| /* |
| * Copyright (C) 2007 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.os; |
| |
| import android.os.Handler; |
| import android.os.Message; |
| import android.os.SystemClock; |
| import android.test.suitebuilder.annotation.MediumTest; |
| import junit.framework.TestCase; |
| |
| public class MessageQueueTest extends TestCase { |
| |
| private static class BaseTestHandler extends TestHandlerThread { |
| Handler mHandler; |
| int mLastMessage; |
| int mCount; |
| |
| public BaseTestHandler() { |
| } |
| |
| public void go() { |
| mHandler = new Handler() { |
| public void handleMessage(Message msg) { |
| BaseTestHandler.this.handleMessage(msg); |
| } |
| }; |
| } |
| |
| public void handleMessage(Message msg) { |
| if (mCount <= mLastMessage) { |
| if (msg.what != mCount) { |
| failure(new RuntimeException( |
| "Expected message #" + mCount |
| + ", received #" + msg.what)); |
| } else if (mCount == mLastMessage) { |
| success(); |
| } |
| mCount++; |
| } else { |
| failure(new RuntimeException( |
| "Message received after done, #" + msg.what)); |
| } |
| } |
| } |
| |
| @MediumTest |
| public void testMessageOrder() throws Exception { |
| TestHandlerThread tester = new BaseTestHandler() { |
| public void go() { |
| super.go(); |
| long now = SystemClock.uptimeMillis() + 200; |
| mLastMessage = 4; |
| mCount = 0; |
| mHandler.sendMessageAtTime(mHandler.obtainMessage(2), now + 1); |
| mHandler.sendMessageAtTime(mHandler.obtainMessage(3), now + 2); |
| mHandler.sendMessageAtTime(mHandler.obtainMessage(4), now + 2); |
| mHandler.sendMessageAtTime(mHandler.obtainMessage(0), now + 0); |
| mHandler.sendMessageAtTime(mHandler.obtainMessage(1), now + 0); |
| } |
| }; |
| |
| tester.doTest(1000); |
| } |
| |
| @MediumTest |
| public void testAtFrontOfQueue() throws Exception { |
| TestHandlerThread tester = new BaseTestHandler() { |
| public void go() { |
| super.go(); |
| long now = SystemClock.uptimeMillis() + 200; |
| mLastMessage = 3; |
| mCount = 0; |
| mHandler.sendMessageAtTime(mHandler.obtainMessage(3), now); |
| mHandler.sendMessageAtFrontOfQueue(mHandler.obtainMessage(2)); |
| mHandler.sendMessageAtFrontOfQueue(mHandler.obtainMessage(0)); |
| } |
| |
| public void handleMessage(Message msg) { |
| super.handleMessage(msg); |
| if (msg.what == 0) { |
| mHandler.sendMessageAtFrontOfQueue(mHandler.obtainMessage(1)); |
| } |
| } |
| }; |
| |
| tester.doTest(1000); |
| } |
| } |
| |