1 /*
2  * Copyright (C) 2016 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;
18 
19 import android.content.Context;
20 import android.os.Handler;
21 import android.os.Looper;
22 import android.support.test.InstrumentationRegistry;
23 
24 import org.mockito.MockitoAnnotations;
25 
26 import java.util.concurrent.CountDownLatch;
27 import java.util.concurrent.TimeUnit;
28 
29 /**
30  * Helper class to load Mockito Resources into a test.
31  */
32 public class TelephonyTestBase {
33 
34     protected Context mContext;
35 
setUp()36     public void setUp() throws Exception {
37         mContext = InstrumentationRegistry.getTargetContext();
38         MockitoAnnotations.initMocks(this);
39         // Set up the looper if it does not exist on the test thread.
40         if (Looper.myLooper() == null) {
41             Looper.prepare();
42         }
43     }
44 
tearDown()45     public void tearDown() throws Exception {
46     }
47 
waitForHandlerAction(Handler h, long timeoutMillis)48     protected final void waitForHandlerAction(Handler h, long timeoutMillis) {
49         final CountDownLatch lock = new CountDownLatch(1);
50         h.post(lock::countDown);
51         while (lock.getCount() > 0) {
52             try {
53                 lock.await(timeoutMillis, TimeUnit.MILLISECONDS);
54             } catch (InterruptedException e) {
55                 // do nothing
56             }
57         }
58     }
59 
waitForHandlerActionDelayed(Handler h, long timeoutMillis, long delayMs)60     protected final void waitForHandlerActionDelayed(Handler h, long timeoutMillis, long delayMs) {
61         final CountDownLatch lock = new CountDownLatch(1);
62         h.postDelayed(lock::countDown, delayMs);
63         while (lock.getCount() > 0) {
64             try {
65                 lock.await(timeoutMillis, TimeUnit.MILLISECONDS);
66             } catch (InterruptedException e) {
67                 // do nothing
68             }
69         }
70     }
71 }
72