify(mCallback, never()).removeAutoGroup(anyString());
        verify(mCallback, never()).removeAutoGroupSummary(anyInt(), anyString(), anyString());
    }


    @Test
    @EnableFlags(FLAG_NOTIFICATION_FORCE_GROUPING)
    @DisableFlags(android.app.Flags.FLAG_CHECK_AUTOGROUP_BEFORE_POST)
    public void testAddAggregateSummary_mixUngroupedAndAbusive_alwaysAutogroup() {
        final String pkg = "package";
        final String expectedGroupKey = GroupHelper.getFullAggregateGroupKey(pkg,
            AGGREGATE_GROUP_KEY + "AlertingSection", UserHandle.SYSTEM.getIdentifier());
        // Post ungrouped notifications => create autogroup
        for (int i = 0; i < AUTOGROUP_AT_COUNT; i++) {
            mGroupHelper.onNotificationPosted(
                getNotificationRecord(pkg, i, String.valueOf(i), UserHandle.SYSTEM), false);
        }
        verify(mCallback, times(1)).addAutoGroupSummary(
                anyInt(), eq(pkg), anyString(), eq(expectedGroupKey),
                anyInt(), eq(getNotificationAttributes(BASE_FLAGS)));
        verify(mCallback, times(AUTOGROUP_AT_COUNT)).addAutoGroup(anyString(), eq(expectedGroupKey),
                anyBoolean());
        verify(mCallback, never()).removeAutoGroup(anyString());
        verify(mCallback, never()).removeAutoGroupSummary(anyInt(), anyString(), anyString());
        verify(mCallback, never()).updateAutogroupSummary(anyInt(), anyString(), anyString(),
                any());

        reset(mCallback);

        // Post group notifications without summaries => add to autogroup
        final List<NotificationRecord> notificationList = new ArrayList<>();
        final ArrayMap<String, NotificationRecord> summaryByGroup = new ArrayMap<>();
        final int id = AUTOGROUP_AT_COUNT;
        NotificationRecord r = getNotificationRecord(pkg, id, String.valueOf(id),
                UserHandle.SYSTEM, "testGrp " + id, false);
        notificationList.add(r);
        mGroupHelper.onNotificationPostedWithDelay(r, notificationList, summaryByGroup);

        // Check that the new notification was added
        verify(mCallback, times(1)).addAutoGroup(eq(r.getKey()),
                eq(expectedGroupKey), eq(true));
        verify(mCallback, times(1)).updateAutogroupSummary(anyInt(), eq(pkg),
                eq(expectedGroupKey), any());
        verify(mCallback, never()).addAutoGroupSummary(anyInt(), anyString(), anyString(),
                anyString(), anyInt(), any());
        verify(mCallback, never()).removeAutoGroup(anyString());
        verify(mCallback, never()).removeAutoGroupSummary(anyInt(), anyString(), anyString());
    }

    @Test
    @EnableFlags(FLAG_NOTIFICATION_FORCE_GROUPING)
    @DisableFlags(android.app.Flags.FLAG_CHECK_AUTOGROUP_BEFORE_POST)
    public void testUpdateAggregateSummary_postUngroupedAfterForcedGrouping_alwaysAutogroup() {
        final String pkg = "package";
        final String expectedGroupKey = GroupHelper.getFullAggregateGroupKey(pkg,
            AGGREGATE_GROUP_KEY + "AlertingSection", UserHandle.SYSTEM.getIdentifier());
        final List<NotificationRecord> notificationList = new ArrayList<>();
        final ArrayMap<String, NotificationRecord> summaryByGroup = new ArrayMap<>();
        // Post group notifications without summaries => force autogroup
        for (int i = 0; i < AUTOGROUP_AT_COUNT; i++) {
            NotificationRecord r = getNotificationRecord(pkg, i, String.valueOf(i),
                UserHandle.SYSTEM, "testGrp " + i, false);
            notificationList.add(r);
            mGroupHelper.onNotificationPostedWithDelay(r, notificationList, summaryByGroup);
        }
        verify(mCallback, times(1)).addAutoGroupSummary(anyInt(), eq(pkg), anyString(),
            eq(expectedGroupKey), anyInt(), eq(getNotificationAttributes(BASE_FLAGS)));
        verify(mCallback, times(AUTOGROUP_AT_COUNT)).addAutoGroup(anyString(),
            eq(expectedGroupKey), eq(true));
        verify(mCallback, never()).removeAutoGroup(anyString());
        verify(mCallback, never()).removeAutoGroupSummary(anyInt(), anyString(), anyString());
        verify(mCallback, never()).updateAutogroupSummary(anyInt(), anyString(), anyString(),
            any());

        reset(mCallback);

        // Post ungrouped notification => update autogroup
        final int id = AUTOGROUP_AT_COUNT;
        NotificationRecord r = getNotificationRecord(pkg, id, String.valueOf(id),
                UserHandle.SYSTEM);
        mGroupHelper.onNotificationPosted(r, true);

        verify(mCallback, times(1)).addAutoGroup(eq(r.getKey()),
                eq(expectedGroupKey), eq(true));
        verify(mCallback, times(1)).updateAutogroupSummary(anyInt(), eq(pkg),
                eq(expectedGroupKey), eq(getNotificationAttributes(BASE_FLAGS)));
        verify(mCallback, never()).addAutoGroupSummary(anyInt(), anyString(), anyString(),
                anyString(), anyInt(), any());
        verify(mCallback, never()).removeAutoGroup(anyString());
        verify(mCallback, never()).removeAutoGroupSummary(anyInt(), anyString(), anyString());
    }

    @Test
    @EnableFlags({FLAG_NOTIFICATION_FORCE_GROUPING,
            android.app.Flags.FLAG_CHECK_AUTOGROUP_BEFORE_POST})
    public void testUpdateAggregateSummary_postUngroupedAfterForcedGrouping() {
        final String pkg = "package";
        final String expectedGroupKey = GroupHelper.getFullAggregateGroupKey(pkg,
            AGGREGATE_GROUP_KEY + "AlertingSection", UserHandle.SYSTEM.getIdentifier());
        final List<NotificationRecord> notificationList = new ArrayList<>();
        final ArrayMap<String, NotificationRecord> summaryByGroup = new ArrayMap<>();
        // Post group notifications without summaries => force autogroup
        for (int i = 0; i < AUTOGROUP_AT_COUNT; i++) {
            NotificationRecord r = getNotificationRecord(pkg, i, String.valueOf(i),
                UserHandle.SYSTEM, "testGrp " + i, false);
            notificationList.add(r);
            mGroupHelper.onNotificationPostedWithDelay(r, notificationList, summaryByGroup);
        }
        verify(mCallback, times(1)).addAutoGroupSummary(anyInt(), eq(pkg), anyString(),
            eq(expectedGroupKey), anyInt(), eq(getNotificationAttributes(BASE_FLAGS)));
        verify(mCallback, times(AUTOGROUP_AT_COUNT)).addAutoGroup(anyString(),
            eq(expectedGroupKey), eq(true));
        verify(mCallback, never()).removeAutoGroup(anyString());
        verify(mCallback, never()).removeAutoGroupSummary(anyInt(), anyString(), anyString());
        verify(mCallback, never()).updateAutogroupSummary(anyInt(), anyString(), anyString(),
            any());

        reset(mCallback);

        // Post ungrouped notification => update autogroup
        final int id = AUTOGROUP_AT_COUNT;
        NotificationRecord r = getNotificationRecord(pkg, id, String.valueOf(id),
            UserHandle.SYSTEM);
        mGroupHelper.onNotificationPosted(r, true);

        verify(mCallback, times(1)).updateAutogroupSummary(anyInt(), eq(pkg),
            eq(expectedGroupKey), eq(getNotificationAttributes(BASE_FLAGS)));
        verify(mCallback, never()).addAutoGroup(anyString(), anyString(), anyBoolean());
        verify(mCallback, never()).addAutoGroupSummary(anyInt(), anyString(), anyString(),
            anyString(), anyInt(), any());
        verify(mCallback, never()).removeAutoGroup(anyString());
        verify(mCallback, never()).removeAutoGroupSummary(anyInt(), anyString(), anyString());
    }

    @Test
    @EnableFlags(FLAG_NOTIFICATION_FORCE_GROUPING)
    public void testUpdateAggregateSummary_postAfterForcedGrouping() {
        final String pkg = "package";
        final String expectedGroupKey = GroupHelper.getFullAggregateGroupKey(pkg,
            AGGREGATE_GROUP_KEY + "AlertingSection", UserHandle.SYSTEM.getIdentifier());
        final List<NotificationRecord> notificationList = new ArrayList<>();
        final ArrayMap<String, NotificationRecord> summaryByGroup = new ArrayMap<>();
        // Post group notifications w/o summaries and summaries w/o children => force autogrouping
        NotificationRecord r;
        for (int i = 0; i < AUTOGROUP_AT_COUNT; i++) {
            if (i % 2 == 0) {
                r = getNotificationRecord(pkg, i, String.valueOf(i), UserHandle.SYSTEM,
                    "testGrp " + i, true);
            } else {
                r = getNotificationRecord(pkg, i, String.valueOf(i), UserHandle.SYSTEM,
                    "testGrp " + i, false);
            }
            notificationList.add(r);
            mGroupHelper.onNotificationPostedWithDelay(r, notificationList, summaryByGroup);
        }

        // Post another notification after forced grouping
        final Icon icon = mock(Icon.class);
        when(icon.sameAs(icon)).thenReturn(true);
        final int iconColor = Color.BLUE;
        r = getNotificationRecord(
                getSbn(pkg, AUTOGROUP_AT_COUNT, String.valueOf(AUTOGROUP_AT_COUNT),
                    UserHandle.SYSTEM, "testGrp " + AUTOGROUP_AT_COUNT, icon, iconColor));

        notificationList.add(r);
        mGroupHelper.onNotificationPostedWithDelay(r, notificationList, summaryByGroup);

        verify(mCallback, times(1)).addAutoGroupSummary(anyInt(), eq(pkg), anyString(),
            eq(expectedGroupKey), anyInt(), eq(getNotificationAttributes(BASE_FLAGS)));
        verify(mCallback, times(AUTOGROUP_AT_COUNT + 1)).addAutoGroup(anyString(),
            eq(expectedGroupKey), eq(true));
        verify(mCallback, times(1)).updateAutogroupSummary(anyInt(), eq(pkg),
            eq(expectedGroupKey), any());
        verify(mCallback, never()).removeAutoGroup(anyString());
        verify(mCallback, never()).removeAutoGroupSummary(anyInt(), anyString(), anyString());
    }

    @Test
    @EnableFlags(FLAG_NOTIFICATION_FORCE_GROUPING)
    public void testRemoveAggregateSummary_removeAllNotifications() {
        final String pkg = "package";
        final String expectedGroupKey = GroupHelper.getFullAggregateGroupKey(pkg,
            AGGREGATE_GROUP_KEY + "AlertingSection", UserHandle.SYSTEM.getIdentifier());
        final List<NotificationRecord> notificationList = new ArrayList<>();
        final ArrayMap<String, NotificationRecord> summaryByGroup = new ArrayMap<>();
        // Post group notifications without summaries => force autogroup
        for (int i = 0; i < AUTOGROUP_AT_COUNT; i++) {
            NotificationRecord r = getNotificationRecord(pkg, i, String.valueOf(i),
                UserHandle.SYSTEM, "testGrp " + i, false);
            notificationList.add(r);
            mGroupHelper.onNotificationPostedWithDelay(r, notificationList, summaryByGroup);
        }
        verify(mCallback, times(1)).addAutoGroupSummary(anyInt(), eq(pkg), anyString(),
                eq(expectedGroupKey), anyInt(), eq(getNotificationAttributes(BASE_FLAGS)));
        verify(mCallback, times(AUTOGROUP_AT_COUNT)).addAutoGroup(anyString(),
                eq(expectedGroupKey), eq(true));
        verify(mCallback, never()).removeAutoGroup(anyString());
        verify(mCallback, never()).removeAutoGroupSummary(anyInt(), anyString(), anyString());
        verify(mCallback, never()).updateAutogroupSummary(anyInt(), anyString(), anyString(),
                any());
        Mockito.reset(mCallback);

        // Remove all posted notifications
        for (int i = 0; i < AUTOGROUP_AT_COUNT; i++) {
            NotificationRecord r = getNotificationRecord(pkg, i, String.valueOf(i),
                    UserHandle.SYSTEM, "testGrp " + i, false);
            r.setOverrideGroupKey(expectedGroupKey);
            mGroupHelper.onNotificationRemoved(r, notificationList, false);
        }
        // Check that the autogroup summary is removed
        verify(mCallback, times(1)).removeAutoGroupSummary(anyInt(), eq(pkg),
                eq(expectedGroupKey));
    }

    @Test
    @EnableFlags({FLAG_NOTIFICATION_FORCE_GROUPING, FLAG_NOTIFICATION_FORCE_GROUP_SINGLETONS})
    public void testRemoveChildNotification_summaryForceGrouped() {
        // Check that removing all child notifications from a group will trigger empty summary
        // force grouping re-evaluation
        final List<NotificationRecord> notificationList = new ArrayList<>();
        final ArrayMap<String, NotificationRecord> summaryByGroup = new ArrayMap<>();
        final String pkg = "package";
        // Post summaries without children, below the force grouping limit
        for (int i = 0; i < AUTOGROUP_AT_COUNT - 1; i++) {
            NotificationRecord summary = getNotificationRecord(pkg, i + 42, String.valueOf(i + 42),
                    UserHandle.SYSTEM, "testGrp " + i, true);
            notificationList.add(summary);
            mGroupHelper.onNotificationPostedWithDelay(summary, notificationList, summaryByGroup);
        }
        // Post a valid (full) group
        final int summaryId = 4242;
        final int numChildren = 3;
        final ArrayList<NotificationRecord> childrenToRemove = new ArrayList<>();
        NotificationRecord summary = getNotificationRecord(pkg, summaryId,
                String.valueOf(summaryId), UserHandle.SYSTEM, "testGrp " + summaryId, true);
        notificationList.add(summary);
        summaryByGroup.put(summary.getGroupKey(), summary);
        for (int i = 0; i < numChildren; i++) {
            NotificationRecord child = getNotificationRecord(pkg, summaryId + 42,
                    String.valueOf(i + 42), UserHandle.SYSTEM, "testGrp " + summaryId, false);
            notificationList.add(child);
            // schedule all children for removal
            childrenToRemove.add(child);
        }
        mGroupHelper.onNotificationPostedWithDelay(summary, notificationList, summaryByGroup);
        verifyNoMoreInteractions(mCallback);

        // Remove all child notifications from the valid group => summary without children
        Mockito.reset(mCallback);
        for (NotificationRecord r: childrenToRemove) {
            notificationList.remove(r);
            mGroupHelper.onNotificationRemoved(r, notificationList, false);
        }
        // Only call onGroupedNotificationRemovedWithDelay with the summary notification
        mGroupHelper.onGroupedNotificationRemovedWithDelay(summary, notificationList,
                summaryByGroup);

        // Check that the summaries were force grouped
        final String expectedGroupKey = GroupHelper.getFullAggregateGroupKey(pkg,
                AGGREGATE_GROUP_KEY + "AlertingSection", UserHandle.SYSTEM.getIdentifier());
        verify(mCallback, times(1)).addAutoGroupSummary(anyInt(), eq(pkg), anyString(),
                eq(expectedGroupKey), anyInt(), eq(getNotificationAttributes(BASE_FLAGS)));
        verify(mCallback, times(AUTOGROUP_AT_COUNT)).addAutoGroup(anyString(),
                eq(expectedGroupKey), eq(true));
        verify(mCallback, never()).removeAutoGroup(anyString());
        verify(mCallback, never()).removeAutoGroupSummary(anyInt(), anyString(), anyString());
        verify(mCallback, never()).updateAutogroupSummary(anyInt(), anyString(), anyString(),
                any());
    }

    @Test
    @EnableFlags({FLAG_NOTIFICATION_FORCE_GROUPING, FLAG_NOTIFICATION_FORCE_GROUP_SINGLETONS})
    public void testRemoveChildNotification_groupBecomesSingleton() {
        // Check that removing child notifications from a group will trigger singleton force
        // grouping re-evaluation
        final List<NotificationRecord> notificationList = new ArrayList<>();
        final ArrayMap<String, NotificationRecord> summaryByGroup = new ArrayMap<>();
        final String pkg = "package";
        // Post singleton groups, under forced group limit
        for (int i = 0; i < AUTOGROUP_SINGLETONS_AT_COUNT - 1; i++) {
            NotificationRecord summary = getNotificationRecord(pkg, i,
                    String.valueOf(i), UserHandle.SYSTEM, "testGrp " + i, true);
            notificationList.add(summary);
            NotificationRecord child = getNotificationRecord(pkg, i + 42,
                    String.valueOf(i + 42), UserHandle.SYSTEM, "testGrp " + i, false);
            notificationList.add(child);
            summaryByGroup.put(summary.getGroupKey(), summary);
            mGroupHelper.onNotificationPostedWithDelay(child, notificationList, summaryByGroup);
            mGroupHelper.onNotificationPostedWithDelay(summary, notificationList, summaryByGroup);
        }
        // Post a valid (full) group
        final int summaryId = 4242;
        final int numChildren = 3;
        final ArrayList<NotificationRecord> childrenToRemove = new ArrayList<>();
        NotificationRecord summary = getNotificationRecord(pkg, summaryId,
                String.valueOf(summaryId), UserHandle.SYSTEM, "testGrp " + summaryId, true);
        notificationList.add(summary);
        summaryByGroup.put(summary.getGroupKey(), summary);
        for (int i = 0; i < numChildren; i++) {
            NotificationRecord child = getNotificationRecord(pkg, summaryId + 42,
                    String.valueOf(i + 42), UserHandle.SYSTEM, "testGrp " + summaryId, false);
            notificationList.add(child);

            // schedule all children except one for removal
            if (i < numChildren - 1) {
                childrenToRemove.add(child);
            }
        }
        mGroupHelper.onNotificationPostedWithDelay(summary, notificationList, summaryByGroup);
        verifyNoMoreInteractions(mCallback);

        // Remove some child notifications from the valid group, transform into a singleton group
        Mockito.reset(mCallback);
        for (NotificationRecord r: childrenToRemove) {
            notificationList.remove(r);
            mGroupHelper.onNotificationRemoved(r, notificationList, false);
        }
        // Only call onGroupedNotificationRemovedWithDelay with the summary notification
        mGroupHelper.onGroupedNotificationRemovedWithDelay(summary, notificationList,
                summaryByGroup);

