1 /*
2  * Copyright (C) 2015 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 package androidx.appcompat.app;
18 
19 import static org.junit.Assert.assertNotNull;
20 import static org.junit.Assert.assertTrue;
21 
22 import android.app.Dialog;
23 import android.os.Bundle;
24 
25 import androidx.appcompat.test.R;
26 import androidx.fragment.app.DialogFragment;
27 import androidx.test.ext.junit.runners.AndroidJUnit4;
28 import androidx.test.filters.LargeTest;
29 import androidx.test.platform.app.InstrumentationRegistry;
30 
31 import org.jspecify.annotations.NonNull;
32 import org.junit.Rule;
33 import org.junit.Test;
34 import org.junit.runner.RunWith;
35 
36 @LargeTest
37 @RunWith(AndroidJUnit4.class)
38 public class AppCompatDialogFragmentTest {
39     @SuppressWarnings("deprecation")
40     @Rule
41     public final androidx.test.rule.ActivityTestRule<WindowDecorAppCompatActivity> mTestRule =
42             new androidx.test.rule.ActivityTestRule<>(WindowDecorAppCompatActivity.class);
43 
44     private DialogFragment mFragment;
45 
46     @Test
testDialogFragmentShows()47     public void testDialogFragmentShows() {
48         InstrumentationRegistry.getInstrumentation().waitForIdleSync();
49 
50         InstrumentationRegistry.getInstrumentation().runOnMainSync(
51                 () -> mFragment = new TestDialogFragment()
52         );
53         mFragment.show(mTestRule.getActivity().getSupportFragmentManager(), null);
54 
55         InstrumentationRegistry.getInstrumentation().waitForIdleSync();
56 
57         assertNotNull("Dialog was null", mFragment.getDialog());
58         assertTrue("Dialog was not being shown", mFragment.getDialog().isShowing());
59 
60         // And make sure we dismiss the dialog
61         mFragment.dismissAllowingStateLoss();
62     }
63 
64     @Test
testDialogFragmentWithLayout()65     public void testDialogFragmentWithLayout() {
66         InstrumentationRegistry.getInstrumentation().waitForIdleSync();
67 
68         InstrumentationRegistry.getInstrumentation().runOnMainSync(
69                 () -> mFragment = new AppCompatDialogFragment(R.layout.dialog_layout)
70         );
71         mFragment.show(mTestRule.getActivity().getSupportFragmentManager(), null);
72 
73         InstrumentationRegistry.getInstrumentation().waitForIdleSync();
74 
75         assertNotNull("Dialog is not null", mFragment.getDialog());
76         assertTrue("Dialog is showing", mFragment.getDialog().isShowing());
77         assertNotNull("Dialog is using custom layout",
78                 mFragment.getDialog().findViewById(R.id.dialog_content));
79 
80         // And make sure we dismiss the dialog
81         mFragment.dismissAllowingStateLoss();
82     }
83 
84     public static class TestDialogFragment extends AppCompatDialogFragment {
85         @Override
onCreateDialog(Bundle savedInstanceState)86         public @NonNull Dialog onCreateDialog(Bundle savedInstanceState) {
87             return new AlertDialog.Builder(requireContext())
88                     .setTitle("Test")
89                     .setMessage("Message")
90                     .setPositiveButton("Button", null)
91                     .create();
92         }
93     }
94 }
95 
96