| /* |
| * Copyright (C) 2012 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 android.view.cts; |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertTrue; |
| import static org.junit.Assert.fail; |
| import static org.mockito.Mockito.mock; |
| import static org.mockito.Mockito.timeout; |
| import static org.mockito.Mockito.times; |
| import static org.mockito.Mockito.verify; |
| import static org.mockito.Mockito.verifyZeroInteractions; |
| |
| import android.os.SystemClock; |
| import android.view.Choreographer; |
| |
| import androidx.test.annotation.UiThreadTest; |
| import androidx.test.filters.MediumTest; |
| import androidx.test.runner.AndroidJUnit4; |
| |
| import org.junit.Before; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.mockito.ArgumentCaptor; |
| |
| @MediumTest |
| @RunWith(AndroidJUnit4.class) |
| public class ChoreographerTest { |
| private static final long NOMINAL_VSYNC_PERIOD = 16; |
| private static final long DELAY_PERIOD = NOMINAL_VSYNC_PERIOD * 5; |
| private static final long NANOS_PER_MS = 1000000; |
| private static final Object TOKEN = new Object(); |
| |
| private Choreographer mChoreographer; |
| |
| @UiThreadTest |
| @Before |
| public void setup() { |
| mChoreographer = Choreographer.getInstance(); |
| } |
| |
| @Test |
| public void testFrameDelay() { |
| assertTrue(Choreographer.getFrameDelay() > 0); |
| |
| long oldFrameDelay = Choreographer.getFrameDelay(); |
| long newFrameDelay = oldFrameDelay * 2; |
| Choreographer.setFrameDelay(newFrameDelay); |
| assertEquals(newFrameDelay, Choreographer.getFrameDelay()); |
| |
| Choreographer.setFrameDelay(oldFrameDelay); |
| } |
| |
| @Test |
| public void testPostCallbackWithoutDelay() { |
| final Runnable addedCallback1 = mock(Runnable.class); |
| final Runnable addedCallback2 = mock(Runnable.class); |
| final Runnable removedCallback = mock(Runnable.class); |
| try { |
| // Add and remove a few callbacks. |
| mChoreographer.postCallback( |
| Choreographer.CALLBACK_ANIMATION, addedCallback1, null); |
| mChoreographer.postCallback( |
| Choreographer.CALLBACK_ANIMATION, addedCallback2, null); |
| mChoreographer.postCallback( |
| Choreographer.CALLBACK_ANIMATION, removedCallback, null); |
| mChoreographer.removeCallbacks( |
| Choreographer.CALLBACK_ANIMATION, removedCallback, null); |
| |
| // We expect the remaining callbacks to have been invoked once. |
| verify(addedCallback1, timeout(NOMINAL_VSYNC_PERIOD * 10).times(1)).run(); |
| verify(addedCallback2, timeout(NOMINAL_VSYNC_PERIOD * 10).times(1)).run(); |
| verifyZeroInteractions(removedCallback); |
| |
| // If we post a callback again, then it should be invoked again. |
| mChoreographer.postCallback( |
| Choreographer.CALLBACK_ANIMATION, addedCallback1, null); |
| |
| verify(addedCallback1, timeout(NOMINAL_VSYNC_PERIOD * 10).times(2)).run(); |
| verify(addedCallback2, times(1)).run(); |
| verifyZeroInteractions(removedCallback); |
| |
| // If the token matches, the the callback should be removed. |
| mChoreographer.postCallback( |
| Choreographer.CALLBACK_ANIMATION, addedCallback1, null); |
| mChoreographer.postCallback( |
| Choreographer.CALLBACK_ANIMATION, removedCallback, TOKEN); |
| mChoreographer.removeCallbacks( |
| Choreographer.CALLBACK_ANIMATION, null, TOKEN); |
| verify(addedCallback1, timeout(NOMINAL_VSYNC_PERIOD * 10).times(3)).run(); |
| verifyZeroInteractions(removedCallback); |
| |
| // If the action and token matches, then the callback should be removed. |
| // If only the token matches, then the callback should not be removed. |
| mChoreographer.postCallback( |
| Choreographer.CALLBACK_ANIMATION, addedCallback1, TOKEN); |
| mChoreographer.postCallback( |
| Choreographer.CALLBACK_ANIMATION, removedCallback, TOKEN); |
| mChoreographer.removeCallbacks( |
| Choreographer.CALLBACK_ANIMATION, removedCallback, TOKEN); |
