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
17package android.os;
18
19import android.os.Handler;
20import android.os.Looper;
21import android.os.Message;
22
23public abstract class HandlerTester extends Thread {
24    public abstract void go();
25    public abstract void handleMessage(Message msg);
26
27    public HandlerTester() {
28    }
29
30    public void doTest(long timeout) {
31        start();
32
33        synchronized (this) {
34            try {
35                wait(timeout);
36                quit();
37            }
38            catch (InterruptedException e) {
39            }
40        }
41
42        if (!mDone) {
43            throw new RuntimeException("test timed out");
44        }
45        if (!mSuccess) {
46            throw new RuntimeException("test failed");
47        }
48    }
49
50    public void success() {
51        mDone = true;
52        mSuccess = true;
53    }
54
55    public void failure() {
56        mDone = true;
57        mSuccess = false;
58    }
59
60    public void run() {
61        Looper.prepare();
62        mLooper = Looper.myLooper();
63        go();
64        Looper.loop();
65    }
66
67    protected class H extends Handler {
68        public void handleMessage(Message msg) {
69            synchronized (HandlerTester.this) {
70                // Call into them with our monitor locked, so they don't have
71                // to deal with other races.
72                HandlerTester.this.handleMessage(msg);
73                if (mDone) {
74                    HandlerTester.this.notify();
75                    quit();
76                }
77            }
78        }
79    }
80
81    private void quit() {
82        mLooper.quit();
83    }
84
85    private boolean mDone = false;
86    private boolean mSuccess = false;
87    private Looper mLooper;
88}
89
90