WebViewCompatTest.java revision f9916c36b6536b496976413527bb71f3554282ab 
1/*
2 * Copyright 2018 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 androidx.webkit;
18
19import static org.junit.Assert.assertEquals;
20import static org.junit.Assert.assertTrue;
21import static org.junit.Assert.fail;
22
23import android.support.test.filters.MediumTest;
24import android.support.test.runner.AndroidJUnit4;
25import android.support.v4.os.BuildCompat;
26
27import org.junit.Before;
28import org.junit.Test;
29import org.junit.runner.RunWith;
30
31import java.util.concurrent.CountDownLatch;
32import java.util.concurrent.TimeUnit;
33
34@RunWith(AndroidJUnit4.class)
35public class WebViewCompatTest {
36    WebViewOnUiThread mWebViewOnUiThread;
37
38    private static final long TEST_TIMEOUT = 20000L;
39
40    @Before
41    public void setUp() {
42        mWebViewOnUiThread = new androidx.webkit.WebViewOnUiThread();
43    }
44
45    @MediumTest
46    @Test
47    public void testVisualStateCallbackCalled() throws Exception {
48        // TODO(gsennton) activate this test for pre-P devices when we can pre-install a WebView APK
49        // containing support for the WebView Support Library, see b/73454652.
50        if (!BuildCompat.isAtLeastP()) return;
51
52        final CountDownLatch callbackLatch = new CountDownLatch(1);
53        final long kRequest = 100;
54
55        mWebViewOnUiThread.loadUrl("about:blank");
56
57        mWebViewOnUiThread.postVisualStateCallbackCompat(kRequest,
58                new WebViewCompat.VisualStateCallback() {
59                        public void onComplete(long requestId) {
60                            assertEquals(kRequest, requestId);
61                            callbackLatch.countDown();
62                        }
63                });
64
65        assertTrue(callbackLatch.await(TEST_TIMEOUT, TimeUnit.MILLISECONDS));
66    }
67
68    @MediumTest
69    @Test
70    public void testCheckThread() {
71        try {
72            WebViewCompat.postVisualStateCallback(mWebViewOnUiThread.getWebViewOnCurrentThread(), 5,
73                    new WebViewCompat.VisualStateCallback() {
74                        @Override
75                        public void onComplete(long requestId) {
76                        }
77                    });
78        } catch (RuntimeException e) {
79            return;
80        }
81        fail("Calling a WebViewCompat method on the wrong thread must cause a run-time exception");
82    }
83}
84