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; 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 DirectoryReloadLockTest { 32 33 private DirectoryReloadLock lock = new DirectoryReloadLock(); 34 private boolean called; 35 private Runnable callback = () -> { 36 called = true; 37 }; 38 39 @Before setUp()40 public void setUp() { 41 called = false; 42 } 43 44 @Test testNotBlocking_callbackNotBlocked()45 public void testNotBlocking_callbackNotBlocked() { 46 lock.tryUpdate(callback); 47 assertTrue(called); 48 } 49 50 @Test testToggleBlocking_callbackNotBlocked()51 public void testToggleBlocking_callbackNotBlocked() { 52 lock.block(); 53 lock.unblock(); 54 lock.tryUpdate(callback); 55 assertTrue(called); 56 } 57 58 @Test testBlocking_callbackBlocked()59 public void testBlocking_callbackBlocked() { 60 lock.block(); 61 lock.tryUpdate(callback); 62 assertFalse(called); 63 } 64 65 @Test testBlockthenUnblock_callbackNotBlocked()66 public void testBlockthenUnblock_callbackNotBlocked() { 67 lock.block(); 68 lock.tryUpdate(callback); 69 lock.unblock(); 70 assertTrue(called); 71 } 72 } 73