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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.documentsui.selection;
     18 
     19 import static org.junit.Assert.assertFalse;
     20 import static org.junit.Assert.assertTrue;
     21 
     22 import android.support.test.filters.SmallTest;
     23 import android.support.test.runner.AndroidJUnit4;
     24 
     25 import org.junit.Before;
     26 import org.junit.Test;
     27 import org.junit.runner.RunWith;
     28 
     29 @RunWith(AndroidJUnit4.class)
     30 @SmallTest
     31 public class ContentLockTest {
     32 
     33     private ContentLock mLock = new ContentLock();
     34     private boolean mCalled;
     35 
     36     private Runnable mRunnable = new Runnable() {
     37         @Override
     38         public void run() {
     39             mCalled = true;
     40         }
     41     };
     42 
     43     @Before
     44     public void setUp() {
     45         mCalled = false;
     46     }
     47 
     48     @Test
     49     public void testNotBlocking_callbackNotBlocked() {
     50         mLock.runWhenUnlocked(mRunnable);
     51         assertTrue(mCalled);
     52     }
     53 
     54     @Test
     55     public void testToggleBlocking_callbackNotBlocked() {
     56         mLock.block();
     57         mLock.unblock();
     58         mLock.runWhenUnlocked(mRunnable);
     59         assertTrue(mCalled);
     60     }
     61 
     62     @Test
     63     public void testBlocking_callbackBlocked() {
     64         mLock.block();
     65         mLock.runWhenUnlocked(mRunnable);
     66         assertFalse(mCalled);
     67     }
     68 
     69     @Test
     70     public void testBlockthenUnblock_callbackNotBlocked() {
     71         mLock.block();
     72         mLock.runWhenUnlocked(mRunnable);
     73         mLock.unblock();
     74         assertTrue(mCalled);
     75     }
     76 }
     77