Remove AutoAdvancingFakeClock.

The class is just an empty shell around the super class and can be
removed.

PiperOrigin-RevId: 363386440

library/core/src/test/java/com/google/android/exoplayer2/ExoPlayerTest.java

@@ -94,7 +94,6 @@ import com.google.android.exoplayer2.testutil.Action;
 import com.google.android.exoplayer2.testutil.ActionSchedule;
 import com.google.android.exoplayer2.testutil.ActionSchedule.PlayerRunnable;
 import com.google.android.exoplayer2.testutil.ActionSchedule.PlayerTarget;
-import com.google.android.exoplayer2.testutil.AutoAdvancingFakeClock;
 import com.google.android.exoplayer2.testutil.ExoPlayerTestRunner;
 import com.google.android.exoplayer2.testutil.FakeAdaptiveDataSet;
 import com.google.android.exoplayer2.testutil.FakeAdaptiveMediaSource;
@@ -3030,7 +3029,7 @@ public final class ExoPlayerTest {
     MediaSource mediaSource =
         new ClippingMediaSource(
             new FakeMediaSource(), startPositionUs, startPositionUs + expectedDurationUs);
-    Clock clock = new AutoAdvancingFakeClock();
+    Clock clock = new FakeClock(/* isAutoAdvancing= */ true);
     AtomicReference<Player> playerReference = new AtomicReference<>();
     AtomicLong positionAtDiscontinuityMs = new AtomicLong(C.TIME_UNSET);
     AtomicLong clockAtStartMs = new AtomicLong(C.TIME_UNSET);
@@ -8782,7 +8781,8 @@ public final class ExoPlayerTest {
     long nowUnixTimeMs = windowStartUnixTimeMs + 20_000;
     ExoPlayer player =
         new TestExoPlayerBuilder(context)
-            .setClock(new AutoAdvancingFakeClock(/* initialTimeMs= */ nowUnixTimeMs))
+            .setClock(
+                new FakeClock(/* initialTimeMs= */ nowUnixTimeMs, /* isAutoAdvancing= */ true))
             .build();
     Timeline timeline =
         new FakeTimeline(
@@ -8826,7 +8826,8 @@ public final class ExoPlayerTest {
     long nowUnixTimeMs = windowStartUnixTimeMs + 20_000;
     ExoPlayer player =
         new TestExoPlayerBuilder(context)
-            .setClock(new AutoAdvancingFakeClock(/* initialTimeMs= */ nowUnixTimeMs))
+            .setClock(
+                new FakeClock(/* initialTimeMs= */ nowUnixTimeMs, /* isAutoAdvancing= */ true))
             .build();
     Timeline timeline =
         new FakeTimeline(
@@ -8866,7 +8867,8 @@ public final class ExoPlayerTest {
     long nowUnixTimeMs = windowStartUnixTimeMs + 20_000;
     ExoPlayer player =
         new TestExoPlayerBuilder(context)
-            .setClock(new AutoAdvancingFakeClock(/* initialTimeMs= */ nowUnixTimeMs))
+            .setClock(
+                new FakeClock(/* initialTimeMs= */ nowUnixTimeMs, /* isAutoAdvancing= */ true))
             .build();
     Timeline timeline =
         new FakeTimeline(
@@ -8908,7 +8910,8 @@ public final class ExoPlayerTest {
     long nowUnixTimeMs = windowStartUnixTimeMs + 20_000;
     ExoPlayer player =
         new TestExoPlayerBuilder(context)
-            .setClock(new AutoAdvancingFakeClock(/* initialTimeMs= */ nowUnixTimeMs))
+            .setClock(
+                new FakeClock(/* initialTimeMs= */ nowUnixTimeMs, /* isAutoAdvancing= */ true))
