| /* |
| * Copyright 2018 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 androidx.core.view; |
| |
| import static org.junit.Assert.assertTrue; |
| |
| import android.app.Activity; |
| import android.support.test.filters.MediumTest; |
| import android.support.v4.BaseInstrumentationTestCase; |
| import android.view.View; |
| |
| import androidx.core.test.R; |
| |
| import org.junit.Before; |
| import org.junit.Test; |
| |
| import java.util.concurrent.CountDownLatch; |
| import java.util.concurrent.TimeUnit; |
| |
| @MediumTest |
| public class ViewPropertyAnimatorCompatTest extends BaseInstrumentationTestCase<VpaActivity> { |
| |
| private static final int WAIT_TIMEOUT_MS = 200; |
| |
| private View mView; |
| private int mNumListenerCalls = 0; |
| |
| public ViewPropertyAnimatorCompatTest() { |
| super(VpaActivity.class); |
| } |
| |
| @Before |
| public void setUp() { |
| final Activity activity = mActivityTestRule.getActivity(); |
| mView = activity.findViewById(R.id.view); |
| } |
| |
| @Test |
| public void testWithEndAction() throws Throwable { |
| final CountDownLatch latch1 = new CountDownLatch(1); |
| mActivityTestRule.runOnUiThread(new Runnable() { |
| @Override |
| public void run() { |
| ViewCompat.animate(mView).alpha(0).setDuration(100).withEndAction(new Runnable() { |
| @Override |
| public void run() { |
| latch1.countDown(); |
| } |
| }); |
| } |
| }); |
| assertTrue(latch1.await(300, TimeUnit.MILLISECONDS)); |
| |
| // This test ensures that the endAction listener will be called exactly once |
| mNumListenerCalls = 0; |
| final CountDownLatch latch2 = new CountDownLatch(1); |
| mActivityTestRule.runOnUiThread(new Runnable() { |
| @Override |
| public void run() { |
| ViewCompat.animate(mView).alpha(0).setDuration(50).withEndAction(new Runnable() { |
| @Override |
| public void run() { |
| ++mNumListenerCalls; |
| ViewCompat.animate(mView).alpha(1); |
| latch2.countDown(); |
| } |
| }); |
| } |
| }); |
| assertTrue(latch2.await(200, TimeUnit.MILLISECONDS)); |
| waitAndCheckCallCount(1); |
| } |
| |
| @Test |
| public void testWithStartAction() throws Throwable { |
| final CountDownLatch latch1 = new CountDownLatch(1); |
| mActivityTestRule.runOnUiThread(new Runnable() { |
| @Override |
| public void run() { |
| ViewCompat.animate(mView).alpha(0).setDuration(100).withStartAction(new Runnable() { |
| @Override |
| public void run() { |
| latch1.countDown(); |
| } |
| }); |
| } |
| }); |
| assertTrue(latch1.await(100, TimeUnit.MILLISECONDS)); |
| |
| // This test ensures that the startAction listener will be called exactly once |
| mNumListenerCalls = 0; |
| final CountDownLatch latch2 = new CountDownLatch(1); |
| mActivityTestRule.runOnUiThread(new Runnable() { |
| @Override |
| public void run() { |
| ViewCompat.animate(mView).alpha(0).setDuration(50).withStartAction(new Runnable() { |
| @Override |
| public void run() { |
| ++mNumListenerCalls; |
| ViewCompat.animate(mView).alpha(1); |
| latch2.countDown(); |
| } |
| }); |
| } |
| }); |
| assertTrue(latch2.await(200, TimeUnit.MILLISECONDS)); |
| waitAndCheckCallCount(1); |
| } |
| |
| void waitAndCheckCallCount(final int count) throws InterruptedException { |
| int timeLeft = WAIT_TIMEOUT_MS; |
| while (mNumListenerCalls != count) { |
| Thread.sleep(20); |
| timeLeft -= 20; |
| assertTrue(timeLeft > 0); |
| } |
| } |
| } |