1/*
2 * Copyright (C) 2017 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.app;
18
19import static com.android.internal.util.NotificationColorUtil.satisfiesTextContrast;
20
21import static org.junit.Assert.assertTrue;
22
23import android.content.Context;
24import android.media.session.MediaSession;
25import android.support.test.InstrumentationRegistry;
26import android.support.test.filters.SmallTest;
27import android.support.test.runner.AndroidJUnit4;
28
29import com.android.internal.util.NotificationColorUtil;
30
31import org.junit.Before;
32import org.junit.Test;
33import org.junit.runner.RunWith;
34
35@RunWith(AndroidJUnit4.class)
36@SmallTest
37public class NotificationTest {
38
39    private Context mContext;
40
41    @Before
42    public void setUp() {
43        mContext = InstrumentationRegistry.getContext();
44    }
45
46    @Test
47    public void testColorSatisfiedWhenBgDarkTextDarker() {
48        Notification.Builder builder = getMediaNotification();
49        builder.build();
50
51        // An initial guess where the foreground color is actually darker than an already dark bg
52        int backgroundColor = 0xff585868;
53        int initialForegroundColor = 0xff505868;
54        builder.setColorPalette(backgroundColor, initialForegroundColor);
55        int primaryTextColor = builder.getPrimaryTextColor();
56        assertTrue(satisfiesTextContrast(primaryTextColor, backgroundColor));
57        int secondaryTextColor = builder.getSecondaryTextColor();
58        assertTrue(satisfiesTextContrast(secondaryTextColor, backgroundColor));
59    }
60
61    private Notification.Builder getMediaNotification() {
62        MediaSession session = new MediaSession(mContext, "test");
63        return new Notification.Builder(mContext, "color")
64                .setSmallIcon(com.android.internal.R.drawable.emergency_icon)
65                .setContentTitle("Title")
66                .setContentText("Text")
67                .setStyle(new Notification.MediaStyle().setMediaSession(session.getSessionToken()));
68    }
69}
70