             .build();
     Timeline initialTimeline =
         new FakeTimeline(
@@ -8981,7 +8984,8 @@ public final class ExoPlayerTest {
     long nowUnixTimeMs = windowStartUnixTimeMs + 20_000;
     ExoPlayer player =
         new TestExoPlayerBuilder(context)
-            .setClock(new AutoAdvancingFakeClock(/* initialTimeMs= */ nowUnixTimeMs))
+            .setClock(
+                new FakeClock(/* initialTimeMs= */ nowUnixTimeMs, /* isAutoAdvancing= */ true))
             .build();
     Timeline timeline =
         new FakeTimeline(
@@ -9028,7 +9032,8 @@ public final class ExoPlayerTest {
     long nowUnixTimeMs = windowStartUnixTimeMs + 10_000;
     ExoPlayer player =
         new TestExoPlayerBuilder(context)
-            .setClock(new AutoAdvancingFakeClock(/* initialTimeMs= */ nowUnixTimeMs))
+            .setClock(
+                new FakeClock(/* initialTimeMs= */ nowUnixTimeMs, /* isAutoAdvancing= */ true))
             .build();
     Timeline nonLiveTimeline = new FakeTimeline();
     Timeline liveTimeline =
@@ -9068,7 +9073,8 @@ public final class ExoPlayerTest {
     long nowUnixTimeMs = windowStartUnixTimeMs + 20_000;
     ExoPlayer player =
         new TestExoPlayerBuilder(context)
-            .setClock(new AutoAdvancingFakeClock(/* initialTimeMs= */ nowUnixTimeMs))
+            .setClock(
+                new FakeClock(/* initialTimeMs= */ nowUnixTimeMs, /* isAutoAdvancing= */ true))
             .build();
     Timeline liveTimeline1 =
         new FakeTimeline(
@@ -9125,7 +9131,8 @@ public final class ExoPlayerTest {
     long nowUnixTimeMs = windowStartUnixTimeMs + 20_000;
     ExoPlayer player =
         new TestExoPlayerBuilder(context)
-            .setClock(new AutoAdvancingFakeClock(/* initialTimeMs= */ nowUnixTimeMs))
+            .setClock(
+                new FakeClock(/* initialTimeMs= */ nowUnixTimeMs, /* isAutoAdvancing= */ true))
             .build();
     Timeline liveTimeline1 =
         new FakeTimeline(
@@ -9177,7 +9184,8 @@ public final class ExoPlayerTest {
   @Test
   public void targetLiveOffsetInMedia_unknownWindowStartTime_doesNotAdjustLiveOffset()
       throws Exception {
-    FakeClock fakeClock = new AutoAdvancingFakeClock(/* initialTimeMs= */ 987_654_321L);
+    FakeClock fakeClock =
+        new FakeClock(/* initialTimeMs= */ 987_654_321L, /* isAutoAdvancing= */ true);
     ExoPlayer player = new TestExoPlayerBuilder(context).setClock(fakeClock).build();
     MediaItem mediaItem =
         new MediaItem.Builder().setUri(Uri.EMPTY).setLiveTargetOffsetMs(4_000).build();
@@ -9216,7 +9224,8 @@ public final class ExoPlayerTest {
     long nowUnixTimeMs = windowStartUnixTimeMs + 20_000;
     ExoPlayer player =
         new TestExoPlayerBuilder(context)
-            .setClock(new AutoAdvancingFakeClock(/* initialTimeMs= */ nowUnixTimeMs))
+            .setClock(
+                new FakeClock(/* initialTimeMs= */ nowUnixTimeMs, /* isAutoAdvancing= */ true))
             .build();
     Timeline liveTimelineWithoutTargetLiveOffset =
         new FakeTimeline(

