content: /*
   * Copyright (C) 2019 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.util;
  
  import static com.google.common.truth.Truth.assertThat;
  
  import android.util.Pair;
  import androidx.test.ext.junit.runners.AndroidJUnit4;
  import org.junit.Test;
  import org.junit.runner.RunWith;
  
  /** Unit test for {@link CodecSpecificDataUtil}. */
  @RunWith(AndroidJUnit4.class)
  public class CodecSpecificDataUtilTest {
  
    @Test
    public void parseAlacAudioSpecificConfig() {
      byte[] alacSpecificConfig =
          new byte[] {
            0, 0, 16, 0, // frameLength
            0, // compatibleVersion
            16, // bitDepth
            40, 10, 14, // tuning parameters
            2, // numChannels = 2
            0, 0, // maxRun
            0, 0, 64, 4, // maxFrameBytes
            0, 46, -32, 0, // avgBitRate
            0, 1, 119, 0, // sampleRate = 96000
          };
      Pair<Integer, Integer> sampleRateAndChannelCount =
          CodecSpecificDataUtil.parseAlacAudioSpecificConfig(alacSpecificConfig);
      assertThat(sampleRateAndChannelCount.first).isEqualTo(96000);
      assertThat(sampleRateAndChannelCount.second).isEqualTo(2);
    }
  }
  