1/* 2 * Copyright (C) 2017 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 17package com.android.systemui.keyguard; 18 19import static org.junit.Assert.assertFalse; 20import static org.junit.Assert.assertTrue; 21 22import android.support.test.filters.SmallTest; 23import android.testing.AndroidTestingRunner; 24 25import com.android.systemui.SysuiTestCase; 26 27import org.junit.Before; 28import org.junit.Test; 29import org.junit.runner.RunWith; 30 31import java.util.ArrayList; 32 33@RunWith(AndroidTestingRunner.class) 34@SmallTest 35public class LifecycleTest extends SysuiTestCase { 36 37 private final Object mObj1 = new Object(); 38 private final Object mObj2 = new Object(); 39 40 private Lifecycle<Object> mLifecycle; 41 private ArrayList<Object> mDispatchedObjects; 42 43 @Before 44 public void setUp() throws Exception { 45 mLifecycle = new Lifecycle<>(); 46 mDispatchedObjects = new ArrayList<>(); 47 } 48 49 @Test 50 public void addObserver_addsObserver() throws Exception { 51 mLifecycle.addObserver(mObj1); 52 53 mLifecycle.dispatch(mDispatchedObjects::add); 54 55 assertTrue(mDispatchedObjects.contains(mObj1)); 56 } 57 58 @Test 59 public void removeObserver() throws Exception { 60 mLifecycle.addObserver(mObj1); 61 mLifecycle.removeObserver(mObj1); 62 63 mLifecycle.dispatch(mDispatchedObjects::add); 64 65 assertFalse(mDispatchedObjects.contains(mObj1)); 66 } 67 68 @Test 69 public void dispatch() throws Exception { 70 mLifecycle.addObserver(mObj1); 71 mLifecycle.addObserver(mObj2); 72 73 mLifecycle.dispatch(mDispatchedObjects::add); 74 75 assertTrue(mDispatchedObjects.contains(mObj1)); 76 assertTrue(mDispatchedObjects.contains(mObj2)); 77 } 78 79}