        // Check that the singleton groups were force grouped
        final String expectedGroupKey = GroupHelper.getFullAggregateGroupKey(pkg,
                AGGREGATE_GROUP_KEY + "AlertingSection", UserHandle.SYSTEM.getIdentifier());
        verify(mCallback, times(1)).addAutoGroupSummary(anyInt(), eq(pkg), anyString(),
                eq(expectedGroupKey), anyInt(), eq(getNotificationAttributes(BASE_FLAGS)));
        verify(mCallback, times(AUTOGROUP_SINGLETONS_AT_COUNT)).addAutoGroup(anyString(),
                eq(expectedGroupKey), eq(true));
        verify(mCallback, never()).removeAutoGroup(anyString());
        verify(mCallback, never()).removeAutoGroupSummary(anyInt(), anyString(), anyString());
        verify(mCallback, never()).updateAutogroupSummary(anyInt(), anyString(), anyString(),
                any());
        verify(mCallback, times(AUTOGROUP_SINGLETONS_AT_COUNT)).removeAppProvidedSummary(
                anyString());
    }

    @Test
    @EnableFlags({FLAG_NOTIFICATION_FORCE_GROUPING, FLAG_NOTIFICATION_FORCE_GROUP_SINGLETONS})
    public void testRemoveAllGroupNotifications_noForceGrouping() {
        // Check that removing all notifications from a group will not trigger any force grouping
        // re-evaluation
        final List<NotificationRecord> notificationList = new ArrayList<>();
        final ArrayMap<String, NotificationRecord> summaryByGroup = new ArrayMap<>();
        final String pkg = "package";
        // Post summaries without children, below the force grouping limit
        for (int i = 0; i < AUTOGROUP_AT_COUNT - 1; i++) {
            NotificationRecord summary = getNotificationRecord(pkg, i + 42, String.valueOf(i + 42),
                    UserHandle.SYSTEM, "testGrp " + i, true);
            notificationList.add(summary);
            mGroupHelper.onNotificationPostedWithDelay(summary, notificationList, summaryByGroup);
        }
        // Post a valid (full) group
        final int summaryId = 4242;
        final int numChildren = 3;
        final String groupToRemove = "testRemoveGrp";
        NotificationRecord summary = getNotificationRecord(pkg, summaryId,
                String.valueOf(summaryId), UserHandle.SYSTEM, groupToRemove + summaryId, true);
        notificationList.add(summary);
        summaryByGroup.put(summary.getGroupKey(), summary);
        for (int i = 0; i < numChildren; i++) {
            NotificationRecord child = getNotificationRecord(pkg, summaryId + 42,
                    String.valueOf(i + 42), UserHandle.SYSTEM, groupToRemove + summaryId, false);
            notificationList.add(child);
        }
        mGroupHelper.onNotificationPostedWithDelay(summary, notificationList, summaryByGroup);
        verifyNoMoreInteractions(mCallback);

        // Remove all child notifications from the valid group => summary without children
        Mockito.reset(mCallback);
        for (NotificationRecord r: notificationList) {
            if (r.getGroupKey().contains(groupToRemove)) {
                r.isCanceled = true;
                mGroupHelper.onNotificationRemoved(r, notificationList, false);
            }
        }
        // Only call onGroupedNotificationRemovedWithDelay with the summary notification
        mGroupHelper.onGroupedNotificationRemovedWithDelay(summary, notificationList,
                summaryByGroup);
        // Check that nothing was force grouped
        verifyNoMoreInteractions(mCallback);
    }

    @Test
    @EnableFlags({FLAG_NOTIFICATION_FORCE_GROUPING, FLAG_NOTIFICATION_FORCE_GROUP_SINGLETONS})
    public void testUpdateToUngroupableSection_cleanupUngrouped() {
        final String pkg = "package";
        // Post notification w/o group in a valid section
        NotificationRecord notification = spy(getNotificationRecord(pkg, 0, "", mUser,
                "", false, IMPORTANCE_LOW));
        Notification n = mock(Notification.class);
        StatusBarNotification sbn = spy(getSbn(pkg, 0, "0", UserHandle.SYSTEM));
        when(notification.getNotification()).thenReturn(n);
        when(notification.getSbn()).thenReturn(sbn);
        when(sbn.getNotification()).thenReturn(n);
        when(n.isStyle(Notification.CallStyle.class)).thenReturn(false);
        assertThat(GroupHelper.getSection(notification)).isNotNull();
        mGroupHelper.onNotificationPosted(notification, false);

        // Update notification to invalid section
        when(n.isStyle(Notification.CallStyle.class)).thenReturn(true);
        assertThat(GroupHelper.getSection(notification)).isNull();
        boolean needsAutogrouping = mGroupHelper.onNotificationPosted(notification, false);
        assertThat(needsAutogrouping).isFalse();

        // Check that GH internal state (ungrouped list) was cleaned-up
        // Post AUTOGROUP_AT_COUNT-1 notifications => should not autogroup
        for (int i = 0; i < AUTOGROUP_AT_COUNT - 1; i++) {
            int id = 42 + i;
            notification = getNotificationRecord(pkg, id, "" + id, mUser,
                null, false, IMPORTANCE_LOW);
            mGroupHelper.onNotificationPosted(notification, false);
        }

        verify(mCallback, never()).addAutoGroupSummary(anyInt(), anyString(), anyString(),
                anyString(), anyInt(), any());
        verify(mCallback, never()).addAutoGroup(anyString(), anyString(), anyBoolean());
    }

    @Test
    @EnableFlags({FLAG_NOTIFICATION_FORCE_GROUPING, FLAG_NOTIFICATION_FORCE_GROUP_SINGLETONS,
            android.app.Flags.FLAG_CHECK_AUTOGROUP_BEFORE_POST})
    public void testUpdateToUngroupableSection_afterAutogroup_isUngrouped() {
        final String pkg = "package";
        final List<NotificationRecord> notificationList = new ArrayList<>();
        // Post notification w/o group in a valid section
        for (int i = 0; i < AUTOGROUP_AT_COUNT; i++) {
            NotificationRecord notification = spy(getNotificationRecord(pkg, i, "" + i, mUser,
                    "", false, IMPORTANCE_LOW));
            Notification n = mock(Notification.class);
            StatusBarNotification sbn = spy(getSbn(pkg, i, "" + i, UserHandle.SYSTEM));
            when(notification.getNotification()).thenReturn(n);
            when(notification.getSbn()).thenReturn(sbn);
            when(sbn.getNotification()).thenReturn(n);
            when(n.isStyle(Notification.CallStyle.class)).thenReturn(false);
            assertThat(GroupHelper.getSection(notification)).isNotNull();
            mGroupHelper.onNotificationPosted(notification, false);
            notificationList.add(notification);
        }

        final String expectedGroupKey = GroupHelper.getFullAggregateGroupKey(pkg,
                AGGREGATE_GROUP_KEY + "SilentSection", UserHandle.SYSTEM.getIdentifier());
        verify(mCallback, times(1)).addAutoGroupSummary(anyInt(), eq(pkg), anyString(),
                eq(expectedGroupKey), anyInt(), any());
        verify(mCallback, times(AUTOGROUP_AT_COUNT - 1)).addAutoGroup(anyString(),
                eq(expectedGroupKey), eq(true));

        // Update a notification to invalid section
        Mockito.reset(mCallback);
        final NotificationRecord notifToInvalidate = notificationList.get(0);
        when(notifToInvalidate.getNotification().isStyle(Notification.CallStyle.class)).thenReturn(
                true);
        assertThat(GroupHelper.getSection(notifToInvalidate)).isNull();
        boolean needsAutogrouping = mGroupHelper.onNotificationPosted(notifToInvalidate, true);
        assertThat(needsAutogrouping).isFalse();

        // Check that the updated notification was removed from the autogroup
        verify(mCallback, times(1)).removeAutoGroup(eq(notifToInvalidate.getKey()));
        verify(mCallback, never()).removeAutoGroupSummary(anyInt(), anyString(), anyString());
        verify(mCallback, times(1)).updateAutogroupSummary(anyInt(), anyString(),
                eq(expectedGroupKey), any());
    }

    @Test
    @EnableFlags({FLAG_NOTIFICATION_FORCE_GROUPING, FLAG_NOTIFICATION_FORCE_GROUP_SINGLETONS,
            android.app.Flags.FLAG_CHECK_AUTOGROUP_BEFORE_POST})
    public void testUpdateToUngroupableSection_onRemoved_isUngrouped() {
        final String pkg = "package";
        final List<NotificationRecord> notificationList = new ArrayList<>();
        // Post notification w/o group in a valid section
        for (int i = 0; i < AUTOGROUP_AT_COUNT; i++) {
            NotificationRecord notification = spy(getNotificationRecord(pkg, i, "" + i, mUser,
                    "", false, IMPORTANCE_LOW));
            Notification n = mock(Notification.class);
            StatusBarNotification sbn = spy(getSbn(pkg, i, "" + i, UserHandle.SYSTEM));
            when(notification.getNotification()).thenReturn(n);
            when(notification.getSbn()).thenReturn(sbn);
            when(sbn.getNotification()).thenReturn(n);
            when(n.isStyle(Notification.CallStyle.class)).thenReturn(false);
            assertThat(GroupHelper.getSection(notification)).isNotNull();
            mGroupHelper.onNotificationPosted(notification, false);
            notificationList.add(notification);
        }

        final String expectedGroupKey = GroupHelper.getFullAggregateGroupKey(pkg,
                AGGREGATE_GROUP_KEY + "SilentSection", UserHandle.SYSTEM.getIdentifier());
        verify(mCallback, times(1)).addAutoGroupSummary(anyInt(), eq(pkg), anyString(),
                eq(expectedGroupKey), anyInt(), any());
        verify(mCallback, times(AUTOGROUP_AT_COUNT - 1)).addAutoGroup(anyString(),
                eq(expectedGroupKey), eq(true));

        // Update a notification to invalid section and removed it
        Mockito.reset(mCallback);
        final NotificationRecord notifToInvalidate = notificationList.get(0);
        when(notifToInvalidate.getNotification().isStyle(Notification.CallStyle.class)).thenReturn(
                true);
        assertThat(GroupHelper.getSection(notifToInvalidate)).isNull();
        notificationList.remove(notifToInvalidate);
        mGroupHelper.onNotificationRemoved(notifToInvalidate, notificationList, false);

        // Check that the autogroup was updated
        verify(mCallback, never()).removeAutoGroup(anyString());
        verify(mCallback, never()).removeAutoGroupSummary(anyInt(), anyString(), anyString());
        verify(mCallback, times(1)).updateAutogroupSummary(anyInt(), anyString(),
                eq(expectedGroupKey), any());
    }

    @Test
    @EnableFlags({FLAG_NOTIFICATION_FORCE_GROUPING, FLAG_NOTIFICATION_FORCE_GROUP_SINGLETONS})
    public void testUpdateToUngroupableSection_afterForceGrouping_isUngrouped() {
        final String pkg = "package";
        final String groupName = "testGroup";
        final List<NotificationRecord> notificationList = new ArrayList<>();
        final ArrayMap<String, NotificationRecord> summaryByGroup = new ArrayMap<>();
        // Post valid section summary notifications without children => force group
        for (int i = 0; i < AUTOGROUP_AT_COUNT; i++) {
            NotificationRecord notification = spy(getNotificationRecord(mPkg, i, "" + i, mUser,
                    groupName, true, IMPORTANCE_LOW));
            Notification n = mock(Notification.class);
            StatusBarNotification sbn = spy(getSbn(pkg, i, "" + i, UserHandle.SYSTEM, groupName));
            when(notification.getNotification()).thenReturn(n);
            when(notification.getSbn()).thenReturn(sbn);
            when(n.getGroup()).thenReturn(groupName);
            when(sbn.getNotification()).thenReturn(n);
            when(n.isStyle(Notification.CallStyle.class)).thenReturn(false);
            assertThat(GroupHelper.getSection(notification)).isNotNull();
            notificationList.add(notification);
            mGroupHelper.onNotificationPostedWithDelay(notification, notificationList,
                    summaryByGroup);
        }

        final String expectedGroupKey = GroupHelper.getFullAggregateGroupKey(pkg,
                AGGREGATE_GROUP_KEY + "SilentSection", UserHandle.SYSTEM.getIdentifier());
        verify(mCallback, times(1)).addAutoGroupSummary(anyInt(), eq(pkg), anyString(),
                eq(expectedGroupKey), anyInt(), any());
        verify(mCallback, times(AUTOGROUP_AT_COUNT)).addAutoGroup(anyString(),
                eq(expectedGroupKey), eq(true));

        // Update a notification to invalid section
        Mockito.reset(mCallback);
        final NotificationRecord notifToInvalidate = notificationList.get(0);
        when(notifToInvalidate.getNotification().isStyle(Notification.CallStyle.class)).thenReturn(
                true);
        assertThat(GroupHelper.getSection(notifToInvalidate)).isNull();
        boolean needsAutogrouping = mGroupHelper.onNotificationPosted(notifToInvalidate, true);
        assertThat(needsAutogrouping).isFalse();

        // Check that GH internal state (ungrouped list) was cleaned-up
        verify(mCallback, times(1)).removeAutoGroup(eq(notifToInvalidate.getKey()));
        verify(mCallback, never()).removeAutoGroupSummary(anyInt(), anyString(), anyString());
        verify(mCallback, times(1)).updateAutogroupSummary(anyInt(), anyString(),
                eq(expectedGroupKey), any());
    }

    @Test
    @EnableFlags({FLAG_NOTIFICATION_FORCE_GROUPING, FLAG_NOTIFICATION_FORCE_GROUP_SINGLETONS,
            android.app.Flags.FLAG_CHECK_AUTOGROUP_BEFORE_POST})
    public void testRepostWithNewChannel_afterAutogrouping_isRegrouped() {
        final String pkg = "package";
        final List<NotificationRecord> notificationList = new ArrayList<>();
        // Post ungrouped notifications => will be autogrouped
        for (int i = 0; i < AUTOGROUP_AT_COUNT; i++) {
            NotificationRecord notification = getNotificationRecord(pkg, i + 42,
                    String.valueOf(i + 42), UserHandle.SYSTEM, null, false);
            notificationList.add(notification);
            mGroupHelper.onNotificationPosted(notification, false);
        }

        final String expectedGroupKey = GroupHelper.getFullAggregateGroupKey(pkg,
                AGGREGATE_GROUP_KEY + "AlertingSection", UserHandle.SYSTEM.getIdentifier());
        verify(mCallback, times(1)).addAutoGroupSummary(anyInt(), eq(pkg), anyString(),
                eq(expectedGroupKey), anyInt(), any());
        verify(mCallback, times(AUTOGROUP_AT_COUNT - 1)).addAutoGroup(anyString(),
                eq(expectedGroupKey), eq(true));

        // Post ungrouped notifications to a different section, below autogroup limit
        Mockito.reset(mCallback);
        // Post ungrouped notifications => will be autogrouped
        final NotificationChannel silentChannel = new NotificationChannel("TEST_CHANNEL_ID1",
                "TEST_CHANNEL_ID1", IMPORTANCE_LOW);
        for (int i = 0; i < AUTOGROUP_AT_COUNT - 1; i++) {
            NotificationRecord notification = getNotificationRecord(pkg, i + 4242,
                    String.valueOf(i + 4242), UserHandle.SYSTEM, null, false, silentChannel);
            notificationList.add(notification);
            mGroupHelper.onNotificationPosted(notification, false);
        }

        verify(mCallback, never()).addAutoGroupSummary(anyInt(), anyString(), anyString(),
                anyString(), anyInt(), any());
        verify(mCallback, never()).addAutoGroup(anyString(), anyString(), anyBoolean());

        // Update a notification to a different channel that moves it to a different section
        Mockito.reset(mCallback);
        final NotificationRecord notifToInvalidate = notificationList.get(0);
        final NotificationSectioner initialSection = GroupHelper.getSection(notifToInvalidate);
        final NotificationChannel updatedChannel = new NotificationChannel("TEST_CHANNEL_ID2",
                "TEST_CHANNEL_ID2", IMPORTANCE_LOW);
        notifToInvalidate.updateNotificationChannel(updatedChannel);
        assertThat(GroupHelper.getSection(notifToInvalidate)).isNotEqualTo(initialSection);
        boolean needsAutogrouping = mGroupHelper.onNotificationPosted(notifToInvalidate, false);
        assertThat(needsAutogrouping).isTrue();

        // Check that the silent section was autogrouped
        final String silentSectionGroupKey = GroupHelper.getFullAggregateGroupKey(pkg,
                AGGREGATE_GROUP_KEY + "SilentSection", UserHandle.SYSTEM.getIdentifier());
        verify(mCallback, times(1)).addAutoGroupSummary(anyInt(), eq(pkg), anyString(),
                eq(silentSectionGroupKey), anyInt(), any());
        verify(mCallback, times(AUTOGROUP_AT_COUNT - 1)).addAutoGroup(anyString(),
                eq(silentSectionGroupKey), eq(true));
        verify(mCallback, times(1)).removeAutoGroup(eq(notifToInvalidate.getKey()));
        verify(mCallback, never()).removeAutoGroupSummary(anyInt(), anyString(), anyString());
        verify(mCallback, times(1)).updateAutogroupSummary(anyInt(), anyString(),
                eq(expectedGroupKey), any());
    }

    @Test
    @EnableFlags({FLAG_NOTIFICATION_FORCE_GROUPING, FLAG_NOTIFICATION_FORCE_GROUP_SINGLETONS,
            android.app.Flags.FLAG_CHECK_AUTOGROUP_BEFORE_POST})
    public void testRepostWithNewChannel_afterForceGrouping_isRegrouped() {
        final String pkg = "package";
        final String groupName = "testGroup";
        final List<NotificationRecord> notificationList = new ArrayList<>();
        final ArrayMap<String, NotificationRecord> summaryByGroup = new ArrayMap<>();
        // Post valid section summary notifications without children => force group
        for (int i = 0; i < AUTOGROUP_AT_COUNT; i++) {
            NotificationRecord notification = getNotificationRecord(pkg, i + 42,
                    String.valueOf(i + 42), UserHandle.SYSTEM, groupName, false);
            notificationList.add(notification);
            mGroupHelper.onNotificationPostedWithDelay(notification, notificationList,
                    summaryByGroup);
        }

        final String expectedGroupKey = GroupHelper.getFullAggregateGroupKey(pkg,
                AGGREGATE_GROUP_KEY + "AlertingSection", UserHandle.SYSTEM.getIdentifier());
        verify(mCallback, times(1)).addAutoGroupSummary(anyInt(), eq(pkg), anyString(),
                eq(expectedGroupKey), anyInt(), any());
        verify(mCallback, times(AUTOGROUP_AT_COUNT)).addAutoGroup(anyString(),
                eq(expectedGroupKey), eq(true));

