Fabian Kozynski | 86fb5b4 | 2018-08-17 14:53:21 -0400 | [diff] [blame] | 1 | package com.android.systemui.statusbar.policy; |
| 2 | |
| 3 | |
Brett Chabot | 84151d9 | 2019-02-27 15:37:59 -0800 | [diff] [blame] | 4 | import static org.junit.Assert.fail; |
Fabian Kozynski | 86fb5b4 | 2018-08-17 14:53:21 -0400 | [diff] [blame] | 5 | import static org.mockito.Mockito.mock; |
| 6 | import static org.mockito.Mockito.never; |
| 7 | import static org.mockito.Mockito.times; |
| 8 | import static org.mockito.Mockito.verify; |
| 9 | import static org.mockito.Mockito.when; |
| 10 | |
Fabian Kozynski | 86fb5b4 | 2018-08-17 14:53:21 -0400 | [diff] [blame] | 11 | import android.media.MediaRouter; |
| 12 | import android.media.projection.MediaProjectionInfo; |
| 13 | import android.media.projection.MediaProjectionManager; |
Fabian Kozynski | 86fb5b4 | 2018-08-17 14:53:21 -0400 | [diff] [blame] | 14 | import android.testing.AndroidTestingRunner; |
| 15 | import android.testing.TestableLooper; |
| 16 | |
Brett Chabot | 84151d9 | 2019-02-27 15:37:59 -0800 | [diff] [blame] | 17 | import androidx.test.filters.SmallTest; |
| 18 | |
Fabian Kozynski | 86fb5b4 | 2018-08-17 14:53:21 -0400 | [diff] [blame] | 19 | import com.android.systemui.SysuiTestCase; |
| 20 | import com.android.systemui.statusbar.policy.CastController.Callback; |
| 21 | |
| 22 | import org.junit.Before; |
Brett Chabot | 84151d9 | 2019-02-27 15:37:59 -0800 | [diff] [blame] | 23 | import org.junit.Test; |
Fabian Kozynski | 86fb5b4 | 2018-08-17 14:53:21 -0400 | [diff] [blame] | 24 | import org.junit.runner.RunWith; |
| 25 | import org.mockito.Mock; |
| 26 | import org.mockito.MockitoAnnotations; |
Fabian Kozynski | 86fb5b4 | 2018-08-17 14:53:21 -0400 | [diff] [blame] | 27 | |
Fabian Kozynski | aacde14 | 2018-08-20 17:54:24 -0400 | [diff] [blame] | 28 | import java.util.ConcurrentModificationException; |
| 29 | import java.util.concurrent.CountDownLatch; |
| 30 | import java.util.concurrent.TimeUnit; |
| 31 | import java.util.concurrent.atomic.AtomicBoolean; |
| 32 | |
Fabian Kozynski | 86fb5b4 | 2018-08-17 14:53:21 -0400 | [diff] [blame] | 33 | @SmallTest |
| 34 | @RunWith(AndroidTestingRunner.class) |
| 35 | @TestableLooper.RunWithLooper |
| 36 | public class CastControllerImplTest extends SysuiTestCase { |
| 37 | |
| 38 | @Mock |
| 39 | MediaRouter mMediaRouter; |
| 40 | @Mock |
| 41 | MediaProjectionManager mMediaProjectionManager; |
| 42 | @Mock |
| 43 | MediaProjectionInfo mProjection; |
| 44 | |
| 45 | private CastControllerImpl mController; |
| 46 | |
| 47 | @Before |
| 48 | public void setUp() { |
| 49 | MockitoAnnotations.initMocks(this); |
| 50 | mContext.addMockSystemService(MediaRouter.class, mMediaRouter); |
| 51 | mContext.addMockSystemService(MediaProjectionManager.class, mMediaProjectionManager); |
| 52 | when(mMediaProjectionManager.getActiveProjectionInfo()).thenReturn(mProjection); |
| 53 | |
| 54 | mController = new CastControllerImpl(mContext); |
| 55 | } |
| 56 | |
| 57 | @Test |
Fabian Kozynski | aacde14 | 2018-08-20 17:54:24 -0400 | [diff] [blame] | 58 | public void testAddCallback() { |
