| /* |
| * Copyright (C) 2022 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package com.android.server.display; |
| |
| |
| import static org.junit.Assert.assertArrayEquals; |
| import static org.junit.Assert.assertEquals; |
| import static org.mockito.Mockito.when; |
| |
| import android.content.Context; |
| import android.content.res.Resources; |
| import android.platform.test.annotations.Presubmit; |
| |
| import androidx.test.filters.SmallTest; |
| import androidx.test.runner.AndroidJUnit4; |
| |
| |
| import org.junit.Before; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.mockito.Mock; |
| import org.mockito.MockitoAnnotations; |
| |
| import java.io.IOException; |
| import java.nio.charset.StandardCharsets; |
| import java.nio.file.Files; |
| import java.nio.file.Path; |
| |
| @SmallTest |
| @Presubmit |
| @RunWith(AndroidJUnit4.class) |
| public final class DisplayDeviceConfigTest { |
| private DisplayDeviceConfig mDisplayDeviceConfig; |
| @Mock |
| private Context mContext; |
| |
| @Mock |
| private Resources mResources; |
| |
| @Before |
| public void setUp() throws IOException { |
| MockitoAnnotations.initMocks(this); |
| when(mContext.getResources()).thenReturn(mResources); |
| mockDeviceConfigs(); |
| try { |
| Path tempFile = Files.createTempFile("display_config", ".tmp"); |
| Files.write(tempFile, getContent().getBytes(StandardCharsets.UTF_8)); |
| mDisplayDeviceConfig = new DisplayDeviceConfig(mContext); |
| mDisplayDeviceConfig.initFromFile(tempFile.toFile()); |
| } catch (IOException e) { |
| throw new IOException("Failed to setup the display device config.", e); |
| } |
| } |
| |
| @Test |
| public void testConfigValues() { |
| assertEquals(mDisplayDeviceConfig.getAmbientHorizonLong(), 5000); |
| assertEquals(mDisplayDeviceConfig.getAmbientHorizonShort(), 50); |
| assertEquals(mDisplayDeviceConfig.getBrightnessRampDecreaseMaxMillis(), 3000); |
| assertEquals(mDisplayDeviceConfig.getBrightnessRampIncreaseMaxMillis(), 2000); |
| assertEquals(mDisplayDeviceConfig.getAmbientLuxBrighteningMinThreshold(), 10.0f, 0.0f); |
| assertEquals(mDisplayDeviceConfig.getAmbientLuxDarkeningMinThreshold(), 2.0f, 0.0f); |
| assertEquals(mDisplayDeviceConfig.getBrightnessRampFastDecrease(), 0.01f, 0.0f); |
| assertEquals(mDisplayDeviceConfig.getBrightnessRampFastIncrease(), 0.02f, 0.0f); |
| assertEquals(mDisplayDeviceConfig.getBrightnessRampSlowIncrease(), 0.04f, 0.0f); |
| assertEquals(mDisplayDeviceConfig.getBrightnessRampSlowDecrease(), 0.03f, 0.0f); |
| assertEquals(mDisplayDeviceConfig.getBrightnessDefault(), 0.5f, 0.0f); |
| assertArrayEquals(mDisplayDeviceConfig.getBrightness(), new float[]{0.0f, 0.62f, 1.0f}, |
| 0.0f); |
| assertArrayEquals(mDisplayDeviceConfig.getNits(), new float[]{2.0f, 500.0f, 800.0f}, 0.0f); |
| assertArrayEquals(mDisplayDeviceConfig.getBacklight(), new float[]{0.0f, 0.62f, 1.0f}, |
| 0.0f); |
| assertEquals(mDisplayDeviceConfig.getScreenBrighteningMinThreshold(), 0.001, 0.000001f); |
| assertEquals(mDisplayDeviceConfig.getScreenDarkeningMinThreshold(), 0.002, 0.000001f); |
| assertEquals(mDisplayDeviceConfig.getAutoBrightnessBrighteningLightDebounce(), 2000); |
| assertEquals(mDisplayDeviceConfig.getAutoBrightnessDarkeningLightDebounce(), 1000); |
| |
| // Todo(brup): Add asserts for BrightnessThrottlingData, DensityMapping, |
| // HighBrightnessModeData AmbientLightSensor, RefreshRateLimitations and ProximitySensor. |
| // Also add test for the case where optional display configs are null |
