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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.os.Handler;
     20 import android.os.Looper;
     21 import android.os.Message;
     22 import android.os.MessageQueue.IdleHandler;
     23 
     24 abstract class TestHandlerThread {
     25     private boolean mDone = false;
     26     private boolean mSuccess = false;
     27     private RuntimeException mFailure = null;
     28     private Looper mLooper;
     29 
     30     public abstract void go();
     31 
     32     public TestHandlerThread() {
     33     }
     34 
     35     public void doTest(long timeout) {
     36         (new LooperThread()).start();
     37 
     38         synchronized (this) {
     39             long now = System.currentTimeMillis();
     40             long endTime = now + timeout;
     41             while (!mDone && now < endTime) {
     42                 try {
     43                     wait(endTime-now);
     44                 }
     45                 catch (InterruptedException e) {
     46                 }
     47                 now = System.currentTimeMillis();
     48             }
     49         }
     50 
     51         mLooper.quit();
     52 
     53         if (!mDone) {
     54             throw new RuntimeException("test timed out");
     55         }
     56         if (!mSuccess) {
     57             throw mFailure;
     58         }
     59     }
     60 
     61     public Looper getLooper() {
     62         return mLooper;
     63     }
     64 
     65     public void success() {
     66         synchronized (this) {
     67             mSuccess = true;
     68             quit();
     69         }
     70     }
     71 
     72     public void failure(RuntimeException failure) {
     73         synchronized (this) {
     74             mSuccess = false;
     75             mFailure = failure;
     76             quit();
     77         }
     78     }
     79 
     80     class LooperThread extends Thread {
     81         public void run() {
     82             Looper.prepare();
     83             mLooper = Looper.myLooper();
     84             go();
     85             Looper.loop();
     86 
     87             synchronized (TestHandlerThread.this) {
     88                 mDone = true;
     89                 if (!mSuccess && mFailure == null) {
     90                     mFailure = new RuntimeException("no failure exception set");
     91                 }
     92                 TestHandlerThread.this.notifyAll();
     93             }
     94         }
     95 
     96     }
     97 
     98     private void quit() {
     99         synchronized (this) {
    100             mDone = true;
    101             notifyAll();
    102         }
    103     }
    104 }
    105