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Commit ed7fe53c authored by Mark Fasheh's avatar Mark Fasheh
Browse files

Add isBlockedOnSyncBarrier() method to TestLooperManager 

See: go/testable-messagequeue-bluedoc

Tests want a way to tell if we are blocked on a
sync barrier.

Bug: 379472827
Flag: android.os.message_queue_testability
Change-Id: I7eb80f6712b50df2b56bc8150564a6395705be3b
parent 09ed24da

core/api/current.txt

+1 −0
Original line number Diff line number Diff line
@@ -34765,6 +34765,7 @@ package android.os { 
    method public android.os.MessageQueue getMessageQueue();

    method public boolean hasMessages(android.os.Handler, Object, int);

    method public boolean hasMessages(android.os.Handler, Object, Runnable);

    method @FlaggedApi("android.os.message_queue_testability") public boolean isBlockedOnSyncBarrier();

    method public android.os.Message next();

    method @FlaggedApi("android.os.message_queue_testability") @Nullable public Long peekWhen();

    method @FlaggedApi("android.os.message_queue_testability") @Nullable public android.os.Message pop();

core/java/android/os/TestLooperManager.java

+12 −0
Original line number Diff line number Diff line
@@ -122,6 +122,18 @@ public class TestLooperManager { 
        return mQueue.peekWhenForTest();

    }



    /**

     * Checks whether the Looper is currently blocked on a sync barrier.

     *

     * A Looper is blocked on a sync barrier if there is a Message in the Looper's

     * queue that is ready for execution but is behind a sync barrier

     */

    @FlaggedApi(Flags.FLAG_MESSAGE_QUEUE_TESTABILITY)

    public boolean isBlockedOnSyncBarrier() {

        checkReleased();

        return mQueue.isBlockedOnSyncBarrier();

    }



    /**

     * Releases the looper to continue standard looping and processing of messages, no further

     * interactions with TestLooperManager will be allowed after release() has been called.