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Commit d35b9731 authored by George Mount's avatar George Mount
Browse files

Add test for regression in Animators 

Fixes: 278484989

When a ValueAnimator is started, it can be started again to
start from the beginning.

Test: new test
Change-Id: Ic2351d8a49c079adea55b46632b8624e17f8755a
parent 011d00e1

core/tests/coretests/src/android/animation/ValueAnimatorTests.java

+25 −0
Original line number Diff line number Diff line
@@ -1127,6 +1127,31 @@ public class ValueAnimatorTests { 
        mActivityRule.runOnUiThread(() -> {});

    }



    @Test

    public void restartValueAnimator() throws Throwable {

        CountDownLatch latch = new CountDownLatch(1);

        ValueAnimator.AnimatorUpdateListener listener = new ValueAnimator.AnimatorUpdateListener() {

            @Override

            public void onAnimationUpdate(ValueAnimator animation) {

                if (((float) animation.getAnimatedValue()) != A1_START_VALUE) {

                    latch.countDown();

                }

            }

        };

        a1.addUpdateListener(listener);



        mActivityRule.runOnUiThread(() -> {

            a1.start();

        });



        // wait for a change in the value

        assertTrue(latch.await(2, TimeUnit.SECONDS));



        mActivityRule.runOnUiThread(() -> {

            a1.start();

            assertEquals(A1_START_VALUE, a1.getAnimatedValue());

        });

    }

    class MyUpdateListener implements ValueAnimator.AnimatorUpdateListener {

        boolean wasRunning = false;

        long firstRunningFrameTime = -1;