| /* |
| * Copyright (C) 2018 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 android.permission.cts; |
| |
| import static org.junit.Assert.fail; |
| |
| import android.content.pm.PackageInfo; |
| import android.content.pm.PackageManager; |
| import android.os.UserHandle; |
| |
| import androidx.test.InstrumentationRegistry; |
| import androidx.test.filters.SmallTest; |
| import androidx.test.runner.AndroidJUnit4; |
| |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| |
| import java.util.List; |
| |
| /** |
| * Build, install and run tests with following command: |
| * atest AppIdleStatePermissionTest |
| */ |
| @SmallTest |
| @RunWith(AndroidJUnit4.class) |
| public class AppIdleStatePermissionTest { |
| |
| /** |
| * Verify that the {@link android.Manifest.permission#CHANGE_APP_IDLE_STATE} |
| * permission is only held by at most one package. |
| */ |
| @Test |
| public void testChangeAppIdleStatePermission() throws Exception { |
| final PackageManager pm = InstrumentationRegistry.getContext().getPackageManager(); |
| final List<PackageInfo> holding = pm.getPackagesHoldingPermissions(new String[]{ |
| android.Manifest.permission.CHANGE_APP_IDLE_STATE |
| }, PackageManager.MATCH_SYSTEM_ONLY); |
| |
| int count = 0; |
| String pkgNames = ""; |
| for (PackageInfo pkg : holding) { |
| int uid = pm.getApplicationInfo(pkg.packageName, 0).uid; |
| if (UserHandle.isApp(uid)) { |
| pkgNames += pkg.packageName + "\n"; |
| count++; |
| } |
| } |
| if (count > 1) { |
| fail("Only one app may hold the CHANGE_APP_IDLE_STATE permission; found packages: \n" |
| + pkgNames); |
| } |
| } |
| } |