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 android.uirendering.cts.testclasses;
18
19import static org.mockito.Matchers.any;
20import static org.mockito.Mockito.mock;
21import static org.mockito.Mockito.times;
22import static org.mockito.Mockito.verify;
23import static org.mockito.Mockito.when;
24
25import android.graphics.Canvas;
26import android.graphics.Color;
27import android.graphics.SurfaceTexture;
28import android.support.annotation.ColorInt;
29import android.support.test.filters.MediumTest;
30import android.support.test.runner.AndroidJUnit4;
31import android.uirendering.cts.R;
32import android.uirendering.cts.bitmapverifiers.ColorVerifier;
33import android.uirendering.cts.testinfrastructure.ActivityTestBase;
34import android.uirendering.cts.testinfrastructure.ViewInitializer;
35import android.uirendering.cts.util.DrawCountDown;
36import android.view.Surface;
37import android.view.TextureView;
38import android.view.TextureView.SurfaceTextureListener;
39import android.view.ViewGroup;
40
41import org.junit.After;
42import org.junit.AfterClass;
43import org.junit.Assert;
44import org.junit.BeforeClass;
45import org.junit.Test;
46import org.junit.runner.RunWith;
47
48import java.util.concurrent.CountDownLatch;
49
50@MediumTest
51@RunWith(AndroidJUnit4.class)
52public class TextureViewTests extends ActivityTestBase {
53
54    private static SurfaceTexture sRedTexture;
55
56    @BeforeClass
57    public static void setupClass() {
58        sRedTexture = createSurfaceTexture(true, Color.RED);
59    }
60
61    @AfterClass
62    public static void teardownClass() {
63        sRedTexture.release();
64        sRedTexture = null;
65    }
66
67    @After
68    public void tearDown() {
69        // TODO: Workaround for b/34231066
70        DrawCountDown.cancelPending();
71    }
72
73    @Test
74    public void testConstructDetachedSingleBuffered() {
75        testConstructDetached(true);
76    }
77    @Test
78    public void testConstructDetachedMultiBuffered() {
79        testConstructDetached(false);
80    }
81
82    private void testConstructDetached(boolean singleBuffered) {
83        final SurfaceTexture texture = createSurfaceTexture(singleBuffered, Color.RED);
84        createTest()
85                .addLayout(R.layout.textureview, (ViewInitializer) view -> {
86                    TextureView textureview = (TextureView) view;
87                    textureview.setSurfaceTexture(texture);
88                }, true)
89                .runWithVerifier(new ColorVerifier(Color.RED));
90        Assert.assertTrue(texture.isReleased());
91    }
92
93    private static SurfaceTexture createSurfaceTexture(boolean singleBuffered,
94            @ColorInt int fillColor) {
95        SurfaceTexture texture = new SurfaceTexture(singleBuffered);
96        texture.setDefaultBufferSize(TEST_WIDTH, TEST_HEIGHT);
97        Surface producer = new Surface(texture);
98        Canvas canvas = producer.lockCanvas(null);
99        canvas.drawColor(fillColor);
100        producer.unlockCanvasAndPost(canvas);
101        return texture;
102    }
103
104    @Test
105    public void testReuseSurfaceTexture() {
106        final CountDownLatch fence = new CountDownLatch(1);
107        SurfaceTextureListener stlistener = mock(SurfaceTextureListener.class);
108        when(stlistener.onSurfaceTextureDestroyed(any(SurfaceTexture.class)))
109                .thenReturn(false);
110        createTest()
111                .addLayout(R.layout.textureview, (ViewInitializer) view -> {
112                    final TextureView textureview = (TextureView) view;
113                    final ViewGroup parent = (ViewGroup) textureview.getParent();
114                    textureview.setSurfaceTextureListener(stlistener);
115                    textureview.setSurfaceTexture(sRedTexture);
116                    DrawCountDown.countDownDraws(parent, 1, () -> {
117                        parent.removeView(textureview);
118                    });
119                    DrawCountDown.countDownDraws(parent, 2, () -> {
120                        parent.addView(textureview);
121                        textureview.setSurfaceTexture(sRedTexture);
122                        textureview.post(fence::countDown);
123                    });
124                }, true, fence)
125                .runWithVerifier(new ColorVerifier(Color.RED));
126        verify(stlistener, times(2)).onSurfaceTextureDestroyed(any(SurfaceTexture.class));
127    }
128
129    @Test
130    public void testLockCanvas() {
131        final CountDownLatch fence = new CountDownLatch(1);
132        createTest()
133                .addLayout(R.layout.textureview, (ViewInitializer) view -> {
134                    final TextureView textureview = (TextureView) view;
135                    textureview.setSurfaceTextureListener(new SurfaceTextureListener() {
136                        @Override
137                        public void onSurfaceTextureUpdated(SurfaceTexture surface) {
138                            textureview.post(fence::countDown);
139                        }
140                        @Override
141                        public void onSurfaceTextureSizeChanged(SurfaceTexture surface,
142                                int width, int height) {}
143                        @Override
144                        public void onSurfaceTextureAvailable(SurfaceTexture surface,
145                                int width, int height) {
146                            Canvas canvas = textureview.lockCanvas();
147                            canvas.drawColor(Color.BLUE);
148                            textureview.unlockCanvasAndPost(canvas);
149                        }
150                        @Override
151                        public boolean onSurfaceTextureDestroyed(SurfaceTexture surface) {
152                            return true;
153                        }
154                    });
155                }, true, fence)
156                .runWithVerifier(new ColorVerifier(Color.BLUE));
157    }
158}
159