| verify(addedCallback1, timeout(NOMINAL_VSYNC_PERIOD * 10).times(4)).run(); |
| verifyZeroInteractions(removedCallback); |
| } finally { |
| mChoreographer.removeCallbacks( |
| Choreographer.CALLBACK_ANIMATION, addedCallback1, null); |
| mChoreographer.removeCallbacks( |
| Choreographer.CALLBACK_ANIMATION, addedCallback2, null); |
| mChoreographer.removeCallbacks( |
| Choreographer.CALLBACK_ANIMATION, removedCallback, null); |
| } |
| } |
| |
| @Test |
| public void testPostCallbackWithDelay() { |
| final Runnable addedCallback = mock(Runnable.class); |
| final Runnable removedCallback = mock(Runnable.class); |
| try { |
| // Add and remove a few callbacks. |
| mChoreographer.postCallbackDelayed( |
| Choreographer.CALLBACK_ANIMATION, addedCallback, null, DELAY_PERIOD); |
| mChoreographer.postCallbackDelayed( |
| Choreographer.CALLBACK_ANIMATION, removedCallback, null, DELAY_PERIOD); |
| mChoreographer.removeCallbacks( |
| Choreographer.CALLBACK_ANIMATION, removedCallback, null); |
| |
| // Sleep for a couple of frames. |
| SystemClock.sleep(NOMINAL_VSYNC_PERIOD * 3); |
| |
| // The callbacks should not have been invoked yet because of the delay. |
| verifyZeroInteractions(addedCallback); |
| verifyZeroInteractions(removedCallback); |
| |
| // We expect the remaining callbacks to have been invoked. |
| verify(addedCallback, timeout(DELAY_PERIOD * 3).times(1)).run(); |
| verifyZeroInteractions(removedCallback); |
| |
| // If the token matches, the the callback should be removed. |
| mChoreographer.postCallbackDelayed( |
| Choreographer.CALLBACK_ANIMATION, addedCallback, null, DELAY_PERIOD); |
| mChoreographer.postCallbackDelayed( |
| Choreographer.CALLBACK_ANIMATION, removedCallback, TOKEN, DELAY_PERIOD); |
| mChoreographer.removeCallbacks( |
| Choreographer.CALLBACK_ANIMATION, null, TOKEN); |
| verify(addedCallback, timeout(DELAY_PERIOD * 3).times(2)).run(); |
| verifyZeroInteractions(removedCallback); |
| |
| // If the action and token matches, then the callback should be removed. |
| // If only the token matches, then the callback should not be removed. |
| mChoreographer.postCallbackDelayed( |
| Choreographer.CALLBACK_ANIMATION, addedCallback, TOKEN, DELAY_PERIOD); |
| mChoreographer.postCallbackDelayed( |
| Choreographer.CALLBACK_ANIMATION, removedCallback, TOKEN, DELAY_PERIOD); |
| mChoreographer.removeCallbacks( |
| Choreographer.CALLBACK_ANIMATION, removedCallback, TOKEN); |
| verify(addedCallback, timeout(DELAY_PERIOD * 3).times(3)).run(); |
| verifyZeroInteractions(removedCallback); |
| } finally { |
| mChoreographer.removeCallbacks( |
| Choreographer.CALLBACK_ANIMATION, addedCallback, null); |
| mChoreographer.removeCallbacks( |
| Choreographer.CALLBACK_ANIMATION, removedCallback, null); |
| } |
| } |
| |
| @Test(expected=IllegalArgumentException.class) |
| public void testPostNullCallback() { |
| mChoreographer.postCallback(Choreographer.CALLBACK_ANIMATION, null, TOKEN); |
| } |
| |
| @Test(expected=IllegalArgumentException.class) |
| public void testPostNullCallbackDelayed() { |
| mChoreographer.postCallbackDelayed( Choreographer.CALLBACK_ANIMATION, null, TOKEN, |
| DELAY_PERIOD); |
| } |
| |
| @Test |
| public void testPostFrameCallbackWithoutDelay() { |
| final Choreographer.FrameCallback addedFrameCallback1 = |
| mock(Choreographer.FrameCallback.class); |
| final Choreographer.FrameCallback addedFrameCallback2 = |
| mock(Choreographer.FrameCallback.class); |
| final Choreographer.FrameCallback removedFrameCallback = |
| mock(Choreographer.FrameCallback.class); |
| try { |
| // Add and remove a few callbacks. |
| long postTimeNanos = System.nanoTime(); |
| mChoreographer.postFrameCallback(addedFrameCallback1); |
| mChoreographer.postFrameCallback(addedFrameCallback2); |
| mChoreographer.postFrameCallback(removedFrameCallback); |
| mChoreographer.removeFrameCallback(removedFrameCallback); |
| |
