content: /*
   * Copyright (C) 2020 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.google.android.exoplayer2;
  
  import static com.google.common.truth.Truth.assertThat;
  
  import android.content.Context;
  import android.os.PowerManager.WakeLock;
  import androidx.test.core.app.ApplicationProvider;
  import androidx.test.ext.junit.runners.AndroidJUnit4;
  import org.junit.Before;
  import org.junit.Test;
  import org.junit.runner.RunWith;
  import org.robolectric.shadows.ShadowPowerManager;
  
  /** Unit tests for {@link WakeLockManager} */
  @RunWith(AndroidJUnit4.class)
  public class WakeLockManagerTest {
  
    private Context context;
  
    @Before
    public void setUp() {
      context = ApplicationProvider.getApplicationContext();
    }
  
    @Test
    public void stayAwakeFalse_wakeLockIsNeverHeld() {
      WakeLockManager wakeLockManager = new WakeLockManager(context);
      wakeLockManager.setEnabled(true);
      wakeLockManager.setStayAwake(false);
  
      WakeLock wakeLock = ShadowPowerManager.getLatestWakeLock();
      assertThat(wakeLock.isHeld()).isFalse();
  
      wakeLockManager.setEnabled(false);
  
      assertThat(wakeLock.isHeld()).isFalse();
    }
  
    @Test
    public void stayAwakeTrue_wakeLockIsOnlyHeldWhenEnabled() {
      WakeLockManager wakeLockManager = new WakeLockManager(context);
      wakeLockManager.setEnabled(true);
      wakeLockManager.setStayAwake(true);
  
      WakeLock wakeLock = ShadowPowerManager.getLatestWakeLock();
  
      assertThat(wakeLock.isHeld()).isTrue();
  
      wakeLockManager.setEnabled(false);
  
      assertThat(wakeLock.isHeld()).isFalse();
    }
  }
  