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Rearrange condition blocking to ensure Handler thread loops

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Without this change, any prepare() operation that requires posting to
the DummyMainThread's handler cannot complete preparation.

PiperOrigin-RevId: 233050367
This commit is contained in:
aquilescanta 2019-02-08 14:33:42 +00:00 committed by Andrew Lewis
parent fd979790f2
commit 891ec2230e
2 changed files with 8 additions and 8 deletions
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2
testutils/src/main/java/com/google/android/exoplayer2/testutil/DummyMainThread.java
View file

@ -53,7 +53,7 @@ public final class DummyMainThread {
* Runs the provided {@link Runnable} on the main thread, blocking until execution completes or
* until timeout milliseconds have passed.
*
* @param timeoutMs the maximum time to wait in milliseconds.
* @param timeoutMs The maximum time to wait in milliseconds.
* @param runnable The {@link Runnable} to run.
*/
public void runOnMainThread(int timeoutMs, final Runnable runnable) {

14
testutils_robolectric/src/main/java/com/google/android/exoplayer2/testutil/MediaPeriodAsserts.java
View file

@ -187,13 +187,14 @@ public final class MediaPeriodAsserts {
private static TrackGroupArray getTrackGroups(MediaPeriod mediaPeriod) {
AtomicReference<TrackGroupArray> trackGroupArray = new AtomicReference<>(null);
DummyMainThread dummyMainThread = new DummyMainThread();
ConditionVariable preparedCondition = new ConditionVariable();
dummyMainThread.runOnMainThread(
() -> {
ConditionVariable preparedCondition = new ConditionVariable();
mediaPeriod.prepare(
new Callback() {
@Override
public void onPrepared(MediaPeriod mediaPeriod) {
trackGroupArray.set(mediaPeriod.getTrackGroups());
preparedCondition.open();
}
@ -203,13 +204,12 @@ public final class MediaPeriodAsserts {
}
},
/* positionUs= */ 0);
try {
preparedCondition.block();
} catch (InterruptedException e) {
// Ignore.
}
trackGroupArray.set(mediaPeriod.getTrackGroups());
});
try {
preparedCondition.block();
} catch (InterruptedException e) {
// Ignore.
}
dummyMainThread.release();
return trackGroupArray.get();
}