Share seek tests between FLAC extractors

PiperOrigin-RevId: 294893303

extensions/flac/src/androidTest/java/com/google/android/exoplayer2/ext/flac/FlacBinarySearchSeekerTest.java

-/*
- * 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.ext.flac;
-
-import static com.google.common.truth.Truth.assertThat;
-import static org.junit.Assert.fail;
-
-import androidx.test.core.app.ApplicationProvider;
-import androidx.test.ext.junit.runners.AndroidJUnit4;
-import com.google.android.exoplayer2.ext.flac.FlacBinarySearchSeeker.OutputFrameHolder;
-import com.google.android.exoplayer2.extractor.SeekMap;
-import com.google.android.exoplayer2.testutil.FakeExtractorInput;
-import com.google.android.exoplayer2.testutil.TestUtil;
-import java.io.IOException;
-import java.nio.ByteBuffer;
-import org.junit.Before;
-import org.junit.Test;
-import org.junit.runner.RunWith;
-
-/** Unit test for {@link FlacBinarySearchSeeker}. */
-@RunWith(AndroidJUnit4.class)
-public final class FlacBinarySearchSeekerTest {
-
-  private static final String NOSEEKTABLE_FLAC = "flac/bear_one_metadata_block.flac";
-  private static final int DURATION_US = 2_741_000;
-
-  @Before
-  public void setUp() {
-    if (!FlacLibrary.isAvailable()) {
-      fail("Flac library not available.");
-    }
-  }
-
-  @Test
-  public void testGetSeekMap_returnsSeekMapWithCorrectDuration()
-      throws IOException, FlacDecoderException, InterruptedException {
-    byte[] data =
-        TestUtil.getByteArray(ApplicationProvider.getApplicationContext(), NOSEEKTABLE_FLAC);
-    FakeExtractorInput input = new FakeExtractorInput.Builder().setData(data).build();
-    FlacDecoderJni decoderJni = new FlacDecoderJni();
-    decoderJni.setData(input);
-    OutputFrameHolder outputFrameHolder = new OutputFrameHolder(ByteBuffer.allocateDirect(0));
-
-    FlacBinarySearchSeeker seeker =
-        new FlacBinarySearchSeeker(
-            decoderJni.decodeStreamMetadata(),
-            /* firstFramePosition= */ 0,
-            data.length,
-            decoderJni,
-            outputFrameHolder);
-    SeekMap seekMap = seeker.getSeekMap();
-
-    assertThat(seekMap).isNotNull();
-    assertThat(seekMap.getDurationUs()).isEqualTo(DURATION_US);
-    assertThat(seekMap.isSeekable()).isTrue();
-  }
-
-  @Test
-  public void testSetSeekTargetUs_returnsSeekPending()
-      throws IOException, FlacDecoderException, InterruptedException {
-    byte[] data =
-        TestUtil.getByteArray(ApplicationProvider.getApplicationContext(), NOSEEKTABLE_FLAC);
-    FakeExtractorInput input = new FakeExtractorInput.Builder().setData(data).build();
-    FlacDecoderJni decoderJni = new FlacDecoderJni();
-    decoderJni.setData(input);
-    OutputFrameHolder outputFrameHolder = new OutputFrameHolder(ByteBuffer.allocateDirect(0));
-
-    FlacBinarySearchSeeker seeker =
-        new FlacBinarySearchSeeker(
-            decoderJni.decodeStreamMetadata(),
-            /* firstFramePosition= */ 0,
-            data.length,
-            decoderJni,
-            outputFrameHolder);
-    seeker.setSeekTargetUs(/* timeUs= */ 1000);
-
-    assertThat(seeker.isSeeking()).isTrue();
-  }
-}

library/extractor/src/test/java/com/google/android/exoplayer2/extractor/flac/FlacExtractorSeekTest.java

@@ -30,7 +30,6 @@ import com.google.android.exoplayer2.upstream.DefaultDataSourceFactory;
 import com.google.android.exoplayer2.util.Util;
 import java.io.IOException;
 import java.util.List;
-import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 
@@ -43,18 +42,11 @@ public class FlacExtractorSeekTest {
   private static final String TEST_FILE_UNSEEKABLE = "flac/bear_no_seek_table_no_num_samples.flac";
   private static final int DURATION_US = 2_741_000;
 
-  private FlacExtractor extractor;
-  private FakeExtractorOutput extractorOutput;
-  private DefaultDataSource dataSource;
-
-  @Before
-  public void setUp() throws Exception {
-    extractor = new FlacExtractor();
-    extractorOutput = new FakeExtractorOutput();
-    dataSource =
-        new DefaultDataSourceFactory(ApplicationProvider.getApplicationContext(), "UserAgent")
-            .createDataSource();
-  }
+  private FlacExtractor extractor = new FlacExtractor();
+  private FakeExtractorOutput extractorOutput = new FakeExtractorOutput();
+  private DefaultDataSource dataSource =
+      new DefaultDataSourceFactory(ApplicationProvider.getApplicationContext(), "UserAgent")
+          .createDataSource();
 
   @Test
   public void flacExtractorReads_seekTable_returnSeekableSeekMap()