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      1 /*
      2  * Copyright (C) 2017 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.app.cts;
     18 
     19 import static android.content.Context.ACTIVITY_SERVICE;
     20 
     21 import static org.junit.Assert.assertEquals;
     22 import static org.junit.Assert.assertNotNull;
     23 import static org.junit.Assert.fail;
     24 
     25 import android.app.Activity;
     26 import android.app.ActivityManager;
     27 import android.app.ActivityManager.RecentTaskInfo;
     28 import android.app.ActivityManager.TaskDescription;
     29 import android.app.stubs.MockActivity;
     30 import android.graphics.Bitmap;
     31 import android.graphics.Color;
     32 import android.os.SystemClock;
     33 import android.platform.test.annotations.Presubmit;
     34 
     35 import androidx.test.rule.ActivityTestRule;
     36 import androidx.test.runner.AndroidJUnit4;
     37 
     38 import org.junit.Rule;
     39 import org.junit.Test;
     40 import org.junit.runner.RunWith;
     41 
     42 import java.util.List;
     43 import java.util.function.BooleanSupplier;
     44 
     45 /**
     46  * Build & Run: atest android.app.cts.TaskDescriptionTest
     47  */
     48 @RunWith(AndroidJUnit4.class)
     49 @Presubmit
     50 public class TaskDescriptionTest {
     51     private static final String TEST_LABEL = "test-label";
     52     private static final int TEST_NO_DATA = 0;
     53     private static final int TEST_RES_DATA = 777;
     54     private static final int TEST_COLOR = Color.BLACK;
     55     private static final int WAIT_TIMEOUT_MS = 1000;
     56     private static final int WAIT_RETRIES = 5;
     57 
     58     @Rule
     59     public ActivityTestRule<MockActivity> mTaskDescriptionActivity =
     60         new ActivityTestRule<>(MockActivity.class,
     61             false /* initialTouchMode */, false /* launchActivity */);
     62 
     63     @Test
     64     public void testBitmapConstructor() throws Exception {
     65         final Activity activity = mTaskDescriptionActivity.launchActivity(null);
     66         final Bitmap bitmap = Bitmap.createBitmap(1, 1, Bitmap.Config.ARGB_8888);
     67         bitmap.eraseColor(0);
     68         activity.setTaskDescription(new TaskDescription(TEST_LABEL, bitmap, TEST_COLOR));
     69         assertTaskDescription(activity, TEST_LABEL, TEST_NO_DATA);
     70     }
     71 
     72     @Test
     73     public void testResourceConstructor() throws Exception {
     74         final Activity activity = mTaskDescriptionActivity.launchActivity(null);
     75         activity.setTaskDescription(new TaskDescription(TEST_LABEL, TEST_RES_DATA, TEST_COLOR));
     76         assertTaskDescription(activity, TEST_LABEL, TEST_RES_DATA);
     77     }
     78 
     79     private void assertTaskDescription(Activity activity, String label, int resId) {
     80         final ActivityManager am = (ActivityManager) activity.getSystemService(ACTIVITY_SERVICE);
     81         List<RecentTaskInfo> recentsTasks = am.getRecentTasks(1 /* maxNum */, 0 /* flags */);
     82         if (!recentsTasks.isEmpty()) {
     83             final RecentTaskInfo info = recentsTasks.get(0);
     84             if (activity.getTaskId() == info.id) {
     85                 final TaskDescription td = info.taskDescription;
     86                 assertNotNull(td);
     87                 if (resId == TEST_NO_DATA) {
     88                     // TaskPersister at the worst case scenario waits 3 secs (PRE_TASK_DELAY_MS) to
     89                     // write the image to disk if its write time has ended
     90                     waitFor("TaskDescription's icon is null", () -> td.getIcon() != null);
     91                     waitFor("TaskDescription's icon filename is null",
     92                             () -> td.getIconFilename() != null);
     93                 } else {
     94                     waitFor("TaskDescription's icon is not null", () -> td.getIcon() == null);
     95                     waitFor("TaskDescription's icon filename is not null",
     96                             () -> td.getIconFilename() == null);
     97                 }
     98 
     99                 assertEquals(resId, td.getIconResource());
    100                 assertEquals(label, td.getLabel());
    101                 return;
    102             }
    103         }
    104         fail("Did not find activity (id=" + activity.getTaskId() + ") in recent tasks list");
    105     }
    106 
    107     private void waitFor(String message, BooleanSupplier waitCondition) {
    108         for (int retry = 0; retry < WAIT_RETRIES; retry++) {
    109             if (waitCondition.getAsBoolean()) {
    110                 return;
    111             }
    112             SystemClock.sleep(WAIT_TIMEOUT_MS);
    113         }
    114         fail(message);
    115     }
    116 }
    117