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Internal google build file change. #2319

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Internal google build file change. #2319

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2 changes: 2 additions & 0 deletions espresso/CHANGELOG.md
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Original file line number Diff line number Diff line change
Expand Up @@ -16,6 +16,8 @@ The following artifacts were released:

**Bug Fixes**

* Fix deadlock in espresso in Robolectric INSTRUMENTATION_TEST + paused looper.

**New Features**

**Breaking Changes**
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7 changes: 7 additions & 0 deletions espresso/core/java/androidx/test/espresso/base/ThreadPoolExecutorExtractor.java
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Expand Up @@ -19,6 +19,8 @@
import android.os.Handler;
import android.os.Looper;
import androidx.annotation.Nullable;
import androidx.test.internal.platform.ServiceLoaderWrapper;
import androidx.test.internal.platform.os.ControlledLooper;
import java.lang.reflect.Field;
import java.util.concurrent.Callable;
import java.util.concurrent.CountDownLatch;
Expand All @@ -42,6 +44,10 @@ final class ThreadPoolExecutorExtractor {
private static final String MODERN_ASYNC_TASK_FIELD_NAME = "THREAD_POOL_EXECUTOR";
private final Handler mainHandler;

private final ControlledLooper controlledLooper =
ServiceLoaderWrapper.loadSingleService(
ControlledLooper.class, () -> ControlledLooper.NO_OP_CONTROLLED_LOOPER);

@Inject
ThreadPoolExecutorExtractor(Looper looper) {
mainHandler = new Handler(looper);
Expand Down Expand Up @@ -85,6 +91,7 @@ public void run() {
}
});
try {
controlledLooper.drainMainThreadUntilIdle();
latch.await();
} catch (InterruptedException ie) {
if (!futureToRun.isDone()) {
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