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.Test;
20
21import android.platform.test.annotations.Presubmit;
22import android.support.test.filters.SmallTest;
23import android.support.test.runner.AndroidJUnit4;
24
25import static org.junit.Assert.assertEquals;
26import static org.junit.Assert.assertNull;
27import static org.junit.Assert.assertTrue;
28
29/**
30 * Test class for {@link WindowContainerController}.
31 *
32 * Build/Install/Run:
33 *  bit FrameworksServicesTests:com.android.server.wm.WindowContainerControllerTests
34 */
35@SmallTest
36@Presubmit
37@org.junit.runner.RunWith(AndroidJUnit4.class)
38public class WindowContainerControllerTests extends WindowTestsBase {
39
40    @Test
41    public void testCreation() throws Exception {
42        final WindowContainerController controller = new WindowContainerController(null, sWm);
43        final WindowContainer container = new WindowContainer();
44
45        container.setController(controller);
46        assertEquals(controller, container.getController());
47        assertEquals(controller.mContainer, container);
48    }
49
50    @Test
51    public void testSetContainer() throws Exception {
52        final WindowContainerController controller = new WindowContainerController(null, sWm);
53        final WindowContainer container = new WindowContainer();
54
55        controller.setContainer(container);
56        assertEquals(controller.mContainer, container);
57
58        // Assert we can't change the container to another one once set
59        boolean gotException = false;
60        try {
61            controller.setContainer(new WindowContainer());
62        } catch (IllegalArgumentException e) {
63            gotException = true;
64        }
65        assertTrue(gotException);
66
67        // Assert that we can set the container to null.
68        controller.setContainer(null);
69        assertNull(controller.mContainer);
70    }
71
72    @Test
73    public void testRemoveContainer() throws Exception {
74        final WindowContainerController controller = new WindowContainerController(null, sWm);
75        final WindowContainer container = new WindowContainer();
76
77        controller.setContainer(container);
78        assertEquals(controller.mContainer, container);
79
80        controller.removeContainer();
81        assertNull(controller.mContainer);
82    }
83}
84