1 /*
2  * Copyright (C) 2022 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 
17 package com.android.settings.accessibility;
18 
19 import static com.google.common.truth.Truth.assertThat;
20 
21 import android.graphics.Color;
22 import android.view.accessibility.CaptioningManager;
23 
24 import org.junit.Test;
25 import org.junit.runner.RunWith;
26 import org.robolectric.RobolectricTestRunner;
27 
28 /** Tests for {@link CaptionUtils}. */
29 @RunWith(RobolectricTestRunner.class)
30 public class CaptionUtilsTest {
31 
32     @Test
parseColor_defaultPackedColor_shouldReturnUnspecified()33     public void parseColor_defaultPackedColor_shouldReturnUnspecified() {
34         final int color = CaptionUtils.parseColor(0xFFFF00);
35 
36         assertThat(color).isEqualTo(CaptioningManager.CaptionStyle.COLOR_UNSPECIFIED);
37     }
38 
39     @Test
parseColor_unrecognizedColor_shouldReturnTransparent()40     public void parseColor_unrecognizedColor_shouldReturnTransparent() {
41         final int color = CaptionUtils.parseColor(0x00);
42 
43         assertThat(color).isEqualTo(Color.TRANSPARENT);
44     }
45 
46     @Test
parseColor_redColor_shouldReturnRed()47     public void parseColor_redColor_shouldReturnRed() {
48         final int color = CaptionUtils.parseColor(0xFFFF0000);
49 
50         assertThat(color).isEqualTo(Color.RED);
51     }
52 
53     @Test
parseOpacity_defaultPackedColor_shouldReturnUnspecified()54     public void parseOpacity_defaultPackedColor_shouldReturnUnspecified() {
55         final int color = CaptionUtils.parseOpacity(0xFFFF00);
56 
57         assertThat(color).isEqualTo(CaptioningManager.CaptionStyle.COLOR_UNSPECIFIED);
58     }
59 
60     @Test
parseOpacity_unrecognizedColor_shouldReturnTransparent()61     public void parseOpacity_unrecognizedColor_shouldReturnTransparent() {
62         final int color = CaptionUtils.parseOpacity(0x00);
63 
64         assertThat(color).isEqualTo(0xFFFFFF);
65     }
66 
67     @Test
parseOpacity_halfTransparentValue_shouldReturnHalfTransparent()68     public void parseOpacity_halfTransparentValue_shouldReturnHalfTransparent() {
69         final int color = CaptionUtils.parseOpacity(0x80FFFFFF);
70 
71         assertThat(color).isEqualTo(0x80FFFFFF);
72     }
73 
74     @Test
mergeColorOpacity_halfTransparentRedValue_shouldReturnMergeColorOpacityValue()75     public void mergeColorOpacity_halfTransparentRedValue_shouldReturnMergeColorOpacityValue() {
76         final int color = CaptionUtils.mergeColorOpacity(0xFFFF0000, 0x80FFFFFF);
77 
78         assertThat(color).isEqualTo(0x80FF0000);
79     }
80 }
81