| /* |
| * Copyright 2017 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.junit.Assert.assertFalse; |
| import static org.junit.Assert.assertNotNull; |
| import static org.junit.Assert.assertNull; |
| import static org.junit.Assert.assertTrue; |
| |
| import android.app.ActivityManager; |
| import android.content.BroadcastReceiver; |
| import android.content.ComponentName; |
| import android.content.ContentResolver; |
| import android.content.Context; |
| import android.content.Intent; |
| import android.content.IntentFilter; |
| import android.database.ContentObserver; |
| import android.hardware.SensorEvent; |
| import android.hardware.SensorEventListener; |
| import android.hardware.display.BrightnessChangeEvent; |
| import android.os.BatteryManager; |
| import android.os.Handler; |
| import android.os.HandlerThread; |
| import android.os.MessageQueue; |
| import android.os.Parcel; |
| import android.os.RemoteException; |
| import android.os.SystemClock; |
| import android.os.UserManager; |
| import android.provider.Settings; |
| import android.support.test.InstrumentationRegistry; |
| import android.support.test.filters.SmallTest; |
| import android.support.test.runner.AndroidJUnit4; |
| import android.util.AtomicFile; |
| |
| import org.junit.Before; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| |
| import java.io.ByteArrayInputStream; |
| import java.io.ByteArrayOutputStream; |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.lang.reflect.Constructor; |
| import java.nio.charset.StandardCharsets; |
| import java.util.HashMap; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.concurrent.TimeUnit; |
| |
| @SmallTest |
| @RunWith(AndroidJUnit4.class) |
| public class BrightnessTrackerTest { |
| |
| private BrightnessTracker mTracker; |
| private TestInjector mInjector; |
| |
| private static Object sHandlerLock = new Object(); |
| private static Handler sHandler; |
| private static HandlerThread sThread = |
| new HandlerThread("brightness.test", android.os.Process.THREAD_PRIORITY_BACKGROUND); |
| |
| private static Handler ensureHandler() { |
| synchronized (sHandlerLock) { |
| if (sHandler == null) { |
| sThread.start(); |
| sHandler = new Handler(sThread.getLooper()); |
| } |
| return sHandler; |
| } |
| } |
| |
| |
| @Before |
| public void setUp() throws Exception { |
| mInjector = new TestInjector(ensureHandler()); |
| |
| mTracker = new BrightnessTracker(InstrumentationRegistry.getContext(), mInjector); |
| } |
| |
| @Test |
| public void testStartStopTrackerScreenOnOff() { |
| mInjector.mInteractive = false; |
| startTracker(mTracker); |
| assertNull(mInjector.mSensorListener); |
| assertNotNull(mInjector.mSettingsObserver); |
| assertNotNull(mInjector.mBroadcastReceiver); |
| assertTrue(mInjector.mIdleScheduled); |
| Intent onIntent = new Intent(); |
| onIntent.setAction(Intent.ACTION_SCREEN_ON); |
| mInjector.mBroadcastReceiver.onReceive(InstrumentationRegistry.getContext(), |
| onIntent); |
| assertNotNull(mInjector.mSensorListener); |
| |
| Intent offIntent = new Intent(); |
| offIntent.setAction(Intent.ACTION_SCREEN_OFF); |
| mInjector.mBroadcastReceiver.onReceive(InstrumentationRegistry.getContext(), |
| offIntent); |
| assertNull(mInjector.mSensorListener); |
| |
| mInjector.mBroadcastReceiver.onReceive(InstrumentationRegistry.getContext(), |
| onIntent); |
| assertNotNull(mInjector.mSensorListener); |
| |
| mTracker.stop(); |
| assertNull(mInjector.mSensorListener); |
| assertNull(mInjector.mSettingsObserver); |
| assertNull(mInjector.mBroadcastReceiver); |