Fabian Kozynski | 86fb5b4 | 2018-08-17 14:53:21 -0400 | [diff] [blame] | 59 | Callback mockCallback = mock(Callback.class); |
| 60 | |
| 61 | mController.addCallback(mockCallback); |
Fabian Kozynski | aacde14 | 2018-08-20 17:54:24 -0400 | [diff] [blame] | 62 | verify(mockCallback, times(1)).onCastDevicesChanged(); |
Fabian Kozynski | 86fb5b4 | 2018-08-17 14:53:21 -0400 | [diff] [blame] | 63 | } |
| 64 | |
| 65 | @Test |
Fabian Kozynski | aacde14 | 2018-08-20 17:54:24 -0400 | [diff] [blame] | 66 | public void testRemoveCallback() { |
Fabian Kozynski | 86fb5b4 | 2018-08-17 14:53:21 -0400 | [diff] [blame] | 67 | Callback mockCallback = mock(Callback.class); |
| 68 | |
| 69 | mController.addCallback(mockCallback); |
| 70 | verify(mockCallback, times(1)).onCastDevicesChanged(); |
| 71 | |
| 72 | mController.removeCallback(mockCallback); |
| 73 | verify(mockCallback, times(1)).onCastDevicesChanged(); |
| 74 | } |
| 75 | |
| 76 | @Test |
Fabian Kozynski | aacde14 | 2018-08-20 17:54:24 -0400 | [diff] [blame] | 77 | public void testRemoveCallbackFromEmptyList() { |
Fabian Kozynski | 86fb5b4 | 2018-08-17 14:53:21 -0400 | [diff] [blame] | 78 | Callback mockCallback = mock(Callback.class); |
| 79 | |
| 80 | mController.removeCallback(mockCallback); |
| 81 | verify(mockCallback, never()).onCastDevicesChanged(); |
| 82 | } |
Fabian Kozynski | aacde14 | 2018-08-20 17:54:24 -0400 | [diff] [blame] | 83 | |
| 84 | @Test |
| 85 | public void testAddCallbackRemoveCallback_concurrently() throws InterruptedException { |
| 86 | int callbackCount = 20; |
| 87 | int numThreads = 2 * callbackCount; |
| 88 | CountDownLatch startThreadsLatch = new CountDownLatch(1); |
| 89 | CountDownLatch threadsDone = new CountDownLatch(numThreads); |
| 90 | Callback[] callbackList = new Callback[callbackCount]; |
| 91 | mController.setDiscovering(true); |
| 92 | AtomicBoolean error = new AtomicBoolean(false); |
| 93 | for (int cbIndex = 0; cbIndex < callbackCount; cbIndex++) { |
| 94 | callbackList[cbIndex] = mock(Callback.class); |
| 95 | } |
| 96 | for (int i = 0; i < numThreads; i++) { |
| 97 | final Callback mCallback = callbackList[i / 2]; |
| 98 | final boolean shouldAdd = (i % 2 == 0); |
| 99 | new Thread() { |
| 100 | public void run() { |
| 101 | try { |
| 102 | startThreadsLatch.await(10, TimeUnit.SECONDS); |
| 103 | } catch (InterruptedException e) { |
| 104 | throw new RuntimeException(e); |
| 105 | } |
| 106 | try { |
| 107 | if (shouldAdd) { |
| 108 | mController.addCallback(mCallback); |
| 109 | } else { |
| 110 | mController.removeCallback(mCallback); |
| 111 | } |
| 112 | mController.fireOnCastDevicesChanged(); |
| 113 | } catch (ConcurrentModificationException exc) { |
| 114 | error.compareAndSet(false, true); |
| 115 | } finally { |
| 116 | threadsDone.countDown(); |
| 117 | } |
| 118 | } |
| 119 | }.start(); |
| 120 | } |
| 121 | startThreadsLatch.countDown(); |
| 122 | threadsDone.await(10, TimeUnit.SECONDS); |
| 123 | if (error.get()) { |
| 124 | fail("Concurrent modification exception"); |
| 125 | } |
| 126 | } |
Fabian Kozynski | 86fb5b4 | 2018-08-17 14:53:21 -0400 | [diff] [blame] | 127 | } |