        // Update a notification to a different channel that moves it to a different section
        Mockito.reset(mCallback);
        final NotificationRecord notifToInvalidate = notificationList.get(0);
        final NotificationSectioner initialSection = GroupHelper.getSection(notifToInvalidate);
        final NotificationChannel updatedChannel = new NotificationChannel("TEST_CHANNEL_ID2",
                "TEST_CHANNEL_ID2", IMPORTANCE_LOW);
        notifToInvalidate.updateNotificationChannel(updatedChannel);
        assertThat(GroupHelper.getSection(notifToInvalidate)).isNotEqualTo(initialSection);
        boolean needsAutogrouping = mGroupHelper.onNotificationPosted(notifToInvalidate, false);

        mGroupHelper.onNotificationPostedWithDelay(notifToInvalidate, notificationList,
                summaryByGroup);

        // Check that the updated notification is removed from the autogroup
        assertThat(needsAutogrouping).isFalse();
        verify(mCallback, times(1)).removeAutoGroup(eq(notifToInvalidate.getKey()));
        verify(mCallback, never()).removeAutoGroupSummary(anyInt(), anyString(), anyString());
        verify(mCallback, times(1)).updateAutogroupSummary(anyInt(), anyString(),
                eq(expectedGroupKey), any());

        // Post child notifications for the silent sectin => will be autogrouped
        Mockito.reset(mCallback);
        final NotificationChannel silentChannel = new NotificationChannel("TEST_CHANNEL_ID1",
                "TEST_CHANNEL_ID1", IMPORTANCE_LOW);
        for (int i = 0; i < AUTOGROUP_AT_COUNT - 1; i++) {
            NotificationRecord notification = getNotificationRecord(pkg, i + 4242,
                    String.valueOf(i + 4242), UserHandle.SYSTEM, "aGroup", false, silentChannel);
            notificationList.add(notification);
            needsAutogrouping = mGroupHelper.onNotificationPosted(notification, false);
            assertThat(needsAutogrouping).isFalse();
            mGroupHelper.onNotificationPostedWithDelay(notification, notificationList,
                    summaryByGroup);
        }

        // Check that the silent section was autogrouped
        final String silentSectionGroupKey = GroupHelper.getFullAggregateGroupKey(pkg,
                AGGREGATE_GROUP_KEY + "SilentSection", UserHandle.SYSTEM.getIdentifier());
        verify(mCallback, times(1)).addAutoGroupSummary(anyInt(), eq(pkg), anyString(),
                eq(silentSectionGroupKey), anyInt(), any());
        verify(mCallback, times(AUTOGROUP_AT_COUNT)).addAutoGroup(anyString(),
                eq(silentSectionGroupKey), eq(true));
    }

    @Test
    @EnableFlags(FLAG_NOTIFICATION_FORCE_GROUPING)
    public void testMoveAggregateGroups_updateChannel() {
        final String pkg = "package";
        final String expectedGroupKey_alerting = GroupHelper.getFullAggregateGroupKey(pkg,
            AGGREGATE_GROUP_KEY + "AlertingSection", UserHandle.SYSTEM.getIdentifier());
        final NotificationChannel channel = new NotificationChannel(TEST_CHANNEL_ID,
                TEST_CHANNEL_ID, IMPORTANCE_DEFAULT);
        final List<NotificationRecord> notificationList = new ArrayList<>();
        final ArrayMap<String, NotificationRecord> summaryByGroup = new ArrayMap<>();
        // Post group notifications without summaries => force autogroup
        for (int i = 0; i < AUTOGROUP_AT_COUNT; i++) {
            NotificationRecord r = getNotificationRecord(pkg, i, String.valueOf(i),
                    UserHandle.SYSTEM, "testGrp " + i, false, channel);
            notificationList.add(r);
            mGroupHelper.onNotificationPostedWithDelay(r, notificationList, summaryByGroup);
        }
        verify(mCallback, times(1)).addAutoGroupSummary(anyInt(), eq(pkg), anyString(),
                eq(expectedGroupKey_alerting), anyInt(), eq(getNotificationAttributes(BASE_FLAGS)));
        verify(mCallback, times(AUTOGROUP_AT_COUNT)).addAutoGroup(anyString(),
                eq(expectedGroupKey_alerting), eq(true));
        verify(mCallback, never()).removeAutoGroup(anyString());
        verify(mCallback, never()).removeAutoGroupSummary(anyInt(), anyString(), anyString());
        verify(mCallback, never()).updateAutogroupSummary(anyInt(), anyString(), anyString(),
            any());
        Mockito.reset(mCallback);

        // Update the channel importance for all posted notifications
        final String expectedGroupKey_silent = GroupHelper.getFullAggregateGroupKey(pkg,
            AGGREGATE_GROUP_KEY + "SilentSection", UserHandle.SYSTEM.getIdentifier());
        channel.setImportance(IMPORTANCE_LOW);
        for (NotificationRecord r: notificationList) {
            r.updateNotificationChannel(channel);
        }
        mGroupHelper.onChannelUpdated(UserHandle.SYSTEM.getIdentifier(), pkg, channel,
                notificationList, summaryByGroup);

        // Check that all notifications are moved to the silent section group
        verify(mCallback, times(1)).addAutoGroupSummary(anyInt(), eq(pkg), anyString(),
                eq(expectedGroupKey_silent), anyInt(), eq(getNotificationAttributes(BASE_FLAGS)));
        verify(mCallback, times(AUTOGROUP_AT_COUNT)).addAutoGroup(anyString(),
                eq(expectedGroupKey_silent), eq(true));

        // Check that the alerting section group is removed
        verify(mCallback, times(1)).removeAutoGroupSummary(anyInt(), eq(pkg),
                eq(expectedGroupKey_alerting));
        verify(mCallback, never()).updateAutogroupSummary(anyInt(), anyString(), anyString(),
                any());
    }

    @Test
    @EnableFlags(FLAG_NOTIFICATION_FORCE_GROUPING)
    @DisableFlags(FLAG_NOTIFICATION_REGROUP_ON_CLASSIFICATION)
    public void testMoveAggregateGroups_updateChannel_multipleChannels() {
        final String pkg = "package";
        final String expectedGroupKey_alerting = GroupHelper.getFullAggregateGroupKey(pkg,
            AGGREGATE_GROUP_KEY + "AlertingSection", UserHandle.SYSTEM.getIdentifier());
        final NotificationChannel channel1 = new NotificationChannel("TEST_CHANNEL_ID1",
            "TEST_CHANNEL_ID1", IMPORTANCE_DEFAULT);
        final NotificationChannel channel2 = new NotificationChannel("TEST_CHANNEL_ID2",
            "TEST_CHANNEL_ID2", IMPORTANCE_DEFAULT);
        final List<NotificationRecord> notificationList = new ArrayList<>();
        final ArrayMap<String, NotificationRecord> summaryByGroup = new ArrayMap<>();
        // Post notifications with different channels that autogroup within the same section
        NotificationRecord r;
        for (int i = 0; i < AUTOGROUP_AT_COUNT; i++) {
            if (i % 2 == 0) {
                r = getNotificationRecord(pkg, i, String.valueOf(i),
                        UserHandle.SYSTEM, "testGrp " + i, false, channel1);
            } else {
                r = getNotificationRecord(pkg, i, String.valueOf(i),
                        UserHandle.SYSTEM, "testGrp " + i, false, channel2);
            }
            notificationList.add(r);
            mGroupHelper.onNotificationPostedWithDelay(r, notificationList, summaryByGroup);
        }
        NotificationAttributes expectedSummaryAttr = new NotificationAttributes(BASE_FLAGS,
                mSmallIcon, COLOR_DEFAULT, DEFAULT_VISIBILITY, DEFAULT_GROUP_ALERT,
                "TEST_CHANNEL_ID1");
        verify(mCallback, times(1)).addAutoGroupSummary(anyInt(), eq(pkg), anyString(),
                eq(expectedGroupKey_alerting), anyInt(), eq(expectedSummaryAttr));
        verify(mCallback, times(AUTOGROUP_AT_COUNT)).addAutoGroup(anyString(),
                eq(expectedGroupKey_alerting), eq(true));
        verify(mCallback, never()).removeAutoGroup(anyString());
        verify(mCallback, never()).removeAutoGroupSummary(anyInt(), anyString(), anyString());
        verify(mCallback, never()).updateAutogroupSummary(anyInt(), anyString(), anyString(),
                any());
        Mockito.reset(mCallback);

        // Update channel1's importance
        final String expectedGroupKey_silent = GroupHelper.getFullAggregateGroupKey(pkg,
            AGGREGATE_GROUP_KEY + "SilentSection", UserHandle.SYSTEM.getIdentifier());
        channel1.setImportance(IMPORTANCE_LOW);
        for (NotificationRecord record: notificationList) {
            if (record.getChannel().getId().equals(channel1.getId())) {
                record.updateNotificationChannel(channel1);
            }
        }
        mGroupHelper.onChannelUpdated(UserHandle.SYSTEM.getIdentifier(), pkg, channel1,
                notificationList, summaryByGroup);

        // Check that the override group key was cleared
        for (NotificationRecord record: notificationList) {
            if (record.getChannel().getId().equals(channel1.getId())) {
                assertThat(record.getSbn().getOverrideGroupKey()).isNull();
            }
        }
        // Check that channel1's notifications are moved to the silent section group
        // and a group summary is created + notifications are added to the group
        verify(mCallback, never()).addAutoGroupSummary(anyInt(), eq(pkg), anyString(), anyString(),
                anyInt(), any());
        verify(mCallback, never()).addAutoGroup(anyString(), anyString(), anyBoolean());

        // Check that the alerting section group is not removed, only updated
        expectedSummaryAttr = new NotificationAttributes(BASE_FLAGS,
            mSmallIcon, COLOR_DEFAULT, DEFAULT_VISIBILITY, DEFAULT_GROUP_ALERT,
            "TEST_CHANNEL_ID2");
        verify(mCallback, never()).removeAutoGroupSummary(anyInt(), eq(pkg),
                eq(expectedGroupKey_alerting));
        verify(mCallback, times(1)).updateAutogroupSummary(anyInt(), eq(pkg),
                eq(expectedGroupKey_alerting), eq(expectedSummaryAttr));
    }

    @Test
    @EnableFlags({FLAG_NOTIFICATION_FORCE_GROUPING,
            FLAG_NOTIFICATION_CLASSIFICATION,
            FLAG_NOTIFICATION_REGROUP_ON_CLASSIFICATION})
    public void testMoveAggregateGroups_updateChannel_multipleChannels_regroupOnClassifEnabled() {
        final String pkg = "package";
        final String expectedGroupKey_alerting = GroupHelper.getFullAggregateGroupKey(pkg,
                AGGREGATE_GROUP_KEY + "AlertingSection", UserHandle.SYSTEM.getIdentifier());
        final int numNotifications = 2 * AUTOGROUP_AT_COUNT;
        int numNotificationChannel1 = 0;
        final NotificationChannel channel1 = new NotificationChannel("TEST_CHANNEL_ID1",
                "TEST_CHANNEL_ID1", IMPORTANCE_DEFAULT);
        final NotificationChannel channel2 = new NotificationChannel("TEST_CHANNEL_ID2",
                "TEST_CHANNEL_ID2", IMPORTANCE_DEFAULT);
        final List<NotificationRecord> notificationList = new ArrayList<>();
        final ArrayMap<String, NotificationRecord> summaryByGroup = new ArrayMap<>();
        // Post notifications with different channels that autogroup within the same section
        NotificationRecord r;
        for (int i = 0; i < numNotifications; i++) {
            if (i % 2 == 0) {
                r = getNotificationRecord(pkg, i, String.valueOf(i),
                        UserHandle.SYSTEM, "testGrp " + i, false, channel1);
                numNotificationChannel1++;
            } else {
                r = getNotificationRecord(pkg, i, String.valueOf(i),
                        UserHandle.SYSTEM, "testGrp " + i, false, channel2);
            }
            notificationList.add(r);
            mGroupHelper.onNotificationPostedWithDelay(r, notificationList, summaryByGroup);
        }
        NotificationAttributes expectedSummaryAttr = new NotificationAttributes(BASE_FLAGS,
                mSmallIcon, COLOR_DEFAULT, DEFAULT_VISIBILITY, DEFAULT_GROUP_ALERT,
                "TEST_CHANNEL_ID1");
        verify(mCallback, times(1)).addAutoGroupSummary(anyInt(), eq(pkg), anyString(),
                eq(expectedGroupKey_alerting), anyInt(), eq(expectedSummaryAttr));
        verify(mCallback, times(numNotifications)).addAutoGroup(anyString(),
                eq(expectedGroupKey_alerting), eq(true));
        verify(mCallback, never()).removeAutoGroup(anyString());
        verify(mCallback, never()).removeAutoGroupSummary(anyInt(), anyString(), anyString());
        verify(mCallback, times(numNotifications - AUTOGROUP_AT_COUNT)).updateAutogroupSummary(
                anyInt(), anyString(), anyString(), any());
        Mockito.reset(mCallback);

        // Update channel1's importance
        final String expectedGroupKey_silent = GroupHelper.getFullAggregateGroupKey(pkg,
                AGGREGATE_GROUP_KEY + "SilentSection", UserHandle.SYSTEM.getIdentifier());
        channel1.setImportance(IMPORTANCE_LOW);
        for (NotificationRecord record: notificationList) {
            if (record.getChannel().getId().equals(channel1.getId())) {
                record.updateNotificationChannel(channel1);
            }
        }
        mGroupHelper.onChannelUpdated(UserHandle.SYSTEM.getIdentifier(), pkg, channel1,
                notificationList, summaryByGroup);

        // Check that the override group key was cleared
        for (NotificationRecord record: notificationList) {
            if (record.getChannel().getId().equals(channel1.getId())) {
                assertThat(record.getSbn().getOverrideGroupKey()).isNull();
            }
        }
        // Check that channel1's notifications are moved to the silent section group
        // and a group summary is created + notifications are added to the group
        verify(mCallback, times(1)).addAutoGroupSummary(anyInt(), eq(pkg), anyString(),
                eq(expectedGroupKey_silent), anyInt(), any());
        verify(mCallback, times(numNotificationChannel1)).addAutoGroup(anyString(),
                eq(expectedGroupKey_silent), anyBoolean());

        // Check that the alerting section group is not removed, only updated
        expectedSummaryAttr = new NotificationAttributes(BASE_FLAGS,
                mSmallIcon, COLOR_DEFAULT, DEFAULT_VISIBILITY, DEFAULT_GROUP_ALERT,
                "TEST_CHANNEL_ID2");
        verify(mCallback, never()).removeAutoGroupSummary(anyInt(), eq(pkg),
                eq(expectedGroupKey_alerting));
        verify(mCallback, times(1)).updateAutogroupSummary(anyInt(), eq(pkg),
                eq(expectedGroupKey_alerting), eq(expectedSummaryAttr));
    }

    @Test
    @EnableFlags({FLAG_NOTIFICATION_FORCE_GROUPING,
            FLAG_NOTIFICATION_CLASSIFICATION,
            FLAG_NOTIFICATION_REGROUP_ON_CLASSIFICATION})
    public void testMoveSections_notificationBundled() {
        final List<NotificationRecord> notificationList = new ArrayList<>();
        final String pkg = "package";
        final int summaryId = 0;
        final int numChildNotif = 2 * AUTOGROUP_AT_COUNT;

        // Create an app-provided group: summary + child notifications
        final NotificationChannel channel1 = new NotificationChannel("TEST_CHANNEL_ID1",
                "TEST_CHANNEL_ID1", IMPORTANCE_DEFAULT);
        NotificationRecord summary = getNotificationRecord(pkg, summaryId,
                String.valueOf(summaryId), UserHandle.SYSTEM, "testGrp " + summaryId,
                true, channel1);
        notificationList.add(summary);
        final String originalAppGroupKey = summary.getGroupKey();
        for (int i = 0; i < numChildNotif; i++) {
            NotificationRecord child = getNotificationRecord(pkg, i + 42, String.valueOf(i + 42),
                    UserHandle.SYSTEM, "testGrp " + summaryId, false, channel1);
            notificationList.add(child);
        }

        // Classify/bundle child notifications
        final NotificationChannel socialChannel = new NotificationChannel(
                NotificationChannel.SOCIAL_MEDIA_ID, NotificationChannel.SOCIAL_MEDIA_ID,
                IMPORTANCE_LOW);
        final String expectedGroupKey_social = GroupHelper.getFullAggregateGroupKey(pkg,
                AGGREGATE_GROUP_KEY + "SocialSection", UserHandle.SYSTEM.getIdentifier());
        final NotificationAttributes expectedSummaryAttr_social = new NotificationAttributes(
                BASE_FLAGS, mSmallIcon, COLOR_DEFAULT, DEFAULT_VISIBILITY, DEFAULT_GROUP_ALERT,
                NotificationChannel.SOCIAL_MEDIA_ID);
        final NotificationChannel newsChannel = new NotificationChannel(
                NotificationChannel.NEWS_ID, NotificationChannel.NEWS_ID,
                IMPORTANCE_LOW);
        final String expectedGroupKey_news = GroupHelper.getFullAggregateGroupKey(pkg,
                AGGREGATE_GROUP_KEY + "NewsSection", UserHandle.SYSTEM.getIdentifier());
        final NotificationAttributes expectedSummaryAttr_news = new NotificationAttributes(
                BASE_FLAGS, mSmallIcon, COLOR_DEFAULT, DEFAULT_VISIBILITY, DEFAULT_GROUP_ALERT,
                NotificationChannel.NEWS_ID);
        for (NotificationRecord record: notificationList) {
            if (record.getChannel().getId().equals(channel1.getId())
                    && record.getNotification().isGroupChild()
                    && record.getSbn().getId() % 2 == 0) {
                record.updateNotificationChannel(socialChannel);
                mGroupHelper.onChannelUpdated(record);
            }
            if (record.getChannel().getId().equals(channel1.getId())
                    && record.getNotification().isGroupChild()
                    && record.getSbn().getId() % 2 != 0) {
                record.updateNotificationChannel(newsChannel);
                mGroupHelper.onChannelUpdated(record);
            }
        }

        // Check that 2 autogroup summaries were created for the news & social sections
        verify(mCallback, times(1)).addAutoGroupSummary(anyInt(), eq(pkg), anyString(),
                eq(expectedGroupKey_social), anyInt(), eq(expectedSummaryAttr_social));
        verify(mCallback, times(1)).addAutoGroupSummary(anyInt(), eq(pkg), anyString(),
                eq(expectedGroupKey_news), anyInt(), eq(expectedSummaryAttr_news));
        // Check that half of the child notifications were grouped in each new section
        verify(mCallback, times(numChildNotif / 2)).addAutoGroup(anyString(),
                eq(expectedGroupKey_news), eq(true));
        verify(mCallback, times(numChildNotif / 2)).addAutoGroup(anyString(),
                eq(expectedGroupKey_social), eq(true));
        verify(mCallback, never()).removeAutoGroup(anyString());
        verify(mCallback, never()).removeAutoGroupSummary(anyInt(), anyString(), anyString());
        verify(mCallback, never()).updateAutogroupSummary(anyInt(), anyString(), anyString(),
                any());
        verify(mCallback, times(numChildNotif)).removeAppProvidedSummaryOnClassification(
                anyString(), eq(originalAppGroupKey));
    }

    @Test
    @EnableFlags({FLAG_NOTIFICATION_FORCE_GROUPING,
            FLAG_NOTIFICATION_CLASSIFICATION,
            FLAG_NOTIFICATION_REGROUP_ON_CLASSIFICATION})
    public void testCacheAndCancelAppSummary_notificationBundled() {
        // check that the original app summary is canceled & cached on classification regrouping
        final List<NotificationRecord> notificationList = new ArrayList<>();
        final String pkg = "package";
        final int summaryId = 0;
        final int numChildNotif = 4;

        // Create an app-provided group: summary + child notifications
        final NotificationChannel channel1 = new NotificationChannel("TEST_CHANNEL_ID1",
                "TEST_CHANNEL_ID1", IMPORTANCE_DEFAULT);
        NotificationRecord summary = getNotificationRecord(pkg, summaryId,
                String.valueOf(summaryId), UserHandle.SYSTEM, "testGrp " + summaryId,
                true, channel1);
        notificationList.add(summary);
        final String originalAppGroupKey = summary.getGroupKey();
        final String originalAppGroupName = summary.getNotification().getGroup();
        for (int i = 0; i < numChildNotif; i++) {
            NotificationRecord child = getNotificationRecord(pkg, i + 42, String.valueOf(i + 42),
                    UserHandle.SYSTEM, "testGrp " + summaryId, false, channel1);
            notificationList.add(child);
        }

        // Last regrouped notification will trigger summary cancellation in NMS
        when(mCallback.removeAppProvidedSummaryOnClassification(anyString(),
                eq(originalAppGroupKey))).thenReturn(summary);

        // Classify/bundle child notifications
        final NotificationChannel socialChannel = new NotificationChannel(
                NotificationChannel.SOCIAL_MEDIA_ID, NotificationChannel.SOCIAL_MEDIA_ID,
                IMPORTANCE_LOW);
        for (NotificationRecord record: notificationList) {
            if (record.getChannel().getId().equals(channel1.getId())
                    && record.getNotification().isGroupChild()) {
                record.updateNotificationChannel(socialChannel);
                mGroupHelper.onChannelUpdated(record);
            }
        }

        // Check that the original app summary was cached
        CachedSummary cachedSummary = mGroupHelper.findCanceledSummary(pkg,
                String.valueOf(summaryId), summaryId, UserHandle.SYSTEM.getIdentifier());
        assertThat(cachedSummary.originalGroupKey()).isEqualTo(originalAppGroupName);
        assertThat(cachedSummary.key()).isEqualTo(summary.getKey());

        // App cancels the original summary
        reset(mCallback);
        mGroupHelper.maybeCancelGroupChildrenForCanceledSummary(pkg, String.valueOf(summaryId),
                summaryId, UserHandle.SYSTEM.getIdentifier(), REASON_APP_CANCEL);
        // Check that child notifications are removed and cache is cleared
        verify(mCallback, times(1)).removeNotificationFromCanceledGroup(
                eq(UserHandle.SYSTEM.getIdentifier()), eq(pkg), eq(originalAppGroupName),
                eq(REASON_APP_CANCEL));
        cachedSummary = mGroupHelper.findCanceledSummary(pkg, String.valueOf(summaryId), summaryId,
                UserHandle.SYSTEM.getIdentifier());
        assertThat(cachedSummary).isNull();
    }

    @Test
    @EnableFlags({FLAG_NOTIFICATION_FORCE_GROUPING,
            FLAG_NOTIFICATION_CLASSIFICATION,
            FLAG_NOTIFICATION_REGROUP_ON_CLASSIFICATION,
            FLAG_NOTIFICATION_FORCE_GROUP_SINGLETONS})
    public void testSingletonGroupsRegrouped_notificationBundledBeforeDelayTimeout() {
        // Check that singleton group notifications are regrouped if classification is done
        // before onNotificationPostedWithDelay
        final List<NotificationRecord> notificationList = new ArrayList<>();
        final ArrayMap<String, NotificationRecord> summaryByGroup = new ArrayMap<>();
        final String pkg = "package";
        final int numChildNotifications = AUTOGROUP_AT_COUNT;

        // Post singleton groups, above forced group limit
        for (int i = 0; i < numChildNotifications; i++) {
            NotificationRecord summary = getNotificationRecord(pkg, i,
                    String.valueOf(i), UserHandle.SYSTEM, "testGrp " + i, true);
            notificationList.add(summary);
            NotificationRecord child = getNotificationRecord(pkg, i + 42, String.valueOf(i + 42),
                    UserHandle.SYSTEM, "testGrp " + i, false);
            notificationList.add(child);
            summaryByGroup.put(summary.getGroupKey(), summary);
        }

        // Classify/bundle child notifications
        final NotificationChannel socialChannel = new NotificationChannel(
                NotificationChannel.SOCIAL_MEDIA_ID, NotificationChannel.SOCIAL_MEDIA_ID,
                IMPORTANCE_LOW);
        final String expectedGroupKey_social = GroupHelper.getFullAggregateGroupKey(pkg,
                AGGREGATE_GROUP_KEY + "SocialSection", UserHandle.SYSTEM.getIdentifier());
        final NotificationAttributes expectedSummaryAttr_social = new NotificationAttributes(
                BASE_FLAGS, mSmallIcon, COLOR_DEFAULT, DEFAULT_VISIBILITY, DEFAULT_GROUP_ALERT,
                NotificationChannel.SOCIAL_MEDIA_ID);
        for (NotificationRecord record: notificationList) {
            if (record.getOriginalGroupKey().contains("testGrp")
                    && record.getNotification().isGroupChild()) {
                record.updateNotificationChannel(socialChannel);
                mGroupHelper.onChannelUpdated(record);
            }
        }

        // Check that notifications are forced grouped and app-provided summaries are canceled
        verify(mCallback, times(1)).addAutoGroupSummary(anyInt(), eq(pkg), anyString(),
                eq(expectedGroupKey_social), anyInt(), eq(expectedSummaryAttr_social));
        verify(mCallback, times(numChildNotifications)).addAutoGroup(anyString(),
                eq(expectedGroupKey_social), eq(true));
        verify(mCallback, never()).removeAutoGroup(anyString());
        verify(mCallback, never()).removeAutoGroupSummary(anyInt(), anyString(), anyString());
        verify(mCallback, never()).updateAutogroupSummary(anyInt(), anyString(), anyString(),
                any());
        verify(mCallback, times(numChildNotifications)).removeAppProvidedSummaryOnClassification(
                anyString(), anyString());

        // Adjust group key and cancel summaries
        for (NotificationRecord record: notificationList) {
            if (record.getNotification().isGroupSummary()) {
                record.isCanceled = true;
            } else {
                record.setOverrideGroupKey(expectedGroupKey_social);
            }
        }

        // Check that after onNotificationPostedWithDelay there is no change in the grouping
        reset(mCallback);
        for (NotificationRecord record: notificationList) {
            mGroupHelper.onNotificationPostedWithDelay(record, notificationList, summaryByGroup);
        }

        verify(mCallback, never()).addAutoGroupSummary(anyInt(), anyString(), anyString(),
                anyString(), anyInt(), any());
        verify(mCallback, never()).addAutoGroup(anyString(), anyString(), anyBoolean());
        verify(mCallback, never()).removeAutoGroup(anyString());
        verify(mCallback, never()).removeAutoGroupSummary(anyInt(), anyString(), anyString());
        verify(mCallback, never()).updateAutogroupSummary(anyInt(), anyString(), anyString(),
                any());
    }

    @Test
    @EnableFlags({FLAG_NOTIFICATION_FORCE_GROUPING,
            FLAG_NOTIFICATION_CLASSIFICATION,
            FLAG_NOTIFICATION_REGROUP_ON_CLASSIFICATION,
            FLAG_NOTIFICATION_FORCE_GROUP_SINGLETONS})
    public void testSingletonGroupsRegrouped_notificationBundledAfterDelayTimeout() {
        // Check that singleton group notifications are regrouped if classification is done
        // after onNotificationPostedWithDelay
        final List<NotificationRecord> notificationList = new ArrayList<>();
        final ArrayMap<String, NotificationRecord> summaryByGroup = new ArrayMap<>();
        final String pkg = "package";
        final String expectedGroupKey_alerting = GroupHelper.getFullAggregateGroupKey(pkg,
                AGGREGATE_GROUP_KEY + "AlertingSection", UserHandle.SYSTEM.getIdentifier());
        String expectedTriggeringKey = null;
        // Post singleton groups, above forced group limit
        for (int i = 0; i < AUTOGROUP_AT_COUNT; i++) {
            NotificationRecord summary = getNotificationRecord(pkg, i,
                    String.valueOf(i), UserHandle.SYSTEM, "testGrp " + i, true);
            notificationList.add(summary);
            NotificationRecord child = getNotificationRecord(pkg, i + 42,
                    String.valueOf(i + 42), UserHandle.SYSTEM, "testGrp " + i, false);
            notificationList.add(child);
            if (i == AUTOGROUP_SINGLETONS_AT_COUNT - 1) {
                expectedTriggeringKey = child.getKey();
            }
            summaryByGroup.put(summary.getGroupKey(), summary);
            mGroupHelper.onNotificationPostedWithDelay(child, notificationList, summaryByGroup);
            summary.isCanceled = true;  // simulate removing the app summary
            mGroupHelper.onNotificationPostedWithDelay(summary, notificationList, summaryByGroup);
        }

        // Check that notifications are forced grouped and app-provided summaries are canceled
        verify(mCallback, times(1)).addAutoGroupSummary(anyInt(), eq(pkg),
                eq(expectedTriggeringKey), eq(expectedGroupKey_alerting), anyInt(),
                eq(getNotificationAttributes(BASE_FLAGS)));
        verify(mCallback, never()).removeAutoGroup(anyString());
        verify(mCallback, never()).removeAutoGroupSummary(anyInt(), anyString(), anyString());
        assertThat(mGroupHelper.findCanceledSummary(pkg, String.valueOf(0), 0,
                UserHandle.SYSTEM.getIdentifier())).isNotNull();
        assertThat(mGroupHelper.findCanceledSummary(pkg, String.valueOf(1), 1,
                UserHandle.SYSTEM.getIdentifier())).isNotNull();

        // Classify/bundle child notifications
        reset(mCallback);
        final NotificationChannel socialChannel = new NotificationChannel(
                NotificationChannel.SOCIAL_MEDIA_ID, NotificationChannel.SOCIAL_MEDIA_ID,
                IMPORTANCE_LOW);
        final String expectedGroupKey_social = GroupHelper.getFullAggregateGroupKey(pkg,
                AGGREGATE_GROUP_KEY + "SocialSection", UserHandle.SYSTEM.getIdentifier());
        final NotificationAttributes expectedSummaryAttr_social = new NotificationAttributes(
                BASE_FLAGS, mSmallIcon, COLOR_DEFAULT, DEFAULT_VISIBILITY, DEFAULT_GROUP_ALERT,
                NotificationChannel.SOCIAL_MEDIA_ID);
        for (NotificationRecord record: notificationList) {
            if (record.getOriginalGroupKey().contains("testGrp")
                    && record.getNotification().isGroupChild()) {
                record.updateNotificationChannel(socialChannel);
                mGroupHelper.onChannelUpdated(record);
            }
        }

        // Check that all notifications are moved to the social section group
        verify(mCallback, times(1)).addAutoGroupSummary(anyInt(), eq(pkg), anyString(),
                eq(expectedGroupKey_social), anyInt(), eq(expectedSummaryAttr_social));
        verify(mCallback, times(AUTOGROUP_AT_COUNT)).addAutoGroup(anyString(),
                eq(expectedGroupKey_social), eq(true));
        // Check that the alerting section group is removed
        verify(mCallback, times(1)).removeAutoGroupSummary(anyInt(), eq(pkg),
                eq(expectedGroupKey_alerting));
        verify(mCallback, times(AUTOGROUP_AT_COUNT - 1)).updateAutogroupSummary(anyInt(),
                anyString(), anyString(), any());
    }

    @Test
    @EnableFlags({FLAG_NOTIFICATION_FORCE_GROUPING,
            FLAG_NOTIFICATION_REGROUP_ON_CLASSIFICATION,
            FLAG_NOTIFICATION_CLASSIFICATION})
    public void testValidGroupsRegrouped_notificationBundledWhileEnqueued() {
        // Check that valid group notifications are regrouped if classification is done
        // before onNotificationPostedWithDelay (within DELAY_FOR_ASSISTANT_TIME)
        final List<NotificationRecord> notificationList = new ArrayList<>();
        final ArrayMap<String, NotificationRecord> summaryByGroup = new ArrayMap<>();
        final String pkg = "package";

        final int summaryId = 0;
        final int numChildren = AUTOGROUP_AT_COUNT;
        // Post a regular/valid group: summary + notifications
        NotificationRecord summary = getNotificationRecord(pkg, summaryId,
                String.valueOf(summaryId), UserHandle.SYSTEM, "testGrp", true);
        notificationList.add(summary);
        summaryByGroup.put(summary.getGroupKey(), summary);
        for (int i = 0; i < numChildren; i++) {
            NotificationRecord child = getNotificationRecord(pkg, i + 42, String.valueOf(i + 42),
                    UserHandle.SYSTEM, "testGrp", false);
            notificationList.add(child);
        }

        // Classify/bundle child notifications. Don't call onChannelUpdated,
        // adjustments applied while enqueued will use NotificationAdjustmentExtractor.
        final NotificationChannel socialChannel = new NotificationChannel(
                NotificationChannel.SOCIAL_MEDIA_ID, NotificationChannel.SOCIAL_MEDIA_ID,
                IMPORTANCE_LOW);
        final String expectedGroupKey_social = GroupHelper.getFullAggregateGroupKey(pkg,
                AGGREGATE_GROUP_KEY + "SocialSection", UserHandle.SYSTEM.getIdentifier());
        final NotificationAttributes expectedSummaryAttr_social = new NotificationAttributes(
                BASE_FLAGS, mSmallIcon, COLOR_DEFAULT, DEFAULT_VISIBILITY, DEFAULT_GROUP_ALERT,
                NotificationChannel.SOCIAL_MEDIA_ID);
        for (NotificationRecord record: notificationList) {
            if (record.getOriginalGroupKey().contains("testGrp")
                    && record.getNotification().isGroupChild()) {
                record.updateNotificationChannel(socialChannel);
            }
        }

        // Check that notifications are forced grouped and app-provided summaries are canceled
        for (NotificationRecord record: notificationList) {
            mGroupHelper.onNotificationPostedWithDelay(record, notificationList, summaryByGroup);
        }

        verify(mCallback, times(1)).addAutoGroupSummary(anyInt(), eq(pkg), anyString(),
                eq(expectedGroupKey_social), anyInt(), eq(expectedSummaryAttr_social));
        verify(mCallback, times(numChildren)).addAutoGroup(anyString(), eq(expectedGroupKey_social),
                eq(true));
        verify(mCallback, never()).removeAutoGroup(anyString());
        verify(mCallback, never()).removeAutoGroupSummary(anyInt(), anyString(), anyString());
        verify(mCallback, never()).updateAutogroupSummary(anyInt(), anyString(), anyString(),
                any());
        verify(mCallback, times(numChildren)).removeAppProvidedSummaryOnClassification(anyString(),
                anyString());
    }

    @Test
    @EnableFlags({FLAG_NOTIFICATION_FORCE_GROUPING,
            FLAG_NOTIFICATION_REGROUP_ON_CLASSIFICATION,
            FLAG_NOTIFICATION_CLASSIFICATION})
    public void testUnbundleNotification_originalSummaryMissing_autogroupInNewSection() {
        // Check that unbundled notifications are moved to the original section and aggregated
        // with existing autogrouped notifications
        final List<NotificationRecord> notificationList = new ArrayList<>();
        final ArrayMap<String, NotificationRecord> summaryByGroup = new ArrayMap<>();
        final String pkg = "package";

        final int summaryId = 0;
        final int numChildren = AUTOGROUP_AT_COUNT - 1;
        // Post a regular/valid group: summary + notifications (one less than autogroup limit)
        NotificationRecord summary = getNotificationRecord(pkg, summaryId,
                String.valueOf(summaryId), UserHandle.SYSTEM, "testGrp", true);
        notificationList.add(summary);
        summaryByGroup.put(summary.getGroupKey(), summary);
        final String originalAppGroupKey = summary.getGroupKey();
        final NotificationChannel originalChannel = summary.getChannel();
        for (int i = 0; i < numChildren; i++) {
            NotificationRecord child = getNotificationRecord(pkg, i + 42, String.valueOf(i + 42),
                    UserHandle.SYSTEM, "testGrp", false);
            notificationList.add(child);
            mGroupHelper.onNotificationPostedWithDelay(child, notificationList, summaryByGroup);
        }

        // Classify/bundle all child notifications: original group & summary is removed
        final NotificationChannel socialChannel = new NotificationChannel(
                NotificationChannel.SOCIAL_MEDIA_ID, NotificationChannel.SOCIAL_MEDIA_ID,
                IMPORTANCE_LOW);
        for (NotificationRecord record: notificationList) {
            if (record.getOriginalGroupKey().contains("testGrp")
                    && record.getNotification().isGroupChild()) {
                record.updateNotificationChannel(socialChannel);
                mGroupHelper.onChannelUpdated(record);
            }
        }

        // Check that no autogroup summaries were created for the social section
        verify(mCallback, never()).addAutoGroupSummary(anyInt(), anyString(), anyString(),
                anyString(), anyInt(), any());
        verify(mCallback, never()).addAutoGroup(anyString(), anyString(), anyBoolean());
        verify(mCallback, never()).removeAutoGroup(anyString());
        verify(mCallback, never()).removeAutoGroupSummary(anyInt(), anyString(), anyString());
        verify(mCallback, never()).updateAutogroupSummary(anyInt(), anyString(), anyString(),
                any());
        verify(mCallback, times(numChildren)).removeAppProvidedSummaryOnClassification(
                anyString(), eq(originalAppGroupKey));

        // Cancel summary
        summary.isCanceled = true;
        summaryByGroup.clear();
        notificationList.remove(summary);

        // Add 1 ungrouped notification in the original section
        NotificationRecord ungroupedNotification = getNotificationRecord(pkg, 4242,
                String.valueOf(4242), UserHandle.SYSTEM);
        notificationList.add(ungroupedNotification);
        mGroupHelper.onNotificationPosted(ungroupedNotification, false);

        // Unbundle the bundled notifications => notifications are moved back to the original group
        // and an aggregate group is created because autogroup limit is reached
        reset(mCallback);
        for (NotificationRecord record: notificationList) {
            if (record.getNotification().isGroupChild()
                    && record.getOriginalGroupKey().contains("testGrp")
                    && NotificationChannel.SYSTEM_RESERVED_IDS.contains(
                        record.getChannel().getId())) {
                record.updateNotificationChannel(originalChannel);
                mGroupHelper.onNotificationUnbundled(record, false);
            }
        }

        // Check that a new aggregate group is created
        final String expectedGroupKey_alerting = GroupHelper.getFullAggregateGroupKey(pkg,
                AGGREGATE_GROUP_KEY + "AlertingSection", UserHandle.SYSTEM.getIdentifier());
        verify(mCallback, times(1)).addAutoGroupSummary(anyInt(), eq(pkg), anyString(),
                eq(expectedGroupKey_alerting), anyInt(), any());
        verify(mCallback, times(AUTOGROUP_AT_COUNT)).addAutoGroup(anyString(),
                eq(expectedGroupKey_alerting), eq(true));
        verify(mCallback, never()).removeAutoGroup(anyString());
        verify(mCallback, times(numChildren)).removeAutoGroupSummary(anyInt(), anyString(),
                anyString());
        verify(mCallback, never()).updateAutogroupSummary(anyInt(), anyString(), anyString(),
                any());
    }

    @Test
    @EnableFlags({FLAG_NOTIFICATION_FORCE_GROUPING,
            FLAG_NOTIFICATION_REGROUP_ON_CLASSIFICATION,
            FLAG_NOTIFICATION_CLASSIFICATION})
    public void testUnbundleNotification_originalSummaryExists() {
        // Check that unbundled notifications are moved to the original section and original group
        // when the original summary is still present
        final List<NotificationRecord> notificationList = new ArrayList<>();
        final ArrayMap<String, NotificationRecord> summaryByGroup = new ArrayMap<>();
        final String pkg = "package";

        final int summaryId = 0;
        final int numChildren = AUTOGROUP_AT_COUNT + 1;
        // Post a regular/valid group: summary + notifications
        NotificationRecord summary = getNotificationRecord(pkg, summaryId,
                String.valueOf(summaryId), UserHandle.SYSTEM, "testGrp", true);
        notificationList.add(summary);
        summaryByGroup.put(summary.getGroupKey(), summary);
        final String originalAppGroupKey = summary.getGroupKey();
        final NotificationChannel originalChannel = summary.getChannel();
        for (int i = 0; i < numChildren; i++) {
            NotificationRecord child = getNotificationRecord(pkg, i + 42, String.valueOf(i + 42),
                    UserHandle.SYSTEM, "testGrp", false);
            notificationList.add(child);
            mGroupHelper.onNotificationPostedWithDelay(child, notificationList, summaryByGroup);
        }

        // Classify/bundle child notifications: all except one, to keep the original group
        final NotificationChannel socialChannel = new NotificationChannel(
                NotificationChannel.SOCIAL_MEDIA_ID, NotificationChannel.SOCIAL_MEDIA_ID,
                IMPORTANCE_LOW);
        final String expectedGroupKey_social = GroupHelper.getFullAggregateGroupKey(pkg,
                AGGREGATE_GROUP_KEY + "SocialSection", UserHandle.SYSTEM.getIdentifier());
        final NotificationAttributes expectedSummaryAttr_social = new NotificationAttributes(
                BASE_FLAGS, mSmallIcon, COLOR_DEFAULT, DEFAULT_VISIBILITY, DEFAULT_GROUP_ALERT,
                NotificationChannel.SOCIAL_MEDIA_ID);
        int numChildrenBundled = 0;
        for (NotificationRecord record: notificationList) {
            if (record.getOriginalGroupKey().contains("testGrp")
                    && record.getNotification().isGroupChild()) {
                record.updateNotificationChannel(socialChannel);
                mGroupHelper.onChannelUpdated(record);
                numChildrenBundled++;
                if (numChildrenBundled == AUTOGROUP_AT_COUNT) {
                    break;
                }
            }
        }

        // Check that 1 autogroup summaries were created for the social section
        verify(mCallback, times(1)).addAutoGroupSummary(anyInt(), eq(pkg), anyString(),
                eq(expectedGroupKey_social), anyInt(), eq(expectedSummaryAttr_social));
        verify(mCallback, times(AUTOGROUP_AT_COUNT)).addAutoGroup(anyString(),
                eq(expectedGroupKey_social), eq(true));
        verify(mCallback, never()).removeAutoGroup(anyString());
        verify(mCallback, never()).removeAutoGroupSummary(anyInt(), anyString(), anyString());
        verify(mCallback, never()).updateAutogroupSummary(anyInt(), anyString(), anyString(),
                any());
        verify(mCallback, times(AUTOGROUP_AT_COUNT)).removeAppProvidedSummaryOnClassification(
                anyString(), eq(originalAppGroupKey));

        // Adjust group key and cancel summaries
        for (NotificationRecord record: notificationList) {
            if (record.getNotification().isGroupSummary()) {
                record.isCanceled = true;
            } else if (record.getOriginalGroupKey().contains("testGrp")
                        && NotificationChannel.SYSTEM_RESERVED_IDS.contains(
                        record.getChannel().getId())) {
                record.setOverrideGroupKey(expectedGroupKey_social);
            }
        }

        // Add 1 ungrouped notification in the original section
        NotificationRecord ungroupedNotification = getNotificationRecord(pkg, 4242,
                String.valueOf(4242), UserHandle.SYSTEM);
        notificationList.add(ungroupedNotification);
        mGroupHelper.onNotificationPosted(ungroupedNotification, false);

        // Unbundle the bundled notifications => social section summary is destroyed
        // and notifications are moved back to the original group
        reset(mCallback);
        for (NotificationRecord record: notificationList) {
            if (record.getNotification().isGroupChild()
                    && record.getOriginalGroupKey().contains("testGrp")
                    && NotificationChannel.SYSTEM_RESERVED_IDS.contains(
                        record.getChannel().getId())) {
                record.updateNotificationChannel(originalChannel);
                mGroupHelper.onNotificationUnbundled(record, true);
            }
        }

        // Check that the autogroup summary for the social section was removed
        // and that no new autogroup summaries were created
        verify(mCallback, never()).addAutoGroupSummary(anyInt(), anyString(), anyString(),
                anyString(), anyInt(), any());
        verify(mCallback, never()).addAutoGroup(anyString(), anyString(), anyBoolean());
        verify(mCallback, never()).removeAutoGroup(anyString());
        verify(mCallback, times(1)).removeAutoGroupSummary(anyInt(), eq(pkg),
                eq(expectedGroupKey_social));
        verify(mCallback, times(AUTOGROUP_AT_COUNT - 1)).updateAutogroupSummary(anyInt(), eq(pkg),
                eq(expectedGroupKey_social), any());

        for (NotificationRecord record: notificationList) {
            if (record.getNotification().isGroupChild()
                    && record.getOriginalGroupKey().contains("testGrp")) {
                assertThat(record.getSbn().getOverrideGroupKey()).isNull();
            }
        }
    }

    @Test
    @EnableFlags({FLAG_NOTIFICATION_FORCE_GROUPING,
            FLAG_NOTIFICATION_REGROUP_ON_CLASSIFICATION,
            FLAG_NOTIFICATION_CLASSIFICATION})
    public void testUnbundleByImportanceNotification_originalSummaryExists() {
        // Check that unbundled notifications are moved to the original section and original group
        // when the original summary is still present
        final List<NotificationRecord> notificationList = new ArrayList<>();
        final ArrayMap<String, NotificationRecord> summaryByGroup = new ArrayMap<>();
        final String pkg = "package";

        final int summaryId = 0;
        final int numChildren = AUTOGROUP_AT_COUNT + 1;
        // Post a regular/valid group: summary + notifications
        NotificationRecord summary = getNotificationRecord(pkg, summaryId,
                String.valueOf(summaryId), UserHandle.SYSTEM, "testGrp", true);
        notificationList.add(summary);
        summaryByGroup.put(summary.getGroupKey(), summary);
        final String originalAppGroupKey = summary.getGroupKey();
        final NotificationChannel originalChannel = summary.getChannel();
        for (int i = 0; i < numChildren; i++) {
            NotificationRecord child = getNotificationRecord(pkg, i + 42, String.valueOf(i + 42),
                    UserHandle.SYSTEM, "testGrp", false);
            notificationList.add(child);
            mGroupHelper.onNotificationPostedWithDelay(child, notificationList, summaryByGroup);
        }

        // Classify/bundle child notifications: all except one, to keep the original group
        final NotificationChannel socialChannel = new NotificationChannel(
                NotificationChannel.SOCIAL_MEDIA_ID, NotificationChannel.SOCIAL_MEDIA_ID,
                IMPORTANCE_LOW);
        final String expectedGroupKey_social = GroupHelper.getFullAggregateGroupKey(pkg,
                AGGREGATE_GROUP_KEY + "SocialSection", UserHandle.SYSTEM.getIdentifier());
        final NotificationAttributes expectedSummaryAttr_social = new NotificationAttributes(
                BASE_FLAGS, mSmallIcon, COLOR_DEFAULT, DEFAULT_VISIBILITY, DEFAULT_GROUP_ALERT,
                NotificationChannel.SOCIAL_MEDIA_ID);
        int numChildrenBundled = 0;
        for (NotificationRecord record: notificationList) {
            if (record.getOriginalGroupKey().contains("testGrp")
                    && record.getNotification().isGroupChild()) {
                record.updateNotificationChannel(socialChannel);
                mGroupHelper.onChannelUpdated(record);
                numChildrenBundled++;
                if (numChildrenBundled == AUTOGROUP_AT_COUNT) {
                    break;
                }
            }
        }

        // Check that 1 autogroup summaries were created for the social section
        verify(mCallback, times(1)).addAutoGroupSummary(anyInt(), eq(pkg), anyString(),
                eq(expectedGroupKey_social), anyInt(), eq(expectedSummaryAttr_social));
        verify(mCallback, times(AUTOGROUP_AT_COUNT)).addAutoGroup(anyString(),
                eq(expectedGroupKey_social), eq(true));
        verify(mCallback, never()).removeAutoGroup(anyString());
        verify(mCallback, never()).removeAutoGroupSummary(anyInt(), anyString(), anyString());
        verify(mCallback, never()).updateAutogroupSummary(anyInt(), anyString(), anyString(),
                any());
        verify(mCallback, times(AUTOGROUP_AT_COUNT)).removeAppProvidedSummaryOnClassification(
                anyString(), eq(originalAppGroupKey));

        // Adjust group key for grouped notifications
        for (NotificationRecord record: notificationList) {
            if (record.getOriginalGroupKey().contains("testGrp")
                    && NotificationChannel.SYSTEM_RESERVED_IDS.contains(
                        record.getChannel().getId())) {
                record.setOverrideGroupKey(expectedGroupKey_social);
            }
        }

        // Add 1 ungrouped notification in the original section
        NotificationRecord ungroupedNotification = getNotificationRecord(pkg, 4242,
                String.valueOf(4242), UserHandle.SYSTEM);
        notificationList.add(ungroupedNotification);
        mGroupHelper.onNotificationPosted(ungroupedNotification, false);

        // Unbundle the bundled notifications by changing the social channel importance to alerting
        // => social section summary is destroyed
        // and notifications are moved back to the original group
        reset(mCallback);
        socialChannel.setImportance(IMPORTANCE_DEFAULT);
        for (NotificationRecord record: notificationList) {
            if (record.getNotification().isGroupChild()
                    && record.getOriginalGroupKey().contains("testGrp")
                    && NotificationChannel.SYSTEM_RESERVED_IDS.contains(
                        record.getChannel().getId())) {
                record.updateNotificationChannel(socialChannel);
            }
        }
        mGroupHelper.onChannelUpdated(UserHandle.SYSTEM.getIdentifier(), pkg, socialChannel,
                notificationList, summaryByGroup);

        // Check that the autogroup summary for the social section was removed
        // and that no new autogroup summaries were created
        verify(mCallback, never()).addAutoGroupSummary(anyInt(), anyString(), anyString(),
                anyString(), anyInt(), any());
        verify(mCallback, never()).addAutoGroup(anyString(), anyString(), anyBoolean());
        verify(mCallback, never()).removeAutoGroup(anyString());
        verify(mCallback, times(1)).removeAutoGroupSummary(anyInt(), eq(pkg),
                eq(expectedGroupKey_social));

        for (NotificationRecord record: notificationList) {
            if (record.getNotification().isGroupChild()
                    && record.getOriginalGroupKey().contains("testGrp")) {
                assertThat(record.getSbn().getOverrideGroupKey()).isNull();
                assertThat(GroupHelper.getSection(record).mName).isEqualTo("AlertingSection");
            }
        }
    }

    @Test
    @EnableFlags({FLAG_NOTIFICATION_FORCE_GROUPING,
            FLAG_NOTIFICATION_REGROUP_ON_CLASSIFICATION,
            FLAG_NOTIFICATION_CLASSIFICATION})
    public void testUnbundleByImportanceNotification_originalSummaryRemoved() {
        // Check that unbundled notifications are moved to the original section and autogrouped
        // when the original summary is not present
        final List<NotificationRecord> notificationList = new ArrayList<>();
        final ArrayMap<String, NotificationRecord> summaryByGroup = new ArrayMap<>();
        final String pkg = "package";

        final int summaryId = 0;
        final int numChildren = AUTOGROUP_AT_COUNT + 1;
        // Post a regular/valid group: summary + notifications
        NotificationRecord summary = getNotificationRecord(pkg, summaryId,
                String.valueOf(summaryId), UserHandle.SYSTEM, "testGrp", true);
        notificationList.add(summary);
        summaryByGroup.put(summary.getGroupKey(), summary);
        final String originalAppGroupKey = summary.getGroupKey();
        final NotificationChannel originalChannel = summary.getChannel();
        for (int i = 0; i < numChildren; i++) {
            NotificationRecord child = getNotificationRecord(pkg, i + 42, String.valueOf(i + 42),
                    UserHandle.SYSTEM, "testGrp", false);
            notificationList.add(child);
            mGroupHelper.onNotificationPostedWithDelay(child, notificationList, summaryByGroup);
        }

        // Classify/bundle child notifications: all except one, to keep the original group
        final NotificationChannel socialChannel = new NotificationChannel(
                NotificationChannel.SOCIAL_MEDIA_ID, NotificationChannel.SOCIAL_MEDIA_ID,
                IMPORTANCE_LOW);
        final String expectedGroupKey_social = GroupHelper.getFullAggregateGroupKey(pkg,
                AGGREGATE_GROUP_KEY + "SocialSection", UserHandle.SYSTEM.getIdentifier());
        final NotificationAttributes expectedSummaryAttr_social = new NotificationAttributes(
                BASE_FLAGS, mSmallIcon, COLOR_DEFAULT, DEFAULT_VISIBILITY, DEFAULT_GROUP_ALERT,
                NotificationChannel.SOCIAL_MEDIA_ID);
        int numChildrenBundled = 0;
        for (NotificationRecord record: notificationList) {
            if (record.getOriginalGroupKey().contains("testGrp")
                    && record.getNotification().isGroupChild()) {
                record.updateNotificationChannel(socialChannel);
                mGroupHelper.onChannelUpdated(record);
                numChildrenBundled++;
                if (numChildrenBundled == AUTOGROUP_AT_COUNT) {
                    break;
                }
            }
        }

        // Check that 1 autogroup summaries were created for the social section
        verify(mCallback, times(1)).addAutoGroupSummary(anyInt(), eq(pkg), anyString(),
                eq(expectedGroupKey_social), anyInt(), eq(expectedSummaryAttr_social));
        verify(mCallback, times(AUTOGROUP_AT_COUNT)).addAutoGroup(anyString(),
                eq(expectedGroupKey_social), eq(true));
        verify(mCallback, never()).removeAutoGroup(anyString());
        verify(mCallback, never()).removeAutoGroupSummary(anyInt(), anyString(), anyString());
        verify(mCallback, never()).updateAutogroupSummary(anyInt(), anyString(), anyString(),
                any());
        verify(mCallback, times(AUTOGROUP_AT_COUNT)).removeAppProvidedSummaryOnClassification(
                anyString(), eq(originalAppGroupKey));

        // Adjust group key
        for (NotificationRecord record: notificationList) {
            if (record.getOriginalGroupKey().contains("testGrp")
                    && NotificationChannel.SYSTEM_RESERVED_IDS.contains(
                        record.getChannel().getId())) {
                record.setOverrideGroupKey(expectedGroupKey_social);
            }
        }

        // Remove original summary
        notificationList.remove(summary);
        summaryByGroup.remove(summary.getGroupKey());