| assertFalse(mInjector.mIdleScheduled); |
| } |
| |
| @Test |
| public void testBrightnessEvent() { |
| final int brightness = 20; |
| |
| mInjector.mSystemIntSettings.put(Settings.System.SCREEN_BRIGHTNESS, brightness); |
| startTracker(mTracker); |
| mInjector.mSensorListener.onSensorChanged(createSensorEvent(1.0f)); |
| mInjector.incrementTime(TimeUnit.SECONDS.toMillis(2)); |
| mInjector.mSettingsObserver.onChange(false, Settings.System.getUriFor( |
| Settings.System.SCREEN_BRIGHTNESS)); |
| List<BrightnessChangeEvent> events = mTracker.getEvents(0, true).getList(); |
| mTracker.stop(); |
| |
| assertEquals(1, events.size()); |
| BrightnessChangeEvent event = events.get(0); |
| assertEquals(mInjector.currentTimeMillis(), event.timeStamp); |
| assertEquals(1, event.luxValues.length); |
| assertEquals(1.0f, event.luxValues[0], 0.1f); |
| assertEquals(mInjector.currentTimeMillis() - TimeUnit.SECONDS.toMillis(2), |
| event.luxTimestamps[0]); |
| assertEquals(brightness, event.brightness); |
| |
| // System had no data so these should all be at defaults. |
| assertEquals(Float.NaN, event.batteryLevel, 0.0); |
| assertFalse(event.nightMode); |
| assertEquals(0, event.colorTemperature); |
| } |
| |
| @Test |
| public void testBrightnessFullPopulatedEvent() { |
| final int lastBrightness = 230; |
| final int brightness = 130; |
| |
| mInjector.mSystemIntSettings.put(Settings.System.SCREEN_BRIGHTNESS, lastBrightness); |
| mInjector.mSecureIntSettings.put(Settings.Secure.NIGHT_DISPLAY_ACTIVATED, 1); |
| mInjector.mSecureIntSettings.put(Settings.Secure.NIGHT_DISPLAY_COLOR_TEMPERATURE, 3333); |
| |
| startTracker(mTracker); |
| mInjector.mSystemIntSettings.put(Settings.System.SCREEN_BRIGHTNESS, brightness); |
| mInjector.mBroadcastReceiver.onReceive(InstrumentationRegistry.getContext(), |
| batteryChangeEvent(30, 60)); |
| mInjector.mSensorListener.onSensorChanged(createSensorEvent(1000.0f)); |
| final long sensorTime = mInjector.currentTimeMillis(); |
| mInjector.mSettingsObserver.onChange(false, Settings.System.getUriFor( |
| Settings.System.SCREEN_BRIGHTNESS)); |
| List<BrightnessChangeEvent> eventsNoPackage |
| = mTracker.getEvents(0, false).getList(); |
| List<BrightnessChangeEvent> events = mTracker.getEvents(0, true).getList(); |
| mTracker.stop(); |
| |
| assertEquals(1, events.size()); |
| BrightnessChangeEvent event = events.get(0); |
| assertEquals(event.timeStamp, mInjector.currentTimeMillis()); |
| assertArrayEquals(new float[] {1000.0f}, event.luxValues, 0.01f); |
| assertArrayEquals(new long[] {sensorTime}, event.luxTimestamps); |
| assertEquals(brightness, event.brightness); |
| assertEquals(lastBrightness, event.lastBrightness); |
| assertEquals(0.5, event.batteryLevel, 0.01); |
| assertTrue(event.nightMode); |
| assertEquals(3333, event.colorTemperature); |
| assertEquals("a.package", event.packageName); |
| assertEquals(0, event.userId); |
| |
| assertEquals(1, eventsNoPackage.size()); |
| assertNull(eventsNoPackage.get(0).packageName); |
| } |
| |
| @Test |
| public void testIgnoreSelfChange() { |
| final int initialBrightness = 30; |
| mInjector.mSystemIntSettings.put(Settings.System.SCREEN_BRIGHTNESS, initialBrightness); |
| startTracker(mTracker); |
| mInjector.mSensorListener.onSensorChanged(createSensorEvent(1.0f)); |
| mInjector.incrementTime(TimeUnit.SECONDS.toMillis(1)); |
| |
| final int systemUpdatedBrightness = 20; |
| mTracker.setBrightness(systemUpdatedBrightness, 0); |
| assertEquals(systemUpdatedBrightness, |
| (int) mInjector.mSystemIntSettings.get(Settings.System.SCREