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      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 import android.util.Log;
     24 
     25 import org.mockito.MockitoAnnotations;
     26 
     27 import java.util.concurrent.CountDownLatch;
     28 import java.util.concurrent.TimeUnit;
     29 
     30 /**
     31  * Helper class to load Mockito Resources into a test.
     32  */
     33 public class TelephonyTestBase {
     34 
     35     protected Context mContext;
     36 
     37     public void setUp() throws Exception {
     38         mContext = InstrumentationRegistry.getTargetContext();
     39         MockitoAnnotations.initMocks(this);
     40         // Set up the looper if it does not exist on the test thread.
     41         if (Looper.myLooper() == null) {
     42             Looper.prepare();
     43         }
     44     }
     45 
     46     public void tearDown() throws Exception {
     47     }
     48 
     49     protected final void waitForHandlerAction(Handler h, long timeoutMillis) {
     50         final CountDownLatch lock = new CountDownLatch(1);
     51         h.post(lock::countDown);
     52         while (lock.getCount() > 0) {
     53             try {
     54                 lock.await(timeoutMillis, TimeUnit.MILLISECONDS);
     55             } catch (InterruptedException e) {
     56                 // do nothing
     57             }
     58         }
     59     }
     60 
     61     protected final void waitForHandlerActionDelayed(Handler h, long timeoutMillis, long delayMs) {
     62         final CountDownLatch lock = new CountDownLatch(1);
     63         h.postDelayed(lock::countDown, delayMs);
     64         while (lock.getCount() > 0) {
     65             try {
     66                 lock.await(timeoutMillis, TimeUnit.MILLISECONDS);
     67             } catch (InterruptedException e) {
     68                 // do nothing
     69             }
     70         }
     71     }
     72 
     73     protected void waitForMs(long ms) {
     74         try {
     75             Thread.sleep(ms);
     76         } catch (InterruptedException e) {
     77             Log.e("TelephonyTestBase", "InterruptedException while waiting: " + e);
     78         }
     79     }
     80 }
     81