        // Add 1 ungrouped notification in the original section
        NotificationRecord ungroupedNotification = getNotificationRecord(pkg, 4242,
                String.valueOf(4242), UserHandle.SYSTEM);
        notificationList.add(ungroupedNotification);
        mGroupHelper.onNotificationPosted(ungroupedNotification, false);

        // Unbundle the bundled notifications by changing the social channel importance to alerting
        // => social section summary is destroyed
        // and notifications are moved back to the alerting section and autogrouped
        reset(mCallback);
        socialChannel.setImportance(IMPORTANCE_DEFAULT);
        for (NotificationRecord record: notificationList) {
            if (record.getNotification().isGroupChild()
                    && record.getOriginalGroupKey().contains("testGrp")
                    && NotificationChannel.SYSTEM_RESERVED_IDS.contains(
                        record.getChannel().getId())) {
                record.updateNotificationChannel(socialChannel);
            }
        }
        mGroupHelper.onChannelUpdated(UserHandle.SYSTEM.getIdentifier(), pkg, socialChannel,
                notificationList, summaryByGroup);

        // Check that the autogroup summary for the social section was removed
        // and that a new autogroup was created in the alerting section
        final String expectedGroupKey_alerting = GroupHelper.getFullAggregateGroupKey(pkg,
                AGGREGATE_GROUP_KEY + "AlertingSection", UserHandle.SYSTEM.getIdentifier());
        verify(mCallback, times(1)).addAutoGroupSummary(anyInt(), eq(pkg), anyString(),
                eq(expectedGroupKey_alerting), anyInt(), any());
        verify(mCallback, times(AUTOGROUP_AT_COUNT + 1)).addAutoGroup(anyString(),
                eq(expectedGroupKey_alerting), eq(true));
        verify(mCallback, never()).removeAutoGroup(anyString());
        verify(mCallback, times(1)).removeAutoGroupSummary(anyInt(), eq(pkg),
                eq(expectedGroupKey_social));
        verify(mCallback, never()).removeAppProvidedSummaryOnClassification(anyString(),
                anyString());
    }

    @Test
    @EnableFlags({FLAG_NOTIFICATION_FORCE_GROUPING,
            FLAG_NOTIFICATION_CLASSIFICATION,
            FLAG_NOTIFICATION_REGROUP_ON_CLASSIFICATION})
    public void testClassifyWithAlertingImportance_doesNotBundle() {
        // Check that classified notifications are autogrouped when channel importance
        // is updated DEFAULT to LOW
        final List<NotificationRecord> notificationList = new ArrayList<>();
        final ArrayMap<String, NotificationRecord> summaryByGroup = new ArrayMap<>();
        final String pkg = "package";

        final int summaryId = 0;
        final int numChildren = AUTOGROUP_AT_COUNT + 1;
        // Post a regular/valid group: summary + notifications
        NotificationRecord summary = getNotificationRecord(pkg, summaryId,
                String.valueOf(summaryId), UserHandle.SYSTEM, "testGrp", true);
        notificationList.add(summary);
        summaryByGroup.put(summary.getGroupKey(), summary);
        final String originalAppGroupKey = summary.getGroupKey();
        final NotificationChannel originalChannel = summary.getChannel();
        for (int i = 0; i < numChildren; i++) {
            NotificationRecord child = getNotificationRecord(pkg, i + 42, String.valueOf(i + 42),
                    UserHandle.SYSTEM, "testGrp", false);
            notificationList.add(child);
            mGroupHelper.onNotificationPostedWithDelay(child, notificationList, summaryByGroup);
        }

        // Classify child notifications to Alerting bundle channel => do not "bundle"
        final NotificationChannel socialChannel = new NotificationChannel(
                NotificationChannel.SOCIAL_MEDIA_ID, NotificationChannel.SOCIAL_MEDIA_ID,
                IMPORTANCE_DEFAULT);
        int numChildrenBundled = 0;
        for (NotificationRecord record: notificationList) {
            if (record.getOriginalGroupKey().contains("testGrp")
                    && record.getNotification().isGroupChild()) {
                record.updateNotificationChannel(socialChannel);
                mGroupHelper.onChannelUpdated(record);
                numChildrenBundled++;
                if (numChildrenBundled == AUTOGROUP_AT_COUNT) {
                    break;
                }
            }
        }

        // Check that no autogroup summaries were created for the social section
        verify(mCallback, never()).addAutoGroupSummary(anyInt(), anyString(), anyString(),
                anyString(), anyInt(), any());
        verify(mCallback, never()).addAutoGroup(anyString(), anyString(), anyBoolean());
        verify(mCallback, never()).removeAutoGroup(anyString());
        verify(mCallback, never()).removeAutoGroupSummary(anyInt(), anyString(), anyString());
        verify(mCallback, never()).updateAutogroupSummary(anyInt(), anyString(), anyString(),
                any());
        verify(mCallback, never()).removeAppProvidedSummaryOnClassification(anyString(),
                anyString());

        // Change importance to LOW => autogroup notifications in bundle section
        reset(mCallback);
        final String expectedGroupKey_social = GroupHelper.getFullAggregateGroupKey(pkg,
                AGGREGATE_GROUP_KEY + "SocialSection", UserHandle.SYSTEM.getIdentifier());
        final NotificationAttributes expectedSummaryAttr_social = new NotificationAttributes(
                BASE_FLAGS, mSmallIcon, COLOR_DEFAULT, DEFAULT_VISIBILITY, DEFAULT_GROUP_ALERT,
                NotificationChannel.SOCIAL_MEDIA_ID);
        socialChannel.setImportance(IMPORTANCE_LOW);
        for (NotificationRecord record: notificationList) {
            if (record.getNotification().isGroupChild()
                    && record.getOriginalGroupKey().contains("testGrp")
                    && NotificationChannel.SYSTEM_RESERVED_IDS.contains(
                    record.getChannel().getId())) {
                record.updateNotificationChannel(socialChannel);
            }
        }
        mGroupHelper.onChannelUpdated(UserHandle.SYSTEM.getIdentifier(), pkg, socialChannel,
                notificationList, summaryByGroup);

        // Check that 1 autogroup summaries were created for the social section
        verify(mCallback, times(1)).addAutoGroupSummary(anyInt(), eq(pkg), anyString(),
                eq(expectedGroupKey_social), anyInt(), eq(expectedSummaryAttr_social));
        verify(mCallback, times(AUTOGROUP_AT_COUNT)).addAutoGroup(anyString(),
                eq(expectedGroupKey_social), eq(true));
        verify(mCallback, never()).removeAutoGroup(anyString());
        verify(mCallback, never()).removeAutoGroupSummary(anyInt(), anyString(), anyString());
        verify(mCallback, never()).updateAutogroupSummary(anyInt(), anyString(), anyString(),
                any());
        verify(mCallback, times(AUTOGROUP_AT_COUNT)).removeAppProvidedSummaryOnClassification(
                anyString(), eq(originalAppGroupKey));
    }

    @Test
    @EnableFlags(FLAG_NOTIFICATION_FORCE_GROUPING)
    public void testMoveAggregateGroups_updateChannel_groupsUngrouped() {
        final String pkg = "package";
        final String expectedGroupKey_silent = GroupHelper.getFullAggregateGroupKey(pkg,
            AGGREGATE_GROUP_KEY + "SilentSection", UserHandle.SYSTEM.getIdentifier());
        final List<NotificationRecord> notificationList = new ArrayList<>();
        final ArrayMap<String, NotificationRecord> summaryByGroup = new ArrayMap<>();

        // Post too few group notifications without summaries => do not autogroup
        final NotificationChannel lowPrioChannel = new NotificationChannel("TEST_CHANNEL_LOW_ID",
                "TEST_CHANNEL_LOW_ID", IMPORTANCE_LOW);
        final int numUngrouped = AUTOGROUP_AT_COUNT - 1;
        int startIdx = 42;
        for (int i = startIdx; i < startIdx + numUngrouped; i++) {
            NotificationRecord r = getNotificationRecord(pkg, i, String.valueOf(i),
                    UserHandle.SYSTEM, "testGrp " + i, false, lowPrioChannel);
            notificationList.add(r);
            mGroupHelper.onNotificationPostedWithDelay(r, notificationList, summaryByGroup);
        }
        verify(mCallback, never()).addAutoGroup(anyString(), anyString(), anyBoolean());
        verify(mCallback, never()).addAutoGroupSummary(anyInt(), anyString(), anyString(),
                anyString(), anyInt(), any());

        reset(mCallback);

        final String expectedGroupKey_alerting = GroupHelper.getFullAggregateGroupKey(pkg,
            AGGREGATE_GROUP_KEY + "AlertingSection", UserHandle.SYSTEM.getIdentifier());
        final NotificationChannel channel = new NotificationChannel(TEST_CHANNEL_ID,
                TEST_CHANNEL_ID, IMPORTANCE_DEFAULT);

        // Post group notifications without summaries => force autogroup
        for (int i = 0; i < AUTOGROUP_AT_COUNT; i++) {
            NotificationRecord r = getNotificationRecord(pkg, i, String.valueOf(i),
                    UserHandle.SYSTEM, "testGrp " + i, false, channel);
            notificationList.add(r);
            mGroupHelper.onNotificationPostedWithDelay(r, notificationList, summaryByGroup);
        }
        verify(mCallback, times(1)).addAutoGroupSummary(anyInt(), eq(pkg), anyString(),
                eq(expectedGroupKey_alerting), anyInt(), eq(getNotificationAttributes(BASE_FLAGS)));
        verify(mCallback, times(AUTOGROUP_AT_COUNT)).addAutoGroup(anyString(),
                eq(expectedGroupKey_alerting), eq(true));
        verify(mCallback, never()).removeAutoGroup(anyString());
        verify(mCallback, never()).removeAutoGroupSummary(anyInt(), anyString(), anyString());
        verify(mCallback, never()).updateAutogroupSummary(anyInt(), anyString(), anyString(),
                any());
        Mockito.reset(mCallback);

        // Update the channel importance for all posted notifications
        final int numSilentGroupNotifications = AUTOGROUP_AT_COUNT + numUngrouped;
        channel.setImportance(IMPORTANCE_LOW);
        for (NotificationRecord r: notificationList) {
            r.updateNotificationChannel(channel);
        }
        mGroupHelper.onChannelUpdated(UserHandle.SYSTEM.getIdentifier(), pkg, channel,
                notificationList, summaryByGroup);

        // Check that all notifications are moved to the silent section group
        verify(mCallback, times(1)).addAutoGroupSummary(anyInt(), eq(pkg), anyString(),
                eq(expectedGroupKey_silent), anyInt(), eq(getNotificationAttributes(BASE_FLAGS)));
        verify(mCallback, times(numSilentGroupNotifications)).addAutoGroup(anyString(),
                eq(expectedGroupKey_silent), eq(true));

        // Check that the alerting section group is removed
        verify(mCallback, times(1)).removeAutoGroupSummary(anyInt(), eq(pkg),
                eq(expectedGroupKey_alerting));
        verify(mCallback, never()).updateAutogroupSummary(anyInt(), anyString(), anyString(),
                any());
    }

    @Test
    @EnableFlags(FLAG_NOTIFICATION_FORCE_GROUPING)
    public void testAutogroup_updateChannel_reachedMinAutogroupCount() {
        final String pkg = "package";
        final NotificationChannel channel1 = new NotificationChannel("TEST_CHANNEL_ID1",
                "TEST_CHANNEL_ID1", IMPORTANCE_DEFAULT);
        final NotificationChannel channel2 = new NotificationChannel("TEST_CHANNEL_ID2",
                "TEST_CHANNEL_ID2", IMPORTANCE_LOW);
        final List<NotificationRecord> notificationList = new ArrayList<>();
        // Post notifications with different channels that would autogroup in different sections
        NotificationRecord r;
        // Not enough notifications to autogroup initially
        for (int i = 0; i < AUTOGROUP_AT_COUNT; i++) {
            if (i % 2 == 0) {
                r = getNotificationRecord(pkg, i, String.valueOf(i),
                    UserHandle.SYSTEM, null, false, channel1);
            } else {
                r = getNotificationRecord(pkg, i, String.valueOf(i),
                    UserHandle.SYSTEM, null, false, channel2);
            }
            notificationList.add(r);
            mGroupHelper.onNotificationPosted(r, false);
        }
        verify(mCallback, never()).addAutoGroupSummary(anyInt(), anyString(), anyString(),
                anyString(), anyInt(), any());
        verify(mCallback, never()).addAutoGroup(anyString(), anyString(), anyBoolean());
        verify(mCallback, never()).removeAutoGroup(anyString());
        verify(mCallback, never()).removeAutoGroupSummary(anyInt(), anyString(), anyString());
        verify(mCallback, never()).updateAutogroupSummary(anyInt(), anyString(), anyString(),
                any());
        Mockito.reset(mCallback);

        // Update channel1's importance
        final String expectedGroupKey_silent = GroupHelper.getFullAggregateGroupKey(pkg,
                AGGREGATE_GROUP_KEY + "SilentSection", UserHandle.SYSTEM.getIdentifier());
        channel1.setImportance(IMPORTANCE_LOW);
        for (NotificationRecord record: notificationList) {
            if (record.getChannel().getId().equals(channel1.getId())) {
                record.updateNotificationChannel(channel1);
            }
        }
        mGroupHelper.onChannelUpdated(UserHandle.SYSTEM.getIdentifier(), pkg, channel1,
                notificationList, new ArrayMap<>());

        // Check that channel1's notifications are moved to the silent section & autogroup all
        NotificationAttributes expectedSummaryAttr = new NotificationAttributes(BASE_FLAGS,
                mSmallIcon, COLOR_DEFAULT, DEFAULT_VISIBILITY, DEFAULT_GROUP_ALERT,
                "TEST_CHANNEL_ID1");
        verify(mCallback, times(AUTOGROUP_AT_COUNT)).addAutoGroup(anyString(),
                eq(expectedGroupKey_silent), eq(true));
        verify(mCallback, times(1)).addAutoGroupSummary(anyInt(), eq(pkg), anyString(),
                eq(expectedGroupKey_silent), anyInt(), eq(expectedSummaryAttr));
    }

    @Test
    @EnableFlags({FLAG_NOTIFICATION_FORCE_GROUPING,
            Flags.FLAG_NOTIFICATION_FORCE_GROUP_SINGLETONS})
    public void testNoGroup_singletonGroup_underLimit() {
        final List<NotificationRecord> notificationList = new ArrayList<>();
        final ArrayMap<String, NotificationRecord> summaryByGroup = new ArrayMap<>();
        final String pkg = "package";
        // Post singleton groups, under forced group limit
        for (int i = 0; i < AUTOGROUP_SINGLETONS_AT_COUNT - 1; i++) {
            NotificationRecord summary = getNotificationRecord(pkg, i,
                    String.valueOf(i), UserHandle.SYSTEM, "testGrp "+i, true);
            notificationList.add(summary);
            NotificationRecord child = getNotificationRecord(pkg, i + 42,
                    String.valueOf(i + 42), UserHandle.SYSTEM, "testGrp "+i, false);
            notificationList.add(child);
            summaryByGroup.put(summary.getGroupKey(), summary);
            mGroupHelper.onNotificationPostedWithDelay(child, notificationList, summaryByGroup);
            mGroupHelper.onNotificationPostedWithDelay(summary, notificationList, summaryByGroup);
        }
        verifyNoMoreInteractions(mCallback);
    }


    @Test
    @EnableFlags(FLAG_NOTIFICATION_FORCE_GROUPING)
    @DisableFlags(Flags.FLAG_NOTIFICATION_FORCE_GROUP_SINGLETONS)
    public void testAddAggregateSummary_singletonGroup_disableFlag() {
        final List<NotificationRecord> notificationList = new ArrayList<>();
        final ArrayMap<String, NotificationRecord> summaryByGroup = new ArrayMap<>();
        final String pkg = "package";
        // Post singleton groups, above forced group limit
        for (int i = 0; i < AUTOGROUP_SINGLETONS_AT_COUNT; i++) {
            NotificationRecord summary = getNotificationRecord(pkg, i,
                    String.valueOf(i), UserHandle.SYSTEM, "testGrp "+i, true);
            notificationList.add(summary);
            NotificationRecord child = getNotificationRecord(pkg, i + 42,
                    String.valueOf(i + 42), UserHandle.SYSTEM, "testGrp "+i, false);
            notificationList.add(child);
            summaryByGroup.put(summary.getGroupKey(), summary);
            mGroupHelper.onNotificationPostedWithDelay(child, notificationList, summaryByGroup);
            mGroupHelper.onNotificationPostedWithDelay(summary, notificationList, summaryByGroup);
        }
        // FLAG_NOTIFICATION_FORCE_GROUP_SINGLETONS is disabled => don't force group
        verifyNoMoreInteractions(mCallback);
    }

    @Test
    @EnableFlags({FLAG_NOTIFICATION_FORCE_GROUPING,
            Flags.FLAG_NOTIFICATION_FORCE_GROUP_SINGLETONS})
    public void testAddAggregateSummary_singletonGroups() {
        final List<NotificationRecord> notificationList = new ArrayList<>();
        final ArrayMap<String, NotificationRecord> summaryByGroup = new ArrayMap<>();
        final String pkg = "package";
        final String expectedGroupKey = GroupHelper.getFullAggregateGroupKey(pkg,
            AGGREGATE_GROUP_KEY + "AlertingSection", UserHandle.SYSTEM.getIdentifier());
        String expectedTriggeringKey = null;
        // Post singleton groups, above forced group limit
        for (int i = 0; i < AUTOGROUP_SINGLETONS_AT_COUNT; i++) {
            NotificationRecord summary = getNotificationRecord(pkg, i,
                String.valueOf(i), UserHandle.SYSTEM, "testGrp "+i, true);
            notificationList.add(summary);
            NotificationRecord child = getNotificationRecord(pkg, i + 42,
                String.valueOf(i + 42), UserHandle.SYSTEM, "testGrp "+i, false);
            notificationList.add(child);
            expectedTriggeringKey = child.getKey();
            summaryByGroup.put(summary.getGroupKey(), summary);
            mGroupHelper.onNotificationPostedWithDelay(child, notificationList, summaryByGroup);
            summary.isCanceled = true;  // simulate removing the app summary
            mGroupHelper.onNotificationPostedWithDelay(summary, notificationList, summaryByGroup);
        }
        // Check that notifications are forced grouped
        verify(mCallback, times(1)).addAutoGroupSummary(anyInt(), eq(pkg),
                eq(expectedTriggeringKey), eq(expectedGroupKey), anyInt(),
                eq(getNotificationAttributes(BASE_FLAGS)));
        verify(mCallback, times(AUTOGROUP_SINGLETONS_AT_COUNT)).addAutoGroup(anyString(),
                eq(expectedGroupKey), eq(true));
        verify(mCallback, never()).removeAutoGroup(anyString());
        verify(mCallback, never()).removeAutoGroupSummary(anyInt(), anyString(), anyString());
        verify(mCallback, never()).updateAutogroupSummary(anyInt(), anyString(), anyString(),
                any());

