| /* |
| * Copyright (C) 2015 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; |
| |
| import android.test.AndroidTestCase; |
| |
| import androidx.test.filters.SmallTest; |
| |
| public class HandlerActionQueueTest extends AndroidTestCase { |
| |
| @SmallTest |
| public void testPostAndRemove() { |
| HandlerActionQueue runQueue = new HandlerActionQueue(); |
| MockRunnable runnable1 = new MockRunnable(); |
| MockRunnable runnable2 = new MockRunnable(); |
| MockRunnable runnable3 = new MockRunnable(); |
| |
| runQueue.post(runnable1); |
| runQueue.post(runnable1); |
| runQueue.post(runnable2); |
| runQueue.postDelayed(runnable1, 100); |
| runQueue.postDelayed(null, 500); |
| assertEquals(5, runQueue.size()); |
| assertEquals(0, runQueue.getDelay(0)); |
| assertEquals(0, runQueue.getDelay(1)); |
| assertEquals(0, runQueue.getDelay(2)); |
| assertEquals(100, runQueue.getDelay(3)); |
| assertEquals(500, runQueue.getDelay(4)); |
| assertEquals(500, runQueue.getDelay(4)); |
| assertEquals(runnable1, runQueue.getRunnable(0)); |
| assertEquals(runnable1, runQueue.getRunnable(1)); |
| assertEquals(runnable2, runQueue.getRunnable(2)); |
| assertEquals(runnable1, runQueue.getRunnable(3)); |
| assertEquals(null, runQueue.getRunnable(4)); |
| |
| runQueue.removeCallbacks(runnable1); |
| assertEquals(2, runQueue.size()); |
| assertEquals(0, runQueue.getDelay(0)); |
| assertEquals(500, runQueue.getDelay(1)); |
| assertEquals(runnable2, runQueue.getRunnable(0)); |
| assertEquals(null, runQueue.getRunnable(1)); |
| |
| try { |
| assertNull(runQueue.getRunnable(2)); |
| assertFalse(true); |
| } catch (IndexOutOfBoundsException e) { |
| // Should throw an exception. |
| } |
| |
| runQueue.removeCallbacks(runnable3); |
| assertEquals(2, runQueue.size()); |
| |
| runQueue.removeCallbacks(runnable2); |
| assertEquals(1, runQueue.size()); |
| assertEquals(null, runQueue.getRunnable(0)); |
| |
| runQueue.removeCallbacks(null); |
| assertEquals(0, runQueue.size()); |
| } |
| |
| private static class MockRunnable implements Runnable { |
| @Override |
| public void run() { |
| |
| } |
| } |
| } |