content: /*
   * Copyright 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.source;
  
  import static com.google.common.truth.Truth.assertThat;
  import static org.junit.Assert.assertThrows;
  
  import android.net.Uri;
  import androidx.test.ext.junit.runners.AndroidJUnit4;
  import com.google.android.exoplayer2.MediaItem;
  import com.google.android.exoplayer2.util.MimeTypes;
  import org.junit.Test;
  import org.junit.runner.RunWith;
  
  /** Unit tests for {@link SilenceMediaSource}. */
  @RunWith(AndroidJUnit4.class)
  public class SilenceMediaSourceTest {
  
    @Test
    public void builder_setsMediaItem() {
      SilenceMediaSource mediaSource =
          new SilenceMediaSource.Factory().setDurationUs(1_000_000).createMediaSource();
  
      MediaItem mediaItem = mediaSource.getMediaItem();
  
      assertThat(mediaItem).isNotNull();
      assertThat(mediaItem.mediaId).isEqualTo(SilenceMediaSource.MEDIA_ID);
      assertThat(mediaItem.localConfiguration.uri).isEqualTo(Uri.EMPTY);
      assertThat(mediaItem.localConfiguration.mimeType).isEqualTo(MimeTypes.AUDIO_RAW);
    }
  
    @Test
    public void builderSetTag_setsTagOfMediaItem() {
      Object tag = new Object();
  
      SilenceMediaSource mediaSource =
          new SilenceMediaSource.Factory().setTag(tag).setDurationUs(1_000_000).createMediaSource();
  
      assertThat(mediaSource.getMediaItem().localConfiguration.tag).isEqualTo(tag);
    }
  
    @Test
    public void builderSetTag_setsTagOfMediaSource() {
      Object tag = new Object();
  
      SilenceMediaSource mediaSource =
          new SilenceMediaSource.Factory().setTag(tag).setDurationUs(1_000_000).createMediaSource();
  
      assertThat(mediaSource.getMediaItem().localConfiguration.tag).isEqualTo(tag);
    }
  
    @Test
    public void builder_setDurationUsNotCalled_throwsIllegalStateException() {
      assertThrows(IllegalStateException.class, new SilenceMediaSource.Factory()::createMediaSource);
    }
  
    @Test
    public void builderSetDurationUs_nonPositiveValue_throwsIllegalStateException() {
      SilenceMediaSource.Factory factory = new SilenceMediaSource.Factory().setDurationUs(-1);
  
      assertThrows(IllegalStateException.class, factory::createMediaSource);
    }
  
    @Test
    public void newInstance_setsMediaItem() {
      SilenceMediaSource mediaSource = new SilenceMediaSource(1_000_000);
  
      MediaItem mediaItem = mediaSource.getMediaItem();
  
      assertThat(mediaItem).isNotNull();
      assertThat(mediaItem.mediaId).isEqualTo(SilenceMediaSource.MEDIA_ID);
      assertThat(mediaSource.getMediaItem().localConfiguration.uri).isEqualTo(Uri.EMPTY);
      assertThat(mediaItem.localConfiguration.mimeType).isEqualTo(MimeTypes.AUDIO_RAW);
    }
  }
  