        // Check that summaries are canceled
        verify(mCallback, times(AUTOGROUP_SINGLETONS_AT_COUNT)).removeAppProvidedSummary(
                anyString());
    }

    @Test
    @EnableFlags({FLAG_NOTIFICATION_FORCE_GROUPING,
            Flags.FLAG_NOTIFICATION_FORCE_GROUP_SINGLETONS})
    public void testAddAggregateSummary_summaryTriggers_singletonGroups() {
        final List<NotificationRecord> notificationList = new ArrayList<>();
        final ArrayMap<String, NotificationRecord> summaryByGroup = new ArrayMap<>();
        final String pkg = "package";
        final String expectedGroupKey = GroupHelper.getFullAggregateGroupKey(pkg,
                AGGREGATE_GROUP_KEY + "AlertingSection", UserHandle.SYSTEM.getIdentifier());
        final int firstChildIdx = 1;
        // Post singleton groups, below forced group limit
        for (int i = 0; i < AUTOGROUP_SINGLETONS_AT_COUNT - 1; i++) {
            NotificationRecord summary = getNotificationRecord(pkg, i,
                    String.valueOf(i), UserHandle.SYSTEM, "testGrp " + i, true);
            notificationList.add(summary);
            NotificationRecord child = getNotificationRecord(pkg, i + 42,
                    String.valueOf(i + 42), UserHandle.SYSTEM, "testGrp " + i, false);
            notificationList.add(child);
            summaryByGroup.put(summary.getGroupKey(), summary);
            mGroupHelper.onNotificationPostedWithDelay(summary, notificationList, summaryByGroup);
            mGroupHelper.onNotificationPostedWithDelay(child, notificationList, summaryByGroup);
        }

        // Post triggering group summary
        final String expectedTriggeringKey = notificationList.get(firstChildIdx).getKey();
        final int triggerIdx = AUTOGROUP_SINGLETONS_AT_COUNT - 1;
        NotificationRecord summary = getNotificationRecord(pkg, triggerIdx,
                String.valueOf(triggerIdx), UserHandle.SYSTEM, "testGrp " + triggerIdx, true);
        notificationList.add(summary);
        NotificationRecord child = getNotificationRecord(pkg, triggerIdx + 42,
                String.valueOf(triggerIdx + 42), UserHandle.SYSTEM, "testGrp " + triggerIdx, false);
        notificationList.add(child);
        summaryByGroup.put(summary.getGroupKey(), summary);
        mGroupHelper.onNotificationPostedWithDelay(summary, notificationList, summaryByGroup);

        // Check that notifications are forced grouped
        verify(mCallback, times(1)).addAutoGroupSummary(anyInt(), eq(pkg),
                eq(expectedTriggeringKey), eq(expectedGroupKey), anyInt(),
                eq(getNotificationAttributes(BASE_FLAGS)));
        verify(mCallback, times(AUTOGROUP_SINGLETONS_AT_COUNT)).addAutoGroup(anyString(),
                eq(expectedGroupKey), eq(true));
        verify(mCallback, never()).removeAutoGroup(anyString());
        verify(mCallback, never()).removeAutoGroupSummary(anyInt(), anyString(), anyString());
        verify(mCallback, never()).updateAutogroupSummary(anyInt(), anyString(), anyString(),
                any());

        // Check that summaries are canceled
        verify(mCallback, times(AUTOGROUP_SINGLETONS_AT_COUNT)).removeAppProvidedSummary(anyString());
    }

    @Test
    @EnableFlags({FLAG_NOTIFICATION_FORCE_GROUPING,
            Flags.FLAG_NOTIFICATION_FORCE_GROUP_SINGLETONS})
    public void testCancelCachedSummary_singletonGroups() {
        final List<NotificationRecord> notificationList = new ArrayList<>();
        final ArrayMap<String, NotificationRecord> summaryByGroup = new ArrayMap<>();
        final String pkg = "package";
        final int id = 0;
        // Post singleton groups, above forced group limit
        for (int i = 0; i < AUTOGROUP_SINGLETONS_AT_COUNT; i++) {
            NotificationRecord summary = getNotificationRecord(pkg, i,
                    String.valueOf(i), UserHandle.SYSTEM, "testGrp "+i, true);
            notificationList.add(summary);
            NotificationRecord child = getNotificationRecord(pkg, i + 42,
                    String.valueOf(i + 42), UserHandle.SYSTEM, "testGrp "+i, false);
            notificationList.add(child);
            summaryByGroup.put(summary.getGroupKey(), summary);
            mGroupHelper.onNotificationPostedWithDelay(child, notificationList, summaryByGroup);
            summary.isCanceled = true;  // simulate removing the app summary
            mGroupHelper.onNotificationPostedWithDelay(summary, notificationList, summaryByGroup);
        }
        Mockito.reset(mCallback);

        // App cancels the summary of an aggregated group
        mGroupHelper.maybeCancelGroupChildrenForCanceledSummary(pkg, String.valueOf(id), id,
                UserHandle.SYSTEM.getIdentifier(), REASON_APP_CANCEL);

        verify(mCallback, times(1)).removeNotificationFromCanceledGroup(
                eq(UserHandle.SYSTEM.getIdentifier()), eq(pkg), eq("testGrp " + id),
                eq(REASON_APP_CANCEL));
        CachedSummary cachedSummary = mGroupHelper.findCanceledSummary(pkg, String.valueOf(id), id,
                UserHandle.SYSTEM.getIdentifier());
        assertThat(cachedSummary).isNull();
    }

    @Test
    @EnableFlags({FLAG_NOTIFICATION_FORCE_GROUPING,
            Flags.FLAG_NOTIFICATION_FORCE_GROUP_SINGLETONS})
    public void testRemoveCachedSummary_singletonGroups_removeChildren() {
        final List<NotificationRecord> notificationList = new ArrayList<>();
        final ArrayMap<String, NotificationRecord> summaryByGroup = new ArrayMap<>();
        final String pkg = "package";
        final String expectedGroupKey = GroupHelper.getFullAggregateGroupKey(pkg,
            AGGREGATE_GROUP_KEY + "AlertingSection", UserHandle.SYSTEM.getIdentifier());
        final int id = 0;
        NotificationRecord childToRemove = null;
        // Post singleton groups, above forced group limit
        for (int i = 0; i < AUTOGROUP_SINGLETONS_AT_COUNT; i++) {
            NotificationRecord summary = getNotificationRecord(pkg, i,
                    String.valueOf(i), UserHandle.SYSTEM, "testGrp "+i, true);
            notificationList.add(summary);
            NotificationRecord child = getNotificationRecord(pkg, i + 42, String.valueOf(i + 42),
                    UserHandle.SYSTEM, "testGrp " + i, false);
            if (i == id) {
                childToRemove = child;
            }
            notificationList.add(child);
            summaryByGroup.put(summary.getGroupKey(), summary);
            mGroupHelper.onNotificationPostedWithDelay(child, notificationList, summaryByGroup);
            summary.isCanceled = true;  // simulate removing the app summary
            mGroupHelper.onNotificationPostedWithDelay(summary, notificationList, summaryByGroup);
        }
        // override group key for child notifications
        List<NotificationRecord> notificationListAfterGrouping = new ArrayList<>(
            notificationList.stream().filter(r -> {
                if (r.getSbn().getNotification().isGroupChild()) {
                    r.setOverrideGroupKey(expectedGroupKey);
                    return true;
                } else {
                    return false;
                }
            }).toList());
        summaryByGroup.clear();
        Mockito.reset(mCallback);

        //Cancel child 0 => remove cached summary
        childToRemove.isCanceled = true;
        notificationListAfterGrouping.remove(childToRemove);
        mGroupHelper.onNotificationRemoved(childToRemove, notificationListAfterGrouping, false);
        CachedSummary cachedSummary = mGroupHelper.findCanceledSummary(pkg, String.valueOf(id), id,
                UserHandle.SYSTEM.getIdentifier());
        assertThat(cachedSummary).isNull();
    }

    @Test
    @EnableFlags(FLAG_NOTIFICATION_FORCE_GROUPING)
    @DisableFlags(FLAG_NOTIFICATION_FORCE_GROUP_CONVERSATIONS)
    public void testNonGroupableChildren_singletonGroups_disableConversations() {
        // Check that singleton groups with children that are not groupable, is not grouped
        // Even though the group summary is a regular (alerting) notification, the children are
        // conversations => the group should not be forced grouped.
        final List<NotificationRecord> notificationList = new ArrayList<>();
        final ArrayMap<String, NotificationRecord> summaryByGroup = new ArrayMap<>();
        final String pkg = "package";

        // Trigger notification, ungrouped
        final int triggerId = 1;
        NotificationRecord triggerNotification = getNotificationRecord(pkg, triggerId,
                String.valueOf(triggerId), UserHandle.SYSTEM);
        notificationList.add(triggerNotification);
        final NotificationSectioner triggerSection = GroupHelper.getSection(triggerNotification);
        final FullyQualifiedGroupKey triggerFullAggregateGroupKey = new FullyQualifiedGroupKey(
                triggerNotification.getUserId(), triggerNotification.getSbn().getPackageName(),
                triggerSection);

        // Add singleton group with alerting child
        final String groupName_valid = "testGrp_valid";
        final int summaryId_valid = 0;
        NotificationRecord summary = getNotificationRecord(pkg, summaryId_valid,
                String.valueOf(summaryId_valid), UserHandle.SYSTEM, groupName_valid, true);
        notificationList.add(summary);
        summaryByGroup.put(summary.getGroupKey(), summary);
        final String groupKey_valid = summary.getGroupKey();
        NotificationRecord child = getNotificationRecord(pkg, summaryId_valid + 42,
                String.valueOf(summaryId_valid + 42), UserHandle.SYSTEM, groupName_valid, false);
        notificationList.add(child);

        // Add singleton group with conversation child
        final String groupName_invalid = "testGrp_invalid";
        final int summaryId_invalid = 100;
        summary = getNotificationRecord(pkg, summaryId_invalid,
                String.valueOf(summaryId_invalid), UserHandle.SYSTEM, groupName_invalid, true);
        notificationList.add(summary);
        final String groupKey_invalid = summary.getGroupKey();
        summaryByGroup.put(summary.getGroupKey(), summary);
        child = getNotificationRecord(pkg, summaryId_invalid + 42,
                String.valueOf(summaryId_invalid + 42), UserHandle.SYSTEM, groupName_invalid,
                false);
        child = spy(child);
        when(child.isConversation()).thenReturn(true);
        notificationList.add(child);

        // Check that the invalid group will not be force grouped
        final ArrayMap<String, NotificationRecord> sparseGroups = mGroupHelper.getSparseGroups(
                triggerFullAggregateGroupKey, notificationList, summaryByGroup, triggerSection);
        assertThat(sparseGroups).containsKey(groupKey_valid);
        assertThat(sparseGroups).doesNotContainKey(groupKey_invalid);
    }

    @Test
    @EnableFlags({FLAG_NOTIFICATION_FORCE_GROUPING, FLAG_NOTIFICATION_FORCE_GROUP_CONVERSATIONS})
    public void testNonGroupableChildren_singletonGroups_enableConversations() {
        // Check that singleton groups with children that are not groupable, is not grouped
        // Conversations are groupable (FLAG_NOTIFICATION_FORCE_GROUP_CONVERSATIONS is enabled)
        // The invalid group is the alerting notifications: because the triggering notifications'
        // section is Conversations, so the alerting group should be skipped.
        final List<NotificationRecord> notificationList = new ArrayList<>();
        final ArrayMap<String, NotificationRecord> summaryByGroup = new ArrayMap<>();
        final String pkg = "package";

        // Trigger notification, ungrouped conversation
        final int triggerId = 1;
        NotificationRecord triggerNotification = getNotificationRecord(pkg, triggerId,
                String.valueOf(triggerId), UserHandle.SYSTEM);
        triggerNotification = spy(triggerNotification);
        when(triggerNotification.isConversation()).thenReturn(true);
        notificationList.add(triggerNotification);
        final NotificationSectioner triggerSection = GroupHelper.getSection(triggerNotification);
        final FullyQualifiedGroupKey triggerFullAggregateGroupKey = new FullyQualifiedGroupKey(
                triggerNotification.getUserId(), triggerNotification.getSbn().getPackageName(),
                triggerSection);

        // Add singleton group with conversation child
        final String groupName_valid = "testGrp_valid";
        final int summaryId_valid = 0;
        NotificationRecord summary = getNotificationRecord(pkg, summaryId_valid,
                String.valueOf(summaryId_valid), UserHandle.SYSTEM, groupName_valid, true);
        summary = spy(summary);
        when(summary.isConversation()).thenReturn(true);
        notificationList.add(summary);
        summaryByGroup.put(summary.getGroupKey(), summary);
        final String groupKey_valid = summary.getGroupKey();
        NotificationRecord child = getNotificationRecord(pkg, summaryId_valid + 42,
                String.valueOf(summaryId_valid + 42), UserHandle.SYSTEM, groupName_valid, false);
        child = spy(child);
        when(child.isConversation()).thenReturn(true);
        notificationList.add(child);

        // Add singleton group with non-conversation child
        final String groupName_invalid = "testGrp_invalid";
        final int summaryId_invalid = 100;
        summary = getNotificationRecord(pkg, summaryId_invalid,
                String.valueOf(summaryId_invalid), UserHandle.SYSTEM, groupName_invalid, true);
        notificationList.add(summary);
        final String groupKey_invalid = summary.getGroupKey();
        summaryByGroup.put(summary.getGroupKey(), summary);
        child = getNotificationRecord(pkg, summaryId_invalid + 42,
                String.valueOf(summaryId_invalid + 42), UserHandle.SYSTEM, groupName_invalid,
                false);
        notificationList.add(child);

        // Check that the invalid group will not be force grouped
        final ArrayMap<String, NotificationRecord> sparseGroups = mGroupHelper.getSparseGroups(
                triggerFullAggregateGroupKey, notificationList, summaryByGroup, triggerSection);
        assertThat(sparseGroups).containsKey(groupKey_valid);
        assertThat(sparseGroups).doesNotContainKey(groupKey_invalid);
    }

    @Test
    @EnableFlags(FLAG_NOTIFICATION_FORCE_GROUPING)
    @DisableFlags(FLAG_NOTIFICATION_FORCE_GROUP_CONVERSATIONS)
    public void testNonGroupableNotifications() {
        // Check that there is no valid section for: conversations, calls, foreground services
        NotificationRecord notification_conversation = mock(NotificationRecord.class);
        when(notification_conversation.isConversation()).thenReturn(true);
        assertThat(GroupHelper.getSection(notification_conversation)).isNull();

        NotificationRecord notification_call = spy(getNotificationRecord(mPkg, 0, "", mUser,
                "", false, IMPORTANCE_LOW));
        Notification n = mock(Notification.class);
        StatusBarNotification sbn = spy(getSbn("package", 0, "0", UserHandle.SYSTEM));
        when(notification_call.isConversation()).thenReturn(false);
        when(notification_call.getNotification()).thenReturn(n);
        when(notification_call.getSbn()).thenReturn(sbn);
        when(sbn.getNotification()).thenReturn(n);
        when(n.isStyle(Notification.CallStyle.class)).thenReturn(true);
        assertThat(GroupHelper.getSection(notification_call)).isNull();

        NotificationRecord notification_colorFg = spy(getNotificationRecord(mPkg, 0, "", mUser,
                "", false, IMPORTANCE_LOW));
        sbn = spy(getSbn("package", 0, "0", UserHandle.SYSTEM));
        n = mock(Notification.class);
        when(notification_colorFg.isConversation()).thenReturn(false);
        when(notification_colorFg.getNotification()).thenReturn(n);
        when(notification_colorFg.getSbn()).thenReturn(sbn);
        when(sbn.getNotification()).thenReturn(n);
        when(n.isForegroundService()).thenReturn(true);
        when(n.isColorized()).thenReturn(true);
        when(n.isStyle(Notification.CallStyle.class)).thenReturn(false);
        assertThat(GroupHelper.getSection(notification_colorFg)).isNull();

        NotificationRecord notification_media = spy(getNotificationRecord(mPkg, 0, "", mUser,
                "", false, IMPORTANCE_LOW));
        n = mock(Notification.class);
        sbn = spy(getSbn("package", 0, "0", UserHandle.SYSTEM));
        when(notification_media.isConversation()).thenReturn(false);
        when(notification_media.getNotification()).thenReturn(n);
        when(notification_media.getSbn()).thenReturn(sbn);
        when(sbn.getNotification()).thenReturn(n);
        when(n.isMediaNotification()).thenReturn(true);
        assertThat(GroupHelper.getSection(notification_media)).isNull();
    }

    @Test
    @EnableFlags(FLAG_NOTIFICATION_FORCE_GROUPING)
    @DisableFlags(FLAG_NOTIFICATION_CLASSIFICATION)
    public void testGroupSectioners() {
        final NotificationRecord notification_alerting = getNotificationRecord(mPkg, 0, "", mUser,
                "", false, IMPORTANCE_DEFAULT);
        assertThat(GroupHelper.getSection(notification_alerting).mName).isEqualTo(
                "AlertingSection");

        final NotificationRecord notification_silent = getNotificationRecord(mPkg, 0, "", mUser,
                "", false, IMPORTANCE_LOW);
        assertThat(GroupHelper.getSection(notification_silent).mName).isEqualTo("SilentSection");

