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