1 /* 2 * Copyright (C) 2019 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 android.permission.cts; 18 19 import static android.net.NetworkStack.PERMISSION_MAINLINE_NETWORK_STACK; 20 21 import static org.junit.Assert.assertNotNull; 22 import static org.junit.Assert.fail; 23 24 import android.content.Context; 25 import android.content.pm.PackageInfo; 26 import android.content.pm.PackageManager; 27 import android.content.pm.PermissionInfo; 28 import android.platform.test.annotations.AppModeFull; 29 30 import androidx.test.InstrumentationRegistry; 31 import androidx.test.runner.AndroidJUnit4; 32 33 import org.junit.Test; 34 import org.junit.runner.RunWith; 35 36 @RunWith(AndroidJUnit4.class) 37 public class MainlineNetworkStackPermissionTest{ 38 private final Context mContext = InstrumentationRegistry.getContext(); 39 40 /** 41 * Test that a package defining android.permission.MAINLINE_NETWORK_STACK is installed, 42 * and is a system package 43 */ 44 @Test 45 @AppModeFull(reason = "Instant apps cannot access PackageManager#getPermissionInfo") testPackageWithMainlineNetworkStackPermission()46 public void testPackageWithMainlineNetworkStackPermission() throws Exception { 47 final PackageManager packageManager = mContext.getPackageManager(); 48 assertNotNull("Unable to find PackageManager.", packageManager); 49 50 final PermissionInfo permissioninfo = 51 packageManager.getPermissionInfo(PERMISSION_MAINLINE_NETWORK_STACK, 0); 52 assertNotNull("Network stack permission is not defined.", permissioninfo); 53 54 PackageInfo packageInfo = packageManager.getPackageInfo(permissioninfo.packageName, 55 PackageManager.MATCH_SYSTEM_ONLY | PackageManager.GET_PERMISSIONS); 56 assertNotNull("Package defining the network stack permission is not a system package.", 57 packageInfo.permissions); 58 59 for (PermissionInfo permission : packageInfo.permissions) { 60 if (PERMISSION_MAINLINE_NETWORK_STACK.equals(permission.name)) { 61 return; 62 } 63 } 64 65 fail("Expect a system package defining " + PERMISSION_MAINLINE_NETWORK_STACK 66 + " is installed."); 67 } 68 } 69