| /* |
| * 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.am; |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertNotNull; |
| import static org.junit.Assert.assertTrue; |
| |
| import static androidx.test.InstrumentationRegistry.getTargetContext; |
| |
| import android.content.pm.UserInfo; |
| import android.os.UserHandle; |
| import android.os.UserManager; |
| import android.platform.test.annotations.Presubmit; |
| import android.util.SparseBooleanArray; |
| |
| import org.junit.After; |
| import org.junit.Before; |
| import org.junit.Test; |
| |
| import androidx.test.filters.FlakyTest; |
| |
| /** |
| * Tests for {@link TaskPersister}. |
| * |
| * Build/Install/Run: |
| * atest FrameworksServicesTests:TaskPersisterTest |
| */ |
| @Presubmit |
| @FlakyTest(detail = "Promote to presubmit if stable") |
| public class TaskPersisterTest { |
| private static final String TEST_USER_NAME = "AM-Test-User"; |
| |
| private TaskPersister mTaskPersister; |
| private int testUserId; |
| private UserManager mUserManager; |
| |
| @Before |
| public void setUp() throws Exception { |
| mUserManager = UserManager.get(getTargetContext()); |
| mTaskPersister = new TaskPersister(getTargetContext().getFilesDir()); |
| // In ARC, the maximum number of supported users is one, which is different from the ones of |
| // most phones (more than 4). This prevents TaskPersisterTest from creating another user for |
| // test. However, since guest users can be added as much as possible, we create guest user |
| // in the test. |
| testUserId = createUser(TEST_USER_NAME, UserInfo.FLAG_GUEST); |
| } |
| |
| @After |
| public void tearDown() throws Exception { |
| mTaskPersister.unloadUserDataFromMemory(testUserId); |
| removeUser(testUserId); |
| } |
| |
| private int getRandomTaskIdForUser(int userId) { |
| int taskId = (int) (Math.random() * UserHandle.PER_USER_RANGE); |
| taskId += UserHandle.PER_USER_RANGE * userId; |
| return taskId; |
| } |
| |
| @Test |
| public void testTaskIdsPersistence() { |
| SparseBooleanArray taskIdsOnFile = new SparseBooleanArray(); |
| for (int i = 0; i < 100; i++) { |
| taskIdsOnFile.put(getRandomTaskIdForUser(testUserId), true); |
| } |
| mTaskPersister.writePersistedTaskIdsForUser(taskIdsOnFile, testUserId); |
| SparseBooleanArray newTaskIdsOnFile = mTaskPersister |
| .loadPersistedTaskIdsForUser(testUserId); |
| assertEquals("TaskIds written differ from TaskIds read back from file", |
| taskIdsOnFile, newTaskIdsOnFile); |
| } |
| |
| private int createUser(String name, int flags) { |
| UserInfo user = mUserManager.createUser(name, flags); |
| assertNotNull("Error while creating the test user: " + TEST_USER_NAME, user); |
| return user.id; |
| } |
| |
| private void removeUser(int userId) { |
| boolean userRemoved = mUserManager.removeUser(userId); |
| assertTrue("Error while removing the test user: " + TEST_USER_NAME, userRemoved); |
| } |
| } |