library/core/src/test/java/com/google/android/exoplayer2/MetadataRetrieverTest.java

@@ -30,7 +30,7 @@ import com.google.android.exoplayer2.metadata.mp4.MotionPhotoMetadata;
 import com.google.android.exoplayer2.metadata.mp4.SlowMotionData;
 import com.google.android.exoplayer2.metadata.mp4.SmtaMetadataEntry;
 import com.google.android.exoplayer2.source.TrackGroupArray;
-import com.google.android.exoplayer2.testutil.AutoAdvancingFakeClock;
+import com.google.android.exoplayer2.testutil.FakeClock;
 import com.google.android.exoplayer2.util.MimeTypes;
 import com.google.common.util.concurrent.ListenableFuture;
 import java.util.ArrayList;
@@ -49,12 +49,12 @@ public class MetadataRetrieverTest {
   private static final long TEST_TIMEOUT_SEC = 10;
 
   private Context context;
-  private AutoAdvancingFakeClock clock;
+  private FakeClock clock;
 
   @Before
   public void setUp() throws Exception {
     context = ApplicationProvider.getApplicationContext();
-    clock = new AutoAdvancingFakeClock();
+    clock = new FakeClock(/* isAutoAdvancing= */ true);
   }
 
   @Test

library/core/src/test/java/com/google/android/exoplayer2/SimpleExoPlayerTest.java

@@ -29,8 +29,8 @@ import static org.mockito.Mockito.verify;
 import androidx.test.core.app.ApplicationProvider;
 import androidx.test.ext.junit.runners.AndroidJUnit4;
 import com.google.android.exoplayer2.analytics.AnalyticsListener;
-import com.google.android.exoplayer2.testutil.AutoAdvancingFakeClock;
 import com.google.android.exoplayer2.testutil.ExoPlayerTestRunner;
+import com.google.android.exoplayer2.testutil.FakeClock;
 import com.google.android.exoplayer2.testutil.FakeMediaSource;
 import com.google.android.exoplayer2.testutil.FakeTimeline;
 import com.google.android.exoplayer2.testutil.FakeVideoRenderer;
@@ -67,7 +67,7 @@ public class SimpleExoPlayerTest {
                 ApplicationProvider.getApplicationContext(),
                 (handler, videoListener, audioListener, textOutput, metadataOutput) ->
                     new Renderer[] {new FakeVideoRenderer(handler, videoListener)})
-            .setClock(new AutoAdvancingFakeClock())
+            .setClock(new FakeClock(/* isAutoAdvancing= */ true))
             .build();
     AnalyticsListener listener = mock(AnalyticsListener.class);
     player.addAnalyticsListener(listener);
@@ -92,7 +92,7 @@ public class SimpleExoPlayerTest {
                 ApplicationProvider.getApplicationContext(),
                 (handler, videoListener, audioListener, textOutput, metadataOutput) ->
                     new Renderer[] {new FakeVideoRenderer(handler, videoListener)})
-            .setClock(new AutoAdvancingFakeClock())
+            .setClock(new FakeClock(/* isAutoAdvancing= */ true))
             .build();
     Player.Listener listener = mock(Player.Listener.class);
     player.addListener(listener);

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

@@ -29,7 +29,7 @@ import com.google.android.exoplayer2.SimpleExoPlayer;
 import com.google.android.exoplayer2.mediacodec.MediaCodecUtil;
 import com.google.android.exoplayer2.robolectric.RandomizedMp3Decoder;
 import com.google.android.exoplayer2.robolectric.TestPlayerRunHelper;
-import com.google.android.exoplayer2.testutil.AutoAdvancingFakeClock;
+import com.google.android.exoplayer2.testutil.FakeClock;
 import com.google.android.exoplayer2.util.Assertions;
 import com.google.common.collect.ImmutableList;
 import com.google.common.primitives.Bytes;
@@ -90,7 +90,7 @@ public class EndToEndGaplessTest {
   public void testPlayback_twoIdenticalMp3Files() throws Exception {
     SimpleExoPlayer player =
         new SimpleExoPlayer.Builder(ApplicationProvider.getApplicationContext())
-            .setClock(new AutoAdvancingFakeClock())
+            .setClock(new FakeClock(/* isAutoAdvancing= */ true))
             .build();
 
