1 /* 2 * Copyright (C) 2010 Google Inc. 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 com.android.i18n.addressinput; 18 19 import com.android.i18n.addressinput.testing.AsyncTestCase; 20 21 import junit.framework.AssertionFailedError; 22 23 import java.util.concurrent.TimeoutException; 24 25 public class AsyncTestCaseTest extends AsyncTestCase { 26 27 public void testSuccess() { 28 delayTestFinish(1000); 29 AsyncCallback.execute(500, new Runnable() { 30 @Override 31 public void run() { 32 finishTest(); 33 } 34 }); 35 } 36 37 public void testFailure() { 38 expectTimeout = true; 39 delayTestFinish(1000); 40 AsyncCallback.execute(1500, new Runnable() { 41 @Override 42 public void run() { 43 finishTest(); 44 } 45 }); 46 } 47 48 @Override 49 protected void runTest() throws Throwable { 50 expectTimeout = false; 51 try { 52 super.runTest(); 53 } catch (TimeoutException e) { 54 if (expectTimeout) { 55 return; 56 } else { 57 throw e; 58 } 59 } 60 if (expectTimeout) { 61 throw new AssertionFailedError("Test case did not time out."); 62 } 63 } 64 65 private boolean expectTimeout; 66 67 /** 68 * Helper class to perform an asynchronous callback after a specified delay. 69 */ 70 private static class AsyncCallback extends Thread { 71 public static void execute(long waitMillis, Runnable callback) { 72 (new AsyncCallback(waitMillis, callback)).start(); 73 } 74 75 @Override 76 public void run() { 77 try { 78 synchronized (this) { 79 wait(mWaitMillis); 80 } 81 } catch (InterruptedException e) { 82 throw new RuntimeException(e); 83 } 84 mCallback.run(); 85 } 86 87 private AsyncCallback(long waitMillis, Runnable callback) { 88 this.mWaitMillis = waitMillis; 89 this.mCallback = callback; 90 } 91 92 private long mWaitMillis; 93 private Runnable mCallback; 94 } 95 } 96