Add WAV playback tests.

The output dumps are intentionally empty because the playback
is using bypass modes.

Still adding a AUDIO_RAW decoder to the ShadowMediaCodecConfig to
ensure that we would output samples if bypass mode were disabled.

PiperOrigin-RevId: 352794959

library/core/src/test/java/com/google/android/exoplayer2/e2etest/WavPlaybackTest.java

@@ -0,0 +1,74 @@
+/*
+ * Copyright (C) 2021 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.e2etest;
+
+import android.content.Context;
+import androidx.test.core.app.ApplicationProvider;
+import com.google.android.exoplayer2.MediaItem;
+import com.google.android.exoplayer2.Player;
+import com.google.android.exoplayer2.SimpleExoPlayer;
+import com.google.android.exoplayer2.robolectric.PlaybackOutput;
+import com.google.android.exoplayer2.robolectric.ShadowMediaCodecConfig;
+import com.google.android.exoplayer2.robolectric.TestPlayerRunHelper;
+import com.google.android.exoplayer2.testutil.AutoAdvancingFakeClock;
+import com.google.android.exoplayer2.testutil.CapturingRenderersFactory;
+import com.google.android.exoplayer2.testutil.DumpFileAsserts;
+import com.google.common.collect.ImmutableList;
+import org.junit.Rule;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.robolectric.ParameterizedRobolectricTestRunner;
+import org.robolectric.annotation.Config;
+
+/** End-to-end tests using WAV samples. */
+// TODO(b/143232359): Remove once https://issuetracker.google.com/143232359 is resolved.
+@Config(sdk = 29)
+@RunWith(ParameterizedRobolectricTestRunner.class)
+public final class WavPlaybackTest {
+  @ParameterizedRobolectricTestRunner.Parameters(name = "{0}")
+  public static ImmutableList<String> mediaSamples() {
+    return ImmutableList.of("sample.wav", "sample_ima_adpcm.wav", "sample_with_trailing_bytes.wav");
+  }
+
+  @ParameterizedRobolectricTestRunner.Parameter public String inputFile;
+
+  @Rule
+  public ShadowMediaCodecConfig mediaCodecConfig =
+      ShadowMediaCodecConfig.forAllSupportedMimeTypes();
+
+  @Test
+  public void test() throws Exception {
+    Context applicationContext = ApplicationProvider.getApplicationContext();
+    CapturingRenderersFactory capturingRenderersFactory =
+        new CapturingRenderersFactory(applicationContext);
+    SimpleExoPlayer player =
+        new SimpleExoPlayer.Builder(applicationContext, capturingRenderersFactory)
+            .setClock(new AutoAdvancingFakeClock())
+            .build();
+    PlaybackOutput playbackOutput = PlaybackOutput.register(player, capturingRenderersFactory);
+
+    player.setMediaItem(MediaItem.fromUri("asset:///media/wav/" + inputFile));
+    player.prepare();
+    player.play();
+    TestPlayerRunHelper.runUntilPlaybackState(player, Player.STATE_ENDED);
+    player.release();
+
+    DumpFileAsserts.assertOutput(
+        ApplicationProvider.getApplicationContext(),
+        playbackOutput,
+        "playbackdumps/wav/" + inputFile + ".dump");
+  }
+}

robolectricutils/src/main/java/com/google/android/exoplayer2/robolectric/ShadowMediaCodecConfig.java

@@ -78,6 +78,11 @@ public final class ShadowMediaCodecConfig extends ExternalResource {
     configureCodec("exotest.audio.mpegl2", MimeTypes.AUDIO_MPEG_L2);
     configureCodec("exotest.audio.opus", MimeTypes.AUDIO_OPUS);
     configureCodec("exotest.audio.vorbis", MimeTypes.AUDIO_VORBIS);
+
+    // Raw audio should use a bypass mode and never need this codec. However, to easily assert
+    // failures of the bypass mode we want to detect when the raw audio is decoded by this class and
+    // thus we need a codec to output samples.
+    configureCodec("exotest.audio.raw", MimeTypes.AUDIO_RAW);
   }
 
   @Override