     player.setMediaItems(

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

@@ -23,9 +23,9 @@ 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.android.exoplayer2.testutil.FakeClock;
 import com.google.common.collect.ImmutableList;
 import org.junit.Rule;
 import org.junit.Test;
@@ -68,7 +68,7 @@ public class FlacPlaybackTest {
         new CapturingRenderersFactory(applicationContext);
     SimpleExoPlayer player =
         new SimpleExoPlayer.Builder(applicationContext, capturingRenderersFactory)
-            .setClock(new AutoAdvancingFakeClock())
+            .setClock(new FakeClock(/* isAutoAdvancing= */ true))
             .build();
     PlaybackOutput playbackOutput = PlaybackOutput.register(player, capturingRenderersFactory);
 

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

@@ -25,9 +25,9 @@ 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.android.exoplayer2.testutil.FakeClock;
 import com.google.common.collect.ImmutableList;
 import org.junit.Rule;
 import org.junit.Test;
@@ -59,7 +59,7 @@ public final class FlvPlaybackTest {
         new CapturingRenderersFactory(applicationContext);
     SimpleExoPlayer player =
         new SimpleExoPlayer.Builder(applicationContext, capturingRenderersFactory)
-            .setClock(new AutoAdvancingFakeClock())
+            .setClock(new FakeClock(/* isAutoAdvancing= */ true))
             .build();
     player.setVideoSurface(new Surface(new SurfaceTexture(/* texName= */ 1)));
     PlaybackOutput playbackOutput = PlaybackOutput.register(player, capturingRenderersFactory);

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

@@ -23,9 +23,9 @@ 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.android.exoplayer2.testutil.FakeClock;
 import com.google.common.collect.ImmutableList;
 import org.junit.Rule;
 import org.junit.Test;
@@ -61,7 +61,7 @@ public final class MkaPlaybackTest {
         new CapturingRenderersFactory(applicationContext);
     SimpleExoPlayer player =
         new SimpleExoPlayer.Builder(applicationContext, capturingRenderersFactory)
-            .setClock(new AutoAdvancingFakeClock())
+            .setClock(new FakeClock(/* isAutoAdvancing= */ true))
             .build();
     PlaybackOutput playbackOutput = PlaybackOutput.register(player, capturingRenderersFactory);
 

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

@@ -25,9 +25,9 @@ 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.android.exoplayer2.testutil.FakeClock;
 import com.google.common.collect.ImmutableList;
 import org.junit.Rule;
 import org.junit.Test;
@@ -65,7 +65,7 @@ public final class MkvPlaybackTest {
         new CapturingRenderersFactory(applicationContext);
     SimpleExoPlayer player =
         new SimpleExoPlayer.Builder(applicationContext, capturingRenderersFactory)
-            .setClock(new AutoAdvancingFakeClock())
+            .setClock(new FakeClock(/* isAutoAdvancing= */ true))
             .build();
     player.setVideoSurface(new Surface(new SurfaceTexture(/* texName= */ 1)));
     PlaybackOutput playbackOutput = PlaybackOutput.register(player, capturingRenderersFactory);

library/core/src/test/java/com/google/android/exoplayer2/e2etest/Mp3PlaybackTest.java

@@ -23,9 +23,9 @@ 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.android.exoplayer2.testutil.FakeClock;
 import com.google.common.collect.ImmutableList;
 import org.junit.Rule;
 import org.junit.Test;
@@ -64,7 +64,7 @@ public final class Mp3PlaybackTest {
         new CapturingRenderersFactory(applicationContext);
     SimpleExoPlayer player =
         new SimpleExoPlayer.Builder(applicationContext, capturingRenderersFactory)
-            .setClock(new AutoAdvancingFakeClock())
+            .setClock(new FakeClock(/* isAutoAdvancing= */ true))
             .build();
     PlaybackOutput playbackOutput = PlaybackOutput.register(player, capturingRenderersFactory);
 

library/core/src/test/java/com/google/android/exoplayer2/e2etest/Mp4PlaybackTest.java

