WindowStateTests.java revision 02319a61927041cc4d3632e94c501b7277f0bda5
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 17package com.android.server.wm; 18 19import org.junit.Before; 20import org.junit.Test; 21import org.junit.runner.RunWith; 22 23import android.content.Context; 24import android.os.Binder; 25import android.platform.test.annotations.Presubmit; 26import android.support.test.InstrumentationRegistry; 27import android.support.test.filters.SmallTest; 28import android.support.test.runner.AndroidJUnit4; 29import android.view.IWindow; 30import android.view.WindowManager; 31 32import static android.view.WindowManager.LayoutParams.FIRST_SUB_WINDOW; 33import static android.view.WindowManager.LayoutParams.TYPE_APPLICATION; 34import static android.view.WindowManager.LayoutParams.TYPE_APPLICATION_MEDIA_OVERLAY; 35import static android.view.WindowManager.LayoutParams.TYPE_APPLICATION_PANEL; 36import static org.junit.Assert.assertEquals; 37import static org.junit.Assert.assertFalse; 38import static org.junit.Assert.assertNull; 39import static org.junit.Assert.assertTrue; 40 41/** 42 * Tests for the {@link WindowState} class. 43 * 44 * Build: mmma -j32 frameworks/base/services/tests/servicestests 45 * Install: adb install -r out/target/product/$TARGET_PRODUCT/data/app/FrameworksServicesTests/FrameworksServicesTests.apk 46 * Run: adb shell am instrument -w -e class com.android.server.wm.WindowStateTests com.android.frameworks.servicestests/android.support.test.runner.AndroidJUnitRunner 47 */ 48@SmallTest 49@Presubmit 50@RunWith(AndroidJUnit4.class) 51public class WindowStateTests { 52 53 private static WindowManagerService sWm = null; 54 private WindowToken mWindowToken; 55 private final IWindow mIWindow = new TestIWindow(); 56 57 @Before 58 public void setUp() throws Exception { 59 final Context context = InstrumentationRegistry.getTargetContext(); 60 sWm = TestWindowManagerPolicy.getWindowManagerService(context); 61 mWindowToken = new WindowToken(sWm, new Binder(), 0, false, 62 sWm.getDefaultDisplayContentLocked()); 63 } 64 65 @Test 66 public void testIsParentWindowHidden() throws Exception { 67 final WindowState parentWindow = createWindow(null, TYPE_APPLICATION); 68 final WindowState child1 = createWindow(parentWindow, FIRST_SUB_WINDOW); 69 final WindowState child2 = createWindow(parentWindow, FIRST_SUB_WINDOW); 70 71 assertFalse(parentWindow.mHidden); 72 assertFalse(parentWindow.isParentWindowHidden()); 73 assertFalse(child1.isParentWindowHidden()); 74 assertFalse(child2.isParentWindowHidden()); 75 76 parentWindow.mHidden = true; 77 assertFalse(parentWindow.isParentWindowHidden()); 78 assertTrue(child1.isParentWindowHidden()); 79 assertTrue(child2.isParentWindowHidden()); 80 } 81 82 @Test 83 public void testIsChildWindow() throws Exception { 84 final WindowState parentWindow = createWindow(null, TYPE_APPLICATION); 85 final WindowState child1 = createWindow(parentWindow, FIRST_SUB_WINDOW); 86 final WindowState child2 = createWindow(parentWindow, FIRST_SUB_WINDOW); 87 final WindowState randomWindow = createWindow(null, TYPE_APPLICATION); 88 89 assertFalse(parentWindow.isChildWindow()); 90 assertTrue(child1.isChildWindow()); 91 assertTrue(child2.isChildWindow()); 92 assertFalse(randomWindow.isChildWindow()); 93 } 94 95 @Test 96 public void testHasChild() throws Exception { 97 final WindowState win1 = createWindow(null, TYPE_APPLICATION); 98 final WindowState win11 = createWindow(win1, FIRST_SUB_WINDOW); 99 final WindowState win12 = createWindow(win1, FIRST_SUB_WINDOW); 100 final WindowState win2 = createWindow(null, TYPE_APPLICATION); 101 final WindowState win21 = createWindow(win2, FIRST_SUB_WINDOW); 102 final WindowState randomWindow = createWindow(null, TYPE_APPLICATION); 103 104 assertTrue(win1.hasChild(win11)); 105 assertTrue(win1.hasChild(win12)); 106 assertTrue(win2.hasChild(win21)); 107 108 assertFalse(win1.hasChild(win21)); 109 assertFalse(win1.hasChild(randomWindow)); 110 111 assertFalse(win2.hasChild(win11)); 112 assertFalse(win2.hasChild(win12)); 113 assertFalse(win2.hasChild(randomWindow)); 114 } 115 116 @Test 117 public void testGetBottomChild() throws Exception { 118 final WindowState parentWindow = createWindow(null, TYPE_APPLICATION); 119 assertNull(parentWindow.getBottomChild()); 120 121 final WindowState child1 = createWindow(parentWindow, TYPE_APPLICATION_PANEL); 122 assertEquals(child1, parentWindow.getBottomChild()); 123 124 final WindowState child2 = createWindow(parentWindow, TYPE_APPLICATION_PANEL); 125 // Since child1 and child2 are at the same layer, then child2 is expect to be added on top 126 // on child1 127 assertEquals(child1, parentWindow.getBottomChild()); 128 129 final WindowState child3 = createWindow(parentWindow, TYPE_APPLICATION_MEDIA_OVERLAY); 130 // Since child3 is a negative layer, we would expect it to be added below current children 131 // with positive layers. 132 assertEquals(child3, parentWindow.getBottomChild()); 133 134 final WindowState child4 = createWindow(parentWindow, TYPE_APPLICATION_MEDIA_OVERLAY); 135 // We would also expect additional negative layers to be added below existing negative 136 // layers. 137 assertEquals(child4, parentWindow.getBottomChild()); 138 } 139 140 @Test 141 public void testGetParentWindow() throws Exception { 142 final WindowState parentWindow = createWindow(null, TYPE_APPLICATION); 143 final WindowState child1 = createWindow(parentWindow, FIRST_SUB_WINDOW); 144 final WindowState child2 = createWindow(parentWindow, FIRST_SUB_WINDOW); 145 146 assertNull(parentWindow.getParentWindow()); 147 assertEquals(parentWindow, child1.getParentWindow()); 148 assertEquals(parentWindow, child2.getParentWindow()); 149 } 150 151 @Test 152 public void testGetTopParentWindow() throws Exception { 153 final WindowState root = createWindow(null, TYPE_APPLICATION); 154 final WindowState child1 = createWindow(root, FIRST_SUB_WINDOW); 155 final WindowState child2 = createWindow(child1, FIRST_SUB_WINDOW); 156 157 assertEquals(root, root.getTopParentWindow()); 158 assertEquals(root, child1.getTopParentWindow()); 159 assertEquals(child1, child2.getParentWindow()); 160 assertEquals(root, child2.getTopParentWindow()); 161 } 162 163 private WindowState createWindow(WindowState parent, int type) { 164 final WindowManager.LayoutParams attrs = new WindowManager.LayoutParams(type); 165 166 return new WindowState(sWm, null, mIWindow, mWindowToken, parent, 0, 0, attrs, 0, 167 sWm.getDefaultDisplayContentLocked(), 0); 168 } 169} 170