1 /*
2  * Copyright (C) 2019 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 com.android.server.am;
18 
19 import android.os.Process;
20 
21 import com.android.server.ServiceThread;
22 
23 import org.junit.rules.TestRule;
24 import org.junit.runner.Description;
25 import org.junit.runners.model.Statement;
26 
27 class ServiceThreadRule implements TestRule {
28 
29     private ServiceThread mThread;
30 
getThread()31     ServiceThread getThread() {
32         return mThread;
33     }
34 
35     @Override
apply(Statement base, Description description)36     public Statement apply(Statement base, Description description) {
37         return new Statement() {
38             @Override
39             public void evaluate() throws Throwable {
40                 mThread = new ServiceThread("TestServiceThread", Process.THREAD_PRIORITY_DEFAULT,
41                         true /* allowIo */);
42                 mThread.start();
43                 try {
44                     base.evaluate();
45                 } finally {
46                     mThread.getThreadHandler().runWithScissors(mThread::quit, 0 /* timeout */);
47                 }
48             }
49         };
50     }
51 }
52