@@ -25,9 +25,9 @@ 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.android.exoplayer2.testutil.FakeClock;
 import com.google.common.collect.ImmutableList;
 import org.junit.Rule;
 import org.junit.Test;
@@ -81,7 +81,7 @@ public class Mp4PlaybackTest {
     CapturingRenderersFactory renderersFactory = new CapturingRenderersFactory(applicationContext);
     SimpleExoPlayer player =
         new SimpleExoPlayer.Builder(applicationContext, renderersFactory)
-            .setClock(new AutoAdvancingFakeClock())
+            .setClock(new FakeClock(/* isAutoAdvancing= */ true))
             .build();
     player.setVideoSurface(new Surface(new SurfaceTexture(/* texName= */ 1)));
 

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

@@ -23,9 +23,9 @@ 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.android.exoplayer2.testutil.FakeClock;
 import com.google.common.collect.ImmutableList;
 import org.junit.Rule;
 import org.junit.Test;
@@ -62,7 +62,7 @@ public final class OggPlaybackTest {
         new CapturingRenderersFactory(applicationContext);
     SimpleExoPlayer player =
         new SimpleExoPlayer.Builder(applicationContext, capturingRenderersFactory)
-            .setClock(new AutoAdvancingFakeClock())
+            .setClock(new FakeClock(/* isAutoAdvancing= */ true))
             .build();
     PlaybackOutput playbackOutput = PlaybackOutput.register(player, capturingRenderersFactory);
 

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

@@ -24,9 +24,9 @@ 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.android.exoplayer2.testutil.FakeClock;
 import org.junit.Rule;
 import org.junit.Test;
 import org.junit.runner.RunWith;
@@ -49,7 +49,7 @@ public final class PlaylistPlaybackTest {
         new CapturingRenderersFactory(applicationContext);
     SimpleExoPlayer player =
         new SimpleExoPlayer.Builder(applicationContext, capturingRenderersFactory)
-            .setClock(new AutoAdvancingFakeClock())
+            .setClock(new FakeClock(/* isAutoAdvancing= */ true))
             .build();
     PlaybackOutput playbackOutput = PlaybackOutput.register(player, capturingRenderersFactory);
 
@@ -71,7 +71,7 @@ public final class PlaylistPlaybackTest {
         new CapturingRenderersFactory(applicationContext);
     SimpleExoPlayer player =
         new SimpleExoPlayer.Builder(applicationContext, capturingRenderersFactory)
-            .setClock(new AutoAdvancingFakeClock())
+            .setClock(new FakeClock(/* isAutoAdvancing= */ true))
             .build();
     PlaybackOutput playbackOutput = PlaybackOutput.register(player, capturingRenderersFactory);
 

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

@@ -24,9 +24,9 @@ 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.source.SilenceMediaSource;
-import com.google.android.exoplayer2.testutil.AutoAdvancingFakeClock;
 import com.google.android.exoplayer2.testutil.CapturingRenderersFactory;
 import com.google.android.exoplayer2.testutil.DumpFileAsserts;
+import com.google.android.exoplayer2.testutil.FakeClock;
 import org.junit.Rule;
 import org.junit.Test;
 import org.junit.runner.RunWith;
@@ -49,7 +49,7 @@ public final class SilencePlaybackTest {
         new CapturingRenderersFactory(applicationContext);
     SimpleExoPlayer player =
         new SimpleExoPlayer.Builder(applicationContext, capturingRenderersFactory)
-            .setClock(new AutoAdvancingFakeClock())
+            .setClock(new FakeClock(/* isAutoAdvancing= */ true))
             .build();
     PlaybackOutput playbackOutput = PlaybackOutput.register(player, capturingRenderersFactory);
 