| } |
| |
| private String getContent() { |
| return "<?xml version='1.0' encoding='utf-8' standalone='yes' ?>\n" |
| + "<displayConfiguration>\n" |
| + "<screenBrightnessMap>\n" |
| + "<point>\n" |
| + "<value>0.0</value>\n" |
| + "<nits>2.0</nits>\n" |
| + "</point>\n" |
| + "<point>\n" |
| + "<value>0.62</value>\n" |
| + "<nits>500.0</nits>\n" |
| + "</point>\n" |
| + "<point>\n" |
| + "<value>1.0</value>\n" |
| + "<nits>800.0</nits>\n" |
| + "</point>\n" |
| + "</screenBrightnessMap>\n" |
| + "<autoBrightness>\n" |
| + "<brighteningLightDebounceMillis>2000</brighteningLightDebounceMillis>\n" |
| + "<darkeningLightDebounceMillis>1000</darkeningLightDebounceMillis>\n" |
| + "</autoBrightness>\n" |
| + "<highBrightnessMode enabled=\"true\">\n" |
| + "<transitionPoint>0.62</transitionPoint>\n" |
| + "<minimumLux>10000</minimumLux>\n" |
| + "<timing>\n" |
| + "<!-- allow for 5 minutes out of every 30 minutes -->\n" |
| + "<timeWindowSecs>1800</timeWindowSecs>\n" |
| + "<timeMaxSecs>300</timeMaxSecs>\n" |
| + "<timeMinSecs>60</timeMinSecs>\n" |
| + "</timing>\n" |
| + "<refreshRate>\n" |
| + "<minimum>120</minimum>\n" |
| + "<maximum>120</maximum>\n" |
| + "</refreshRate>\n" |
| + "<thermalStatusLimit>light</thermalStatusLimit>\n" |
| + "<allowInLowPowerMode>false</allowInLowPowerMode>\n" |
| + "</highBrightnessMode>\n" |
| + "<ambientBrightnessChangeThresholds>\n" |
| + "<brighteningThresholds>\n" |
| + "<minimum>10</minimum>\n" |
| + "</brighteningThresholds>\n" |
| + "<darkeningThresholds>\n" |
| + "<minimum>2</minimum>\n" |
| + "</darkeningThresholds>\n" |
| + "</ambientBrightnessChangeThresholds>\n" |
| + "<screenBrightnessRampFastDecrease>0.01</screenBrightnessRampFastDecrease> " |
| + "<screenBrightnessRampFastIncrease>0.02</screenBrightnessRampFastIncrease> " |
| + "<screenBrightnessRampSlowDecrease>0.03</screenBrightnessRampSlowDecrease>" |
| + "<screenBrightnessRampSlowIncrease>0.04</screenBrightnessRampSlowIncrease>" |
| + "<screenBrightnessRampIncreaseMaxMillis>" |
| + "2000" |
| + "</screenBrightnessRampIncreaseMaxMillis>" |
| + "<screenBrightnessRampDecreaseMaxMillis>" |
| + "3000" |
| + "</screenBrightnessRampDecreaseMaxMillis>" |
| + "<ambientLightHorizonLong>5000</ambientLightHorizonLong>\n" |
| + "<ambientLightHorizonShort>50</ambientLightHorizonShort>\n" |
| + "<displayBrightnessChangeThresholds>" |
| + "<brighteningThresholds>" |
| + "<minimum>" |
| + "0.001" |
| + "</minimum>" |
| + "</brighteningThresholds>" |
| + "<darkeningThresholds>" |
| + "<minimum>" |
| + "0.002" |
| + "</minimum>" |
| + "</darkeningThresholds>" |
| + "</displayBrightnessChangeThresholds>" |
| + "<screenBrightnessRampIncreaseMaxMillis>" |
| + "2000" |
| + "</screenBrightnessRampIncreaseMaxMillis>\n" |
| + "<thermalThrottling>\n" |
| + "<brightnessThrottlingMap>\n" |
| + "<brightnessThrottlingPoint>\n" |
| + "<thermalStatus>emergency</thermalStatus>\n" |
| + "<!-- Throttling to 250 nits: (250-2.0)/(500-2.0)*(0.62-0.0)+0" |
| + ".0 = 0.30875502 -->\n" |
| + "<brightness>0.30875502</brightness>\n" |
| + "</brightnessThrottlingPoint>\n" |
| + "</brightnessThrottlingMap>\n" |
| + "</thermalThrottling>\n" |
| + "</displayConfiguration>\n"; |
| } |
| |
| private void mockDeviceConfigs() { |
| when(mResources.getFloat(com.android.internal.R.dimen |
| .config_screenBrightnessSettingDefaultFloat)).thenReturn(0.5f); |
| when(mResources.getFloat(com.android.internal.R.dimen |
| .config_screenBrightnessSettingMaximumFloat)).thenReturn(1.0f); |
| } |
| } |