1 /*
2  * Copyright (C) 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 
17 package com.android.settings.display;
18 
19 import static com.google.common.truth.Truth.assertThat;
20 
21 import static org.mockito.Mockito.doReturn;
22 import static org.mockito.Mockito.spy;
23 
24 import android.content.Context;
25 
26 import org.junit.Before;
27 import org.junit.Test;
28 import org.junit.runner.RunWith;
29 import org.robolectric.RobolectricTestRunner;
30 import org.robolectric.RuntimeEnvironment;
31 import org.robolectric.annotation.Config;
32 
33 @RunWith(RobolectricTestRunner.class)
34 public class ScreenZoomSettingsTest {
35 
36     private ScreenZoomSettings mSettings;
37     private Context mContext;
38 
39     @Before
setUp()40     public void setUp() {
41         mContext = RuntimeEnvironment.application;
42         mSettings = spy(new ScreenZoomSettings());
43         doReturn(mContext).when(mSettings).getContext();
44     }
45 
46     @Test
getPreviewSampleResIds_default_return3Previews()47     public void getPreviewSampleResIds_default_return3Previews() {
48         assertThat(mSettings.getPreviewSampleResIds()).hasLength(3);
49     }
50 
51     @Test
52     @Config(qualifiers = "mcc999")
getPreviewSampleResIds_extraPreviewDisabled_return1Preview()53     public void getPreviewSampleResIds_extraPreviewDisabled_return1Preview() {
54         assertThat(mSettings.getPreviewSampleResIds()).hasLength(1);
55     }
56 }
57