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.transformer;
  
  import static org.junit.Assert.assertThrows;
  
  import android.content.Context;
  import androidx.test.core.app.ApplicationProvider;
  import androidx.test.ext.junit.runners.AndroidJUnit4;
  import com.google.android.exoplayer2.util.MimeTypes;
  import org.junit.Test;
  import org.junit.runner.RunWith;
  
  /** Unit test for {@link Transformer.Builder}. */
  @RunWith(AndroidJUnit4.class)
  public class TransformerBuilderTest {
  
    @Test
    public void build_removeAudioAndVideo_throws() {
      Context context = ApplicationProvider.getApplicationContext();
  
      assertThrows(
          IllegalStateException.class,
          () -> new Transformer.Builder(context).setRemoveAudio(true).setRemoveVideo(true).build());
    }
  
    @Test
    public void build_withUnsupportedAudioMimeType_throws() {
      Context context = ApplicationProvider.getApplicationContext();
      TransformationRequest transformationRequest =
          new TransformationRequest.Builder().setAudioMimeType(MimeTypes.AUDIO_UNKNOWN).build();
  
      assertThrows(
          IllegalStateException.class,
          () ->
              new Transformer.Builder(context)
                  .setTransformationRequest(transformationRequest)
                  .build());
    }
  
    @Test
    public void build_withUnsupportedVideoMimeType_throws() {
      Context context = ApplicationProvider.getApplicationContext();
      TransformationRequest transformationRequest =
          new TransformationRequest.Builder().setVideoMimeType(MimeTypes.VIDEO_UNKNOWN).build();
  
      assertThrows(
          IllegalStateException.class,
          () ->
              new Transformer.Builder(context)
                  .setTransformationRequest(transformationRequest)
                  .build());
    }
  }
  