        // Check that special categories are grouped by their importance
        final NotificationChannel promoChannel = new NotificationChannel(
                NotificationChannel.PROMOTIONS_ID, NotificationChannel.PROMOTIONS_ID,
                IMPORTANCE_DEFAULT);
        final NotificationRecord notification_promotion = getNotificationRecord(mPkg, 0, "", mUser,
                "", false, promoChannel);
        assertThat(GroupHelper.getSection(notification_promotion).mName).isEqualTo(
                "AlertingSection");

        final NotificationChannel newsChannel = new NotificationChannel(NotificationChannel.NEWS_ID,
                NotificationChannel.NEWS_ID, IMPORTANCE_DEFAULT);
        final NotificationRecord notification_news = getNotificationRecord(mPkg, 0, "", mUser,
                "", false, newsChannel);
        assertThat(GroupHelper.getSection(notification_news).mName).isEqualTo(
                "AlertingSection");

        final NotificationChannel socialChannel = new NotificationChannel(
                NotificationChannel.SOCIAL_MEDIA_ID, NotificationChannel.SOCIAL_MEDIA_ID,
                IMPORTANCE_DEFAULT);
        final NotificationRecord notification_social = getNotificationRecord(mPkg, 0, "", mUser,
                "", false, socialChannel);
        assertThat(GroupHelper.getSection(notification_social).mName).isEqualTo(
                "AlertingSection");

        final NotificationChannel recsChannel = new NotificationChannel(NotificationChannel.RECS_ID,
                NotificationChannel.RECS_ID, IMPORTANCE_DEFAULT);
        final NotificationRecord notification_recs = getNotificationRecord(mPkg, 0, "", mUser,
                "", false, recsChannel);
        assertThat(GroupHelper.getSection(notification_recs).mName).isEqualTo(
                "AlertingSection");
    }

    @Test
    @EnableFlags({FLAG_NOTIFICATION_FORCE_GROUPING, FLAG_NOTIFICATION_CLASSIFICATION})
    public void testGroupSectioners_withClassificationSections() {
        final NotificationRecord notification_alerting = getNotificationRecord(mPkg, 0, "", mUser,
                "", false, IMPORTANCE_DEFAULT);
        assertThat(GroupHelper.getSection(notification_alerting).mName).isEqualTo(
                "AlertingSection");

        final NotificationRecord notification_silent = getNotificationRecord(mPkg, 0, "", mUser,
                "", false, IMPORTANCE_LOW);
        assertThat(GroupHelper.getSection(notification_silent).mName).isEqualTo("SilentSection");

        // Check that special categories are grouped in their own sections
        final NotificationChannel promoChannel = new NotificationChannel(
                NotificationChannel.PROMOTIONS_ID, NotificationChannel.PROMOTIONS_ID,
                IMPORTANCE_LOW);
        final NotificationRecord notification_promotion = getNotificationRecord(mPkg, 0, "", mUser,
                "", false, promoChannel);
        assertThat(GroupHelper.getSection(notification_promotion).mName).isEqualTo(
                "PromotionsSection");

        final NotificationChannel newsChannel = new NotificationChannel(NotificationChannel.NEWS_ID,
                NotificationChannel.NEWS_ID, IMPORTANCE_LOW);
        final NotificationRecord notification_news = getNotificationRecord(mPkg, 0, "", mUser,
                "", false, newsChannel);
        assertThat(GroupHelper.getSection(notification_news).mName).isEqualTo(
                "NewsSection");

        final NotificationChannel socialChannel = new NotificationChannel(
                NotificationChannel.SOCIAL_MEDIA_ID, NotificationChannel.SOCIAL_MEDIA_ID,
                IMPORTANCE_LOW);
        final NotificationRecord notification_social = getNotificationRecord(mPkg, 0, "", mUser,
                "", false, socialChannel);
        assertThat(GroupHelper.getSection(notification_social).mName).isEqualTo(
                "SocialSection");

        final NotificationChannel recsChannel = new NotificationChannel(NotificationChannel.RECS_ID,
                NotificationChannel.RECS_ID, IMPORTANCE_LOW);
        final NotificationRecord notification_recs = getNotificationRecord(mPkg, 0, "", mUser,
                "", false, recsChannel);
        assertThat(GroupHelper.getSection(notification_recs).mName).isEqualTo(
                "RecsSection");

        // Check that bundle categories with importance > IMPORTANCE_LOW are grouped into Alerting
        final NotificationChannel promoChannelAlerting = new NotificationChannel(
                NotificationChannel.PROMOTIONS_ID, NotificationChannel.PROMOTIONS_ID,
                IMPORTANCE_DEFAULT);
        final NotificationRecord notification_promotion_alerting = getNotificationRecord(mPkg, 0,
                "", mUser, "", false, promoChannelAlerting);
        assertThat(GroupHelper.getSection(notification_promotion_alerting).mName).isEqualTo(
                "AlertingSection");

        final NotificationChannel newsChannelAlerting = new NotificationChannel(
                NotificationChannel.NEWS_ID, NotificationChannel.NEWS_ID, IMPORTANCE_DEFAULT);
        final NotificationRecord notification_news_alerting = getNotificationRecord(mPkg, 0, "",
                mUser, "", false, newsChannelAlerting);
        assertThat(GroupHelper.getSection(notification_news_alerting).mName).isEqualTo(
                "AlertingSection");

        final NotificationChannel socialChannelAlerting = new NotificationChannel(
                NotificationChannel.SOCIAL_MEDIA_ID, NotificationChannel.SOCIAL_MEDIA_ID,
                IMPORTANCE_DEFAULT);
        final NotificationRecord notification_social_alerting = getNotificationRecord(mPkg, 0, "",
                mUser, "", false, socialChannelAlerting);
        assertThat(GroupHelper.getSection(notification_social_alerting).mName).isEqualTo(
                "AlertingSection");

        final NotificationChannel recsChannelAlerting = new NotificationChannel(
                NotificationChannel.RECS_ID, NotificationChannel.RECS_ID, IMPORTANCE_DEFAULT);
        final NotificationRecord notification_recs_alerting = getNotificationRecord(mPkg, 0, "",
                mUser, "", false, recsChannelAlerting);
        assertThat(GroupHelper.getSection(notification_recs_alerting).mName).isEqualTo(
                "AlertingSection");
    }

    @Test
    @EnableFlags({FLAG_NOTIFICATION_FORCE_GROUPING, FLAG_NOTIFICATION_FORCE_GROUP_CONVERSATIONS})
    public void testNonGroupableNotifications_forceGroupConversations() {
        // Check that there is no valid section for: calls, foreground services, media notifications
        NotificationRecord notification_call = spy(getNotificationRecord(mPkg, 0, "", mUser,
                "", false, IMPORTANCE_LOW));
        Notification n = mock(Notification.class);
        StatusBarNotification sbn = spy(getSbn("package", 0, "0", UserHandle.SYSTEM));
        when(notification_call.isConversation()).thenReturn(false);
        when(notification_call.getNotification()).thenReturn(n);
        when(notification_call.getSbn()).thenReturn(sbn);
        when(sbn.getNotification()).thenReturn(n);
        when(n.isStyle(Notification.CallStyle.class)).thenReturn(true);
        assertThat(GroupHelper.getSection(notification_call)).isNull();

        NotificationRecord notification_colorFg = spy(getNotificationRecord(mPkg, 0, "", mUser,
                "", false, IMPORTANCE_LOW));
        sbn = spy(getSbn("package", 0, "0", UserHandle.SYSTEM));
        n = mock(Notification.class);
        when(notification_colorFg.isConversation()).thenReturn(false);
        when(notification_colorFg.getNotification()).thenReturn(n);
        when(notification_colorFg.getSbn()).thenReturn(sbn);
        when(sbn.getNotification()).thenReturn(n);
        when(n.isForegroundService()).thenReturn(true);
        when(n.isColorized()).thenReturn(true);
        when(n.isStyle(Notification.CallStyle.class)).thenReturn(false);
        assertThat(GroupHelper.getSection(notification_colorFg)).isNull();

        NotificationRecord notification_media = spy(getNotificationRecord(mPkg, 0, "", mUser,
                "", false, IMPORTANCE_LOW));
        n = mock(Notification.class);
        sbn = spy(getSbn("package", 0, "0", UserHandle.SYSTEM));
        when(notification_media.isConversation()).thenReturn(false);
        when(notification_media.getNotification()).thenReturn(n);
        when(notification_media.getSbn()).thenReturn(sbn);
        when(sbn.getNotification()).thenReturn(n);
        when(n.isMediaNotification()).thenReturn(true);
        assertThat(GroupHelper.getSection(notification_media)).isNull();
    }

    @Test
    @EnableFlags({FLAG_NOTIFICATION_FORCE_GROUPING, FLAG_NOTIFICATION_FORCE_GROUP_CONVERSATIONS})
    @DisableFlags(FLAG_SORT_SECTION_BY_TIME)
    public void testConversationGroupSections_disableSortSectionByTime() {
        // Check that there are separate sections for conversations: alerting and silent
        NotificationRecord notification_conversation_silent = getNotificationRecord(mPkg, 0, "",
                mUser, "", false, IMPORTANCE_LOW);
        notification_conversation_silent = spy(notification_conversation_silent);
        when(notification_conversation_silent.isConversation()).thenReturn(true);
        assertThat(GroupHelper.getSection(notification_conversation_silent).mName).isEqualTo(
                "PeopleSection(silent)");

        // Check that there is a correct section for conversations
        NotificationRecord notification_conversation_alerting = getNotificationRecord(mPkg, 0, "",
                mUser, "", false, IMPORTANCE_DEFAULT);
        notification_conversation_alerting = spy(notification_conversation_alerting);
        when(notification_conversation_alerting.isConversation()).thenReturn(true);
        assertThat(GroupHelper.getSection(notification_conversation_alerting).mName).isEqualTo(
                "PeopleSection(alerting)");
    }

    @Test
    @EnableFlags({FLAG_NOTIFICATION_FORCE_GROUPING,
            FLAG_NOTIFICATION_FORCE_GROUP_CONVERSATIONS,
            FLAG_SORT_SECTION_BY_TIME})
    public void testConversationGroupSections() {
        // Check that there is a single section for silent/alerting conversations
        NotificationRecord notification_conversation_silent = getNotificationRecord(mPkg, 0, "",
                mUser, "", false, IMPORTANCE_LOW);
        notification_conversation_silent = spy(notification_conversation_silent);
        when(notification_conversation_silent.isConversation()).thenReturn(true);
        assertThat(GroupHelper.getSection(notification_conversation_silent).mName).isEqualTo(
                "PeopleSection");

        NotificationRecord notification_conversation_alerting = getNotificationRecord(mPkg, 0, "",
                mUser, "", false, IMPORTANCE_DEFAULT);
        notification_conversation_alerting = spy(notification_conversation_alerting);
        when(notification_conversation_alerting.isConversation()).thenReturn(true);
        assertThat(GroupHelper.getSection(notification_conversation_alerting).mName).isEqualTo(
                "PeopleSection");

        // Check that there is a section for priority conversations
        NotificationRecord notification_conversation_prio = getNotificationRecord(mPkg, 0, "",
                mUser, "", false, IMPORTANCE_DEFAULT);
        notification_conversation_prio = spy(notification_conversation_prio);
        when(notification_conversation_prio.isConversation()).thenReturn(true);
        notification_conversation_prio.getChannel().setImportantConversation(true);
        assertThat(GroupHelper.getSection(notification_conversation_prio).mName).isEqualTo(
                "PeopleSection(priority)");
    }

    @Test
    @EnableFlags(FLAG_NOTIFICATION_FORCE_GROUPING)
    public void onNotificationRemoved_lastChildOfCachedSummary_firesCachedSummaryDeleteIntent() {
        final List<NotificationRecord> notificationList = new ArrayList<>();
        final ArrayMap<String, NotificationRecord> summaryByGroup = new ArrayMap<>();
        final String pkg = "package";
        NotificationRecord onlyChildOfFirstGroup = null;
        PendingIntent deleteIntentofFirstSummary = PendingIntent.getActivity(mContext, 1,
                new Intent(), PendingIntent.FLAG_IMMUTABLE);
        // Post singleton groups, above forced group limit, so they are force grouped
        for (int i = 0; i < AUTOGROUP_AT_COUNT; i++) {
            NotificationRecord summary = getNotificationRecord(pkg, i,
                    String.valueOf(i), UserHandle.SYSTEM, "testGrp " + i, true);
            notificationList.add(summary);
            NotificationRecord child = getNotificationRecord(pkg, i + 42,
                    String.valueOf(i + 42), UserHandle.SYSTEM, "testGrp " + i, false);
            notificationList.add(child);
            summaryByGroup.put(summary.getGroupKey(), summary);
            if (i == 0) {
                onlyChildOfFirstGroup = child;
                summary.getNotification().deleteIntent = deleteIntentofFirstSummary;
            }
            mGroupHelper.onNotificationPostedWithDelay(child, notificationList, summaryByGroup);
            summary.isCanceled = true;  // simulate removing the app summary
            mGroupHelper.onNotificationPostedWithDelay(summary, notificationList, summaryByGroup);
        }
        // Sparse group autogrouping would've removed the summary.
        notificationList.remove(0);

        // Now remove the only child of the first (force-grouped, cuz sparse) group.
        notificationList.remove(0);
        onlyChildOfFirstGroup.isCanceled = true;
        mGroupHelper.onNotificationRemoved(onlyChildOfFirstGroup, notificationList, true);

        verify(mCallback).sendAppProvidedSummaryDeleteIntent(eq(pkg),
                eq(deleteIntentofFirstSummary));
    }

    @Test
    @EnableFlags(FLAG_NOTIFICATION_FORCE_GROUPING)
    public void testGroupSummaryAdded_hadUngroupedNotif_doesNotAutogroup() {
        // Scenario:
        //  * child notification posted before summary; added to ungrouped notifications
        //  * summary posted, so now the child has a group summary and is no longer "ungrouped
        //  * another ungrouped notification is posted
        // Confirm that the first notification (that now has a summary) is not autogrouped.

        // Bookkeeping items
        List<NotificationRecord> notifList = new ArrayList<>();
        Map<String, NotificationRecord> summaryByGroupKey = new HashMap<>();

        // Setup: post AUTOGROUP_AT_COUNT - 2 notifications so that the next notification would not
        // trigger autogrouping, but the one after that would
        for (int i = 0; i < AUTOGROUP_AT_COUNT - 2; i++) {
            NotificationRecord child = getNotificationRecord(mPkg, i, "", mUser, "group" + i, false,
                    IMPORTANCE_DEFAULT);
            notifList.add(child);
            mGroupHelper.onNotificationPostedWithDelay(child, notifList, summaryByGroupKey);
        }

        // Group child: posted enough before its associated summary to be put in the "ungrouped"
        // set of notifications
        NotificationRecord groupChild = getNotificationRecord(mPkg, AUTOGROUP_AT_COUNT - 2, "",
                mUser, "specialGroup", false, IMPORTANCE_DEFAULT);
        notifList.add(groupChild);
        mGroupHelper.onNotificationPostedWithDelay(groupChild, notifList, summaryByGroupKey);

        // Group summary: posted after child 1
        NotificationRecord groupSummary = getNotificationRecord(mPkg, AUTOGROUP_AT_COUNT - 1, "",
                mUser, "specialGroup", true, IMPORTANCE_DEFAULT);
        notifList.add(groupSummary);
        summaryByGroupKey.put(groupSummary.getSbn().getGroupKey(), groupSummary);
        mGroupHelper.onGroupSummaryAdded(groupSummary, notifList);
        mGroupHelper.onNotificationPostedWithDelay(groupSummary, notifList, summaryByGroupKey);

        // One more notification posted to the group; because its summary already exists, it should
        // never be counted as an "ungrouped" notification
        NotificationRecord groupChild2 = getNotificationRecord(mPkg, AUTOGROUP_AT_COUNT, "",
                mUser, "specialGroup", false, IMPORTANCE_DEFAULT);
        notifList.add(groupChild2);
        mGroupHelper.onNotificationPostedWithDelay(groupChild2, notifList, summaryByGroupKey);

        // Now one more ungrouped notification; this would have put the number of "ungrouped"
        // notifications above the limit if the first groupChild notification were left ungrouped
        NotificationRecord extra = getNotificationRecord(mPkg, AUTOGROUP_AT_COUNT + 1, "", mUser,
                "yetAnotherGroup", false, IMPORTANCE_DEFAULT);
        notifList.add(extra);
        mGroupHelper.onNotificationPostedWithDelay(extra, notifList, summaryByGroupKey);

        // no autogrouping should have occurred
        verifyNoMoreInteractions(mCallback);
    }

    @Test
    @EnableFlags(FLAG_NOTIFICATION_FORCE_GROUPING)
    public void testGroupSummaryAdded_onlyUnrelatedGroupedNotifs() {
        // If all of the existing ungrouped notifications have nothing to do with the summary
        // they should still get grouped as needed.
        List<NotificationRecord> notifList = new ArrayList<>();
        Map<String, NotificationRecord> summaryByGroupKey = new HashMap<>();

        // Post 1 fewer than the autogroupable notifications, each associated with a different
        // group without a summary.
        for (int i = 0; i < AUTOGROUP_AT_COUNT - 1; i++) {
            NotificationRecord child = getNotificationRecord(mPkg, i, "", mUser, "group" + i, false,
                    IMPORTANCE_DEFAULT);
            notifList.add(child);
            mGroupHelper.onNotificationPostedWithDelay(child, notifList, summaryByGroupKey);
        }

        // At this point we do not yet expect autogrouping.
        // Add a group summary that is a summary associated with none of the above notifications.
        // Because this gets considered a "summary without children", all of these notifications
        // should now be autogrouped.
        NotificationRecord summary = getNotificationRecord(mPkg, AUTOGROUP_AT_COUNT, "", mUser,
                "summaryGroup", true, IMPORTANCE_DEFAULT);
        notifList.add(summary);
        summaryByGroupKey.put(summary.getSbn().getKey(), summary);
        mGroupHelper.onGroupSummaryAdded(summary, notifList);
        mGroupHelper.onNotificationPostedWithDelay(summary, notifList, summaryByGroupKey);

        // all of the above posted notifications should be autogrouped
        String expectedGroupKey = getExpectedAutogroupKey(
                getNotificationRecord(mPkg, 0, String.valueOf(0), mUser));
        verify(mCallback, times(1)).addAutoGroupSummary(
                anyInt(), eq(mPkg), anyString(), eq(expectedGroupKey),
                anyInt(), eq(getNotificationAttributes(BASE_FLAGS)));
        verify(mCallback, times(AUTOGROUP_AT_COUNT)).addAutoGroup(anyString(),
                eq(expectedGroupKey), anyBoolean());
    }
}