content: /*
   * 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 com.google.android.exoplayer2.source;
  
  import static com.google.common.truth.Truth.assertThat;
  
  import androidx.test.ext.junit.runners.AndroidJUnit4;
  import com.google.android.exoplayer2.Format;
  import com.google.android.exoplayer2.util.MimeTypes;
  import org.junit.Test;
  import org.junit.runner.RunWith;
  
  /** Unit test for {@link TrackGroupArray}. */
  @RunWith(AndroidJUnit4.class)
  public final class TrackGroupArrayTest {
  
    @Test
    public void roundTripViaBundle_ofTrackGroupArray_yieldsEqualInstance() {
      Format.Builder formatBuilder = new Format.Builder();
      Format format1 = formatBuilder.setSampleMimeType(MimeTypes.VIDEO_H264).build();
      Format format2 = formatBuilder.setSampleMimeType(MimeTypes.AUDIO_AAC).build();
      Format format3 = formatBuilder.setSampleMimeType(MimeTypes.VIDEO_H264).build();
  
      TrackGroup trackGroup1 = new TrackGroup(format1, format2);
      TrackGroup trackGroup2 = new TrackGroup(format3);
  
      TrackGroupArray trackGroupArrayToBundle = new TrackGroupArray(trackGroup1, trackGroup2);
  
      TrackGroupArray trackGroupArrayFromBundle =
          TrackGroupArray.CREATOR.fromBundle(trackGroupArrayToBundle.toBundle());
  
      assertThat(trackGroupArrayFromBundle).isEqualTo(trackGroupArrayToBundle);
    }
  }
  