| // We expect the remaining callbacks to have been invoked once. |
| ArgumentCaptor<Long> frameTimeNanosCaptor1 = ArgumentCaptor.forClass(Long.class); |
| ArgumentCaptor<Long> frameTimeNanosCaptor2 = ArgumentCaptor.forClass(Long.class); |
| verify(addedFrameCallback1, timeout(NOMINAL_VSYNC_PERIOD * 10).times(1)) |
| .doFrame(frameTimeNanosCaptor1.capture()); |
| verify(addedFrameCallback2, times(1)).doFrame(frameTimeNanosCaptor2.capture()); |
| verifyZeroInteractions(removedFrameCallback); |
| |
| assertTimeDeltaLessThan(frameTimeNanosCaptor1.getValue() - postTimeNanos, |
| NOMINAL_VSYNC_PERIOD * 10 * NANOS_PER_MS); |
| assertTimeDeltaLessThan(frameTimeNanosCaptor2.getValue() - postTimeNanos, |
| NOMINAL_VSYNC_PERIOD * 10 * NANOS_PER_MS); |
| assertTimeDeltaLessThan( |
| Math.abs(frameTimeNanosCaptor2.getValue() - frameTimeNanosCaptor1.getValue()), |
| NOMINAL_VSYNC_PERIOD * NANOS_PER_MS); |
| |
| // If we post a callback again, then it should be invoked again. |
| postTimeNanos = System.nanoTime(); |
| mChoreographer.postFrameCallback(addedFrameCallback1); |
| |
| verify(addedFrameCallback1, timeout(NOMINAL_VSYNC_PERIOD * 10).times(2)) |
| .doFrame(frameTimeNanosCaptor1.capture()); |
| verify(addedFrameCallback2, times(1)).doFrame(frameTimeNanosCaptor2.capture()); |
| verifyZeroInteractions(removedFrameCallback); |
| assertTimeDeltaLessThan(frameTimeNanosCaptor1.getAllValues().get(1) - postTimeNanos, |
| NOMINAL_VSYNC_PERIOD * 10 * NANOS_PER_MS); |
| } finally { |
| mChoreographer.removeFrameCallback(addedFrameCallback1); |
| mChoreographer.removeFrameCallback(addedFrameCallback2); |
| mChoreographer.removeFrameCallback(removedFrameCallback); |
| } |
| } |
| |
| @Test |
| public void testPostFrameCallbackWithDelay() { |
| final Choreographer.FrameCallback addedFrameCallback = |
| mock(Choreographer.FrameCallback.class); |
| final Choreographer.FrameCallback removedFrameCallback = |
| mock(Choreographer.FrameCallback.class); |
| try { |
| // Add and remove a few callbacks. |
| long postTimeNanos = System.nanoTime(); |
| mChoreographer.postFrameCallbackDelayed(addedFrameCallback, DELAY_PERIOD); |
| mChoreographer.postFrameCallbackDelayed(removedFrameCallback, DELAY_PERIOD); |
| mChoreographer.removeFrameCallback(removedFrameCallback); |
| |
| // Sleep for a couple of frames. |
| SystemClock.sleep(NOMINAL_VSYNC_PERIOD * 3); |
| |
| // The callbacks should not have been invoked yet because of the delay. |
| verifyZeroInteractions(addedFrameCallback); |
| verifyZeroInteractions(removedFrameCallback); |
| |
| // We expect the remaining callbacks to have been invoked. |
| ArgumentCaptor<Long> frameTimeNanosCaptor = ArgumentCaptor.forClass(Long.class); |
| verify(addedFrameCallback, timeout(DELAY_PERIOD * 3).times(1)) |
| .doFrame(frameTimeNanosCaptor.capture()); |
| verifyZeroInteractions(removedFrameCallback); |
| assertTimeDeltaLessThan(frameTimeNanosCaptor.getValue() - postTimeNanos, |
| (NOMINAL_VSYNC_PERIOD * 10 + DELAY_PERIOD) * NANOS_PER_MS); |
| } finally { |
| mChoreographer.removeFrameCallback(addedFrameCallback); |
| mChoreographer.removeFrameCallback(removedFrameCallback); |
| } |
| } |
| |
| private void assertTimeDeltaLessThan(long deltaNanos, long thresholdNanos) { |
| if (deltaNanos >= thresholdNanos) { |
| fail("Expected time delta less than " + thresholdNanos + " nanos, actually " |
| + " was " + deltaNanos + " nanos."); |
| } |
| } |
| |
| @Test(expected=IllegalArgumentException.class) |
| public void testPostNullFrameCallback() { |
| mChoreographer.postFrameCallback(null); |
| } |
| |
| @Test(expected=IllegalArgumentException.class) |
| public void testPostNullFrameCallbackDelayed() { |
| mChoreographer.postFrameCallbackDelayed(null, DELAY_PERIOD); |
| } |
| |
| @Test(expected=IllegalArgumentException.class) |
| public void testRemoveNullFrameCallback() { |
| mChoreographer.removeFrameCallback(null); |
| } |
| } |