1 /* 2 * Copyright (C) 2015 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package android.view; 18 19 import android.test.AndroidTestCase; 20 import android.test.suitebuilder.annotation.SmallTest; 21 22 public class HandlerActionQueueTest extends AndroidTestCase { 23 24 @SmallTest 25 public void testPostAndRemove() { 26 HandlerActionQueue runQueue = new HandlerActionQueue(); 27 MockRunnable runnable1 = new MockRunnable(); 28 MockRunnable runnable2 = new MockRunnable(); 29 MockRunnable runnable3 = new MockRunnable(); 30 31 runQueue.post(runnable1); 32 runQueue.post(runnable1); 33 runQueue.post(runnable2); 34 runQueue.postDelayed(runnable1, 100); 35 runQueue.postDelayed(null, 500); 36 assertEquals(5, runQueue.size()); 37 assertEquals(0, runQueue.getDelay(0)); 38 assertEquals(0, runQueue.getDelay(1)); 39 assertEquals(0, runQueue.getDelay(2)); 40 assertEquals(100, runQueue.getDelay(3)); 41 assertEquals(500, runQueue.getDelay(4)); 42 assertEquals(500, runQueue.getDelay(4)); 43 assertEquals(runnable1, runQueue.getRunnable(0)); 44 assertEquals(runnable1, runQueue.getRunnable(1)); 45 assertEquals(runnable2, runQueue.getRunnable(2)); 46 assertEquals(runnable1, runQueue.getRunnable(3)); 47 assertEquals(null, runQueue.getRunnable(4)); 48 49 runQueue.removeCallbacks(runnable1); 50 assertEquals(2, runQueue.size()); 51 assertEquals(0, runQueue.getDelay(0)); 52 assertEquals(500, runQueue.getDelay(1)); 53 assertEquals(runnable2, runQueue.getRunnable(0)); 54 assertEquals(null, runQueue.getRunnable(1)); 55 56 try { 57 assertNull(runQueue.getRunnable(2)); 58 assertFalse(true); 59 } catch (IndexOutOfBoundsException e) { 60 // Should throw an exception. 61 } 62 63 runQueue.removeCallbacks(runnable3); 64 assertEquals(2, runQueue.size()); 65 66 runQueue.removeCallbacks(runnable2); 67 assertEquals(1, runQueue.size()); 68 assertEquals(null, runQueue.getRunnable(0)); 69 70 runQueue.removeCallbacks(null); 71 assertEquals(0, runQueue.size()); 72 } 73 74 private static class MockRunnable implements Runnable { 75 @Override 76 public void run() { 77 78 } 79 } 80 } 81
