AppWindowTokenTests.java revision 44fbdf5b1e13398e35d4bafb7236d194a51ee7af 
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.assertNull;
37import static org.junit.Assert.assertTrue;
38
39/**
40 * Tests for the {@link AppWindowToken} class.
41 *
42 * Build/Install/Run:
43 *  bit FrameworksServicesTests:com.android.server.wm.AppWindowTokenTests
44 */
45@SmallTest
46@Presubmit
47@RunWith(AndroidJUnit4.class)
48public class AppWindowTokenTests extends WindowTestsBase {
49
50    @Test
51    public void testAddWindow_Order() throws Exception {
52        final TestAppWindowToken token = new TestAppWindowToken();
53
54        assertEquals(0, token.getWindowsCount());
55
56        final WindowState win1 = createWindow(null, TYPE_APPLICATION, token, "win1");
57        final WindowState startingWin = createWindow(null, TYPE_APPLICATION_STARTING, token,
58                "startingWin");
59        final WindowState baseWin = createWindow(null, TYPE_BASE_APPLICATION, token, "baseWin");
60        final WindowState win4 = createWindow(null, TYPE_APPLICATION, token, "win4");
61
62        token.addWindow(win1);
63        token.addWindow(startingWin);
64        token.addWindow(baseWin);
65        token.addWindow(win4);
66
67        // Should not contain the windows that were added above.
68        assertEquals(4, token.getWindowsCount());
69        assertTrue(token.hasWindow(win1));
70        assertTrue(token.hasWindow(startingWin));
71        assertTrue(token.hasWindow(baseWin));
72        assertTrue(token.hasWindow(win4));
73
74        // The starting window should be on-top of all other windows.
75        assertEquals(startingWin, token.getLastChild());
76
77        // The base application window should be below all other windows.
78        assertEquals(baseWin, token.getFirstChild());
79    }
80
81    @Test
82    public void testFindMainWindow() throws Exception {
83        final TestAppWindowToken token = new TestAppWindowToken();
84
85        assertNull(token.findMainWindow());
86
87        final WindowState window1 = createWindow(null, TYPE_BASE_APPLICATION, token, "window1");
88        final WindowState window11 = createWindow(window1, FIRST_SUB_WINDOW, token, "window11");
89        final WindowState window12 = createWindow(window1, FIRST_SUB_WINDOW, token, "window12");
90        token.addWindow(window1);
91        assertEquals(window1, token.findMainWindow());
92        window1.mAnimatingExit = true;
93        assertEquals(window1, token.findMainWindow());
94        final WindowState window2 = createWindow(null, TYPE_APPLICATION_STARTING, token, "window2");
95        token.addWindow(window2);
96        assertEquals(window2, token.findMainWindow());
97    }
98
99    /* Used so we can gain access to some protected members of the {@link AppWindowToken} class */
100    private class TestAppWindowToken extends AppWindowToken {
101
102        TestAppWindowToken() {
103            super(sWm, null, false, sWm.getDefaultDisplayContentLocked());
104        }
105
106        int getWindowsCount() {
107            return mChildren.size();
108        }
109
110        boolean hasWindow(WindowState w) {
111            return mChildren.contains(w);
112        }
113
114        WindowState getFirstChild() {
115            return mChildren.getFirst();
116        }
117
118        WindowState getLastChild() {
119            return mChildren.getLast();
120        }
121    }
122}
123