@@ -70,7 +70,7 @@ public final class SilencePlaybackTest {
         new CapturingRenderersFactory(applicationContext);
     SimpleExoPlayer player =
         new SimpleExoPlayer.Builder(applicationContext, capturingRenderersFactory)
-            .setClock(new AutoAdvancingFakeClock())
+            .setClock(new FakeClock(/* isAutoAdvancing= */ true))
             .build();
     PlaybackOutput playbackOutput = PlaybackOutput.register(player, capturingRenderersFactory);
 

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

@@ -25,9 +25,9 @@ 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.android.exoplayer2.testutil.FakeClock;
 import com.google.common.collect.ImmutableList;
 import org.junit.Rule;
 import org.junit.Test;
@@ -85,7 +85,7 @@ public class TsPlaybackTest {
         new CapturingRenderersFactory(applicationContext);
     SimpleExoPlayer player =
         new SimpleExoPlayer.Builder(applicationContext, capturingRenderersFactory)
-            .setClock(new AutoAdvancingFakeClock())
+            .setClock(new FakeClock(/* isAutoAdvancing= */ true))
             .build();
     player.setVideoSurface(new Surface(new SurfaceTexture(/* texName= */ 1)));
     PlaybackOutput playbackOutput = PlaybackOutput.register(player, capturingRenderersFactory);

library/core/src/test/java/com/google/android/exoplayer2/e2etest/Vp9PlaybackTest.java

@@ -25,9 +25,9 @@ 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.android.exoplayer2.testutil.FakeClock;
 import com.google.common.collect.ImmutableList;
 import org.junit.Rule;
 import org.junit.Test;
@@ -63,7 +63,7 @@ public final class Vp9PlaybackTest {
         new CapturingRenderersFactory(applicationContext);
     SimpleExoPlayer player =
         new SimpleExoPlayer.Builder(applicationContext, capturingRenderersFactory)
-            .setClock(new AutoAdvancingFakeClock())
+            .setClock(new FakeClock(/* isAutoAdvancing= */ true))
             .build();
     player.setVideoSurface(new Surface(new SurfaceTexture(/* texName= */ 1)));
     PlaybackOutput playbackOutput = PlaybackOutput.register(player, capturingRenderersFactory);

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

@@ -23,9 +23,9 @@ 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.android.exoplayer2.testutil.FakeClock;
 import com.google.common.collect.ImmutableList;
 import org.junit.Rule;
 import org.junit.Test;
@@ -56,7 +56,7 @@ public final class WavPlaybackTest {
         new CapturingRenderersFactory(applicationContext);
     SimpleExoPlayer player =
         new SimpleExoPlayer.Builder(applicationContext, capturingRenderersFactory)
-            .setClock(new AutoAdvancingFakeClock())
+            .setClock(new FakeClock(/* isAutoAdvancing= */ true))
             .build();
     PlaybackOutput playbackOutput = PlaybackOutput.register(player, capturingRenderersFactory);
 

library/dash/src/test/java/com/google/android/exoplayer2/e2etest/DashPlaybackTest.java

@@ -28,9 +28,9 @@ 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.android.exoplayer2.testutil.FakeClock;
 import com.google.android.exoplayer2.trackselection.DefaultTrackSelector;
 import org.junit.Rule;
 import org.junit.Test;
@@ -55,7 +55,7 @@ public final class DashPlaybackTest {
         new CapturingRenderersFactory(applicationContext);
     SimpleExoPlayer player =
         new SimpleExoPlayer.Builder(applicationContext, capturingRenderersFactory)
-            .setClock(new AutoAdvancingFakeClock())
+            .setClock(new FakeClock(/* isAutoAdvancing= */ true))
             .build();
     player.setVideoSurface(new Surface(new SurfaceTexture(/* texName= */ 1)));
     PlaybackOutput playbackOutput = PlaybackOutput.register(player, capturingRenderersFactory);

library/transformer/src/test/java/com/google/android/exoplayer2/transformer/TransformerTest.java

