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      1 /*
      2  * Copyright (C) 2007 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.os;
     18 
     19 import android.content.ComponentName;
     20 import android.content.Context;
     21 import android.content.Intent;
     22 import android.content.ServiceConnection;
     23 import android.os.RemoteException;
     24 import android.os.Handler;
     25 import android.os.IBinder;
     26 import android.os.Message;
     27 import android.os.Messenger;
     28 import android.test.AndroidTestCase;
     29 import android.test.suitebuilder.annotation.MediumTest;
     30 
     31 public class MessengerTest extends AndroidTestCase {
     32     private Messenger mServiceMessenger;
     33 
     34     private ServiceConnection mConnection = new ServiceConnection() {
     35         public void onServiceConnected(ComponentName name, IBinder service) {
     36             synchronized (MessengerTest.this) {
     37                 mServiceMessenger = new Messenger(service);
     38                 MessengerTest.this.notifyAll();
     39             }
     40         }
     41         public void onServiceDisconnected(ComponentName name) {
     42             mServiceMessenger = null;
     43         }
     44     };
     45 
     46     private class TestThread extends TestHandlerThread {
     47         private Handler mTestHandler;
     48         private Messenger mTestMessenger;
     49 
     50         public void go() {
     51             synchronized (MessengerTest.this) {
     52                 mTestHandler = new Handler() {
     53                     public void handleMessage(Message msg) {
     54                         TestThread.this.handleMessage(msg);
     55                     }
     56                 };
     57                 mTestMessenger = new Messenger(mTestHandler);
     58                 TestThread.this.executeTest();
     59             }
     60         }
     61 
     62         public void executeTest() {
     63             Message msg = Message.obtain();
     64             msg.arg1 = 100;
     65             msg.arg2 = 1000;
     66             msg.replyTo = mTestMessenger;
     67             try {
     68                 mServiceMessenger.send(msg);
     69             } catch (RemoteException e) {
     70             }
     71         }
     72 
     73         public void handleMessage(Message msg) {
     74             if (msg.arg1 != 100) {
     75                 failure(new RuntimeException(
     76                         "Message.arg1 is not 100: " + msg.arg1));
     77                 return;
     78             }
     79             if (msg.arg2 != 1000) {
     80                 failure(new RuntimeException(
     81                         "Message.arg2 is not 1000: " + msg.arg2));
     82                 return;
     83             }
     84             if (!mTestMessenger.equals(msg.replyTo)) {
     85                 failure(new RuntimeException(
     86                         "Message.replyTo is not me: " + msg.replyTo));
     87                 return;
     88             }
     89             success();
     90         }
     91     };
     92 
     93     @Override
     94     protected void setUp() throws Exception {
     95         super.setUp();
     96         getContext().bindService(new Intent(mContext, MessengerService.class),
     97                 mConnection, Context.BIND_AUTO_CREATE);
     98         synchronized (this) {
     99             while (mServiceMessenger == null) {
    100                 try {
    101                     wait();
    102                 } catch (InterruptedException e) {
    103                 }
    104             }
    105         }
    106     }
    107 
    108     @Override
    109     protected void tearDown() throws Exception {
    110         super.tearDown();
    111         getContext().unbindService(mConnection);
    112     }
    113 
    114     @MediumTest
    115     public void testSend() {
    116         (new TestThread()).doTest(1000);
    117 
    118     }
    119 }
    120