1 /*
2  * Copyright (C) 2019 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.notification;
18 
19 import static com.google.common.truth.Truth.assertThat;
20 
21 import android.content.Context;
22 
23 import org.junit.Before;
24 import org.junit.Test;
25 import org.junit.runner.RunWith;
26 import org.robolectric.RobolectricTestRunner;
27 import org.robolectric.RuntimeEnvironment;
28 
29 @RunWith(RobolectricTestRunner.class)
30 public class AudioHelperTest {
31 
32     private static final int START = -10;
33     private static final int END = 10;
34     private static final int DEFAULT = -100;
35 
36     private Context mContext;
37     private AudioHelper mAudioHelper;
38 
39     @Before
setUp()40     public void setUp() {
41         mContext = RuntimeEnvironment.application;
42         mAudioHelper = new AudioHelper(mContext);
43     }
44 
45     @Test
getMaxVolume_anyStreamType_getValue()46     public void getMaxVolume_anyStreamType_getValue() {
47         int volume = DEFAULT;
48 
49         for (int i = START; i < END; i++) {
50             volume = mAudioHelper.getMaxVolume(i);
51             assertThat(volume).isNotEqualTo(DEFAULT);
52         }
53     }
54 
55     @Test
getMinVolume_anyStreamType_getValue()56     public void getMinVolume_anyStreamType_getValue() {
57         int volume = DEFAULT;
58 
59         for (int i = START; i < END; i++) {
60             volume = mAudioHelper.getMinVolume(i);
61             assertThat(volume).isNotEqualTo(DEFAULT);
62         }
63     }
64 }
65