AppWindowTokenTests.java revision 07bcab787ea7ce65081dffe7da196f872a1be37a
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.platform.test.annotations.Presubmit; 25import android.support.test.InstrumentationRegistry; 26import android.support.test.filters.SmallTest; 27import android.support.test.runner.AndroidJUnit4; 28import android.view.IWindow; 29import android.view.WindowManager; 30 31import static android.view.WindowManager.LayoutParams.FIRST_SUB_WINDOW; 32import static android.view.WindowManager.LayoutParams.TYPE_APPLICATION; 33import static android.view.WindowManager.LayoutParams.TYPE_APPLICATION_STARTING; 34import static android.view.WindowManager.LayoutParams.TYPE_BASE_APPLICATION; 35import static org.junit.Assert.assertEquals; 36import static org.junit.Assert.assertFalse; 37import static org.junit.Assert.assertNull; 38import static org.junit.Assert.assertTrue; 39 40/** 41 * Tests for the {@link WindowState} class. 42 * 43 * Build/Install/Run: 44 * bit FrameworksServicesTests:com.android.server.wm.AppWindowTokenTests 45 */ 46@SmallTest 47@Presubmit 48@RunWith(AndroidJUnit4.class) 49public class AppWindowTokenTests { 50 51 private static WindowManagerService sWm = null; 52 private final IWindow mIWindow = new TestIWindow(); 53 54 @Before 55 public void setUp() throws Exception { 56 final Context context = InstrumentationRegistry.getTargetContext(); 57 sWm = TestWindowManagerPolicy.getWindowManagerService(context); 58 } 59 60 @Test 61 public void testAddWindow_Order() throws Exception { 62 final TestAppWindowToken token = new TestAppWindowToken(); 63 64 assertEquals(0, token.getWindowsCount()); 65 66 final WindowState win1 = createWindow(null, TYPE_APPLICATION, token); 67 final WindowState startingWin = createWindow(null, TYPE_APPLICATION_STARTING, token); 68 final WindowState baseWin = createWindow(null, TYPE_BASE_APPLICATION, token); 69 final WindowState win4 = createWindow(null, TYPE_APPLICATION, token); 70 71 token.addWindow(win1); 72 token.addWindow(startingWin); 73 token.addWindow(baseWin); 74 token.addWindow(win4); 75 76 // Should not contain the windows that were added above. 77 assertEquals(4, token.getWindowsCount()); 78 assertTrue(token.hasWindow(win1)); 79 assertTrue(token.hasWindow(startingWin)); 80 assertTrue(token.hasWindow(baseWin)); 81 assertTrue(token.hasWindow(win4)); 82 83 // The starting window should be on-top of all other windows. 84 assertEquals(startingWin, token.getLastChild()); 85 86 // The base application window should be below all other windows. 87 assertEquals(baseWin, token.getFirstChild()); 88 } 89 90 @Test 91 public void testFindMainWindow() throws Exception { 92 final TestAppWindowToken token = new TestAppWindowToken(); 93 94 assertNull(token.findMainWindow()); 95 96 final WindowState window1 = createWindow(null, TYPE_BASE_APPLICATION, token); 97 final WindowState window11 = createWindow(window1, FIRST_SUB_WINDOW, token); 98 final WindowState window12 = createWindow(window1, FIRST_SUB_WINDOW, token); 99 token.addWindow(window1); 100 assertEquals(window1, token.findMainWindow()); 101 window1.mAnimatingExit = true; 102 assertEquals(window1, token.findMainWindow()); 103 final WindowState window2 = createWindow(null, TYPE_APPLICATION_STARTING, token); 104 token.addWindow(window2); 105 assertEquals(window2, token.findMainWindow()); 106 } 107 108 private WindowState createWindow(WindowState parent, int type, WindowToken token) { 109 final WindowManager.LayoutParams attrs = new WindowManager.LayoutParams(type); 110 111 return new WindowState(sWm, null, mIWindow, token, parent, 0, 0, attrs, 0, 0); 112 } 113 114 /* Used so we can gain access to some protected members of the {@link AppWindowToken} class */ 115 private class TestAppWindowToken extends AppWindowToken { 116 117 TestAppWindowToken() { 118 super(sWm, null, false, sWm.getDefaultDisplayContentLocked()); 119 } 120 121 int getWindowsCount() { 122 return mChildren.size(); 123 } 124 125 boolean hasWindow(WindowState w) { 126 return mChildren.contains(w); 127 } 128 129 WindowState getFirstChild() { 130 return mChildren.getFirst(); 131 } 132 133 WindowState getLastChild() { 134 return mChildren.getLast(); 135 } 136 } 137} 138