IncompatibilityTest.java revision 055157a7821fe8a24e14e619b1036bb2d6d4e2a8 
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.assertFalse;
21
22import android.support.test.filters.MediumTest;
23import android.support.test.filters.SdkSuppress;
24import android.support.test.runner.AndroidJUnit4;
25
26import androidx.webkit.internal.WebViewFeatureInternal;
27
28import org.junit.Test;
29import org.junit.runner.RunWith;
30
31/**
32 * Tests ensuring that Android versions/setups that are incompatible with the WebView Support
33 * Library are handled gracefully.
34 *
35 * Only L+ Android versions are compatible with the WebView Support Library, so any tests in this
36 * class that guarantee certain behaviour for incompatible Android versions will only be run on
37 * pre-L devices.
38 */
39@MediumTest
40@RunWith(AndroidJUnit4.class)
41public class IncompatibilityTest {
42    @Test
43    @SdkSuppress(maxSdkVersion = 20)
44    public void testPreLDeviceHasNoWebViewFeatures() {
45        assertEquals(0, WebViewFeatureInternal.getWebViewApkFeaturesForTesting().length);
46    }
47
48    @Test
49    @SdkSuppress(maxSdkVersion = 20)
50    public void testPreLDeviceDoesNotSupportVisualStateCallback() {
51        assertFalse(WebViewFeature.isFeatureSupported(WebViewFeature.VISUAL_STATE_CALLBACK));
52    }
53}
54