@@ -33,8 +33,8 @@ import androidx.test.core.app.ApplicationProvider;
 import androidx.test.ext.junit.runners.AndroidJUnit4;
 import com.google.android.exoplayer2.ExoPlaybackException;
 import com.google.android.exoplayer2.MediaItem;
-import com.google.android.exoplayer2.testutil.AutoAdvancingFakeClock;
 import com.google.android.exoplayer2.testutil.DumpFileAsserts;
+import com.google.android.exoplayer2.testutil.FakeClock;
 import com.google.android.exoplayer2.util.MimeTypes;
 import com.google.android.exoplayer2.util.Util;
 import com.google.common.collect.Iterables;
@@ -71,14 +71,14 @@ public final class TransformerTest {
   private Context context;
   private String outputPath;
   private TestMuxer testMuxer;
-  private AutoAdvancingFakeClock clock;
+  private FakeClock clock;
   private ProgressHolder progressHolder;
 
   @Before
   public void setUp() throws Exception {
     context = ApplicationProvider.getApplicationContext();
     outputPath = Util.createTempFile(context, "TransformerTest").getPath();
-    clock = new AutoAdvancingFakeClock();
+    clock = new FakeClock(/* isAutoAdvancing= */ true);
     progressHolder = new ProgressHolder();
     createEncodersAndDecoders();
   }

testutils/src/main/java/com/google/android/exoplayer2/testutil/AutoAdvancingFakeClock.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.testutil;
-
-/**
- * {@link FakeClock} extension which automatically advances time whenever an empty message is
- * enqueued at a future time.
- */
-public final class AutoAdvancingFakeClock extends FakeClock {
-
-  /** Creates the auto-advancing clock with an initial time of 0. */
-  public AutoAdvancingFakeClock() {
-    this(/* initialTimeMs= */ 0);
-  }
-
-  /**
-   * Creates the auto-advancing clock.
-   *
-   * @param initialTimeMs The initial time of the clock in milliseconds.
-   */
-  public AutoAdvancingFakeClock(long initialTimeMs) {
-    super(initialTimeMs, /* isAutoAdvancing= */ true);
-  }
-}

testutils/src/main/java/com/google/android/exoplayer2/testutil/FakeClock.java

@@ -83,6 +83,17 @@ public class FakeClock implements Clock {
 
   /**
    * Creates a fake clock that assumes that the system was booted exactly at time {@code 0} (the
+   * Unix Epoch) and an {@code initialTimeMs} of {@code 0}.
+   *
+   * @param isAutoAdvancing Whether the clock should automatically advance the time to the time of
+   *     next message that is due to be sent.
+   */
+  public FakeClock(boolean isAutoAdvancing) {
+    this(/* bootTimeMs= */ 0, /* initialTimeMs= */ 0, isAutoAdvancing);
+  }
+
+  /**
+   * Creates a fake clock that assumes that the system was booted exactly at time {@code 0} (the
    * Unix Epoch) and {@code initialTimeMs} milliseconds have passed since system boot.
    *
    * @param initialTimeMs The initial elapsed time since the boot time, in milliseconds.

testutils/src/main/java/com/google/android/exoplayer2/testutil/TestExoPlayerBuilder.java

@@ -48,7 +48,7 @@ public class TestExoPlayerBuilder {
 
   public TestExoPlayerBuilder(Context context) {
     this.context = context;
-    clock = new AutoAdvancingFakeClock();
+    clock = new FakeClock(/* isAutoAdvancing= */ true);
     trackSelector = new DefaultTrackSelector(context);
     loadControl = new DefaultLoadControl();
     bandwidthMeter = new DefaultBandwidthMeter.Builder(context).build();
@@ -176,8 +176,8 @@ public class TestExoPlayerBuilder {
   }
 
   /**
-   * Sets the {@link Clock} to be used by the player. The default value is a {@link
-   * AutoAdvancingFakeClock}.
+   * Sets the {@link Clock} to be used by the player. The default value is an auto-advancing {@link
+   * FakeClock}.
    *
    * @param clock A {@link Clock} to be used by the player.
    * @return This builder.