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 17 package com.android.car.settings.display; 18 19 import android.content.Context; 20 import android.provider.Settings; 21 22 import com.android.car.settings.CarSettingsRobolectricTestRunner; 23 import com.android.car.settings.TestConfig; 24 25 import org.junit.Before; 26 import org.junit.Test; 27 import org.junit.runner.RunWith; 28 import org.robolectric.RuntimeEnvironment; 29 import org.robolectric.annotation.Config; 30 import org.robolectric.Robolectric; 31 32 import static com.google.common.truth.Truth.assertThat; 33 import static android.provider.Settings.System.SCREEN_BRIGHTNESS; 34 35 @RunWith(CarSettingsRobolectricTestRunner.class) 36 @Config(manifest = TestConfig.MANIFEST_PATH, sdk = TestConfig.SDK_VERSION) 37 public class BrightnessLineItemTest { 38 private Context mContext; 39 40 private BrightnessLineItem mBrightnessLineItem; 41 42 @Before 43 public void setUp() { 44 mContext = RuntimeEnvironment.application; 45 mBrightnessLineItem = new BrightnessLineItem(mContext); 46 } 47 48 @Test 49 public void testInitialValue() throws Exception { 50 // for some reason in robolectric test, I can't set this value over 100 51 for (int brightness = 0; brightness < 100; ++brightness) { 52 Settings.System.putInt(mContext.getContentResolver(), SCREEN_BRIGHTNESS, brightness); 53 assertThat(mBrightnessLineItem.getSeekbarValue()).isEqualTo(brightness); 54 } 55 } 56 57 @Test 58 public void testOnSeekbarChanged() throws Exception { 59 for (int brightness = 0; brightness < 255; ++brightness) { 60 mBrightnessLineItem.onSeekbarChanged(brightness); 61 assertThat(Settings.System.getInt(mContext.getContentResolver(), 62 SCREEN_BRIGHTNESS)).isEqualTo(brightness); 63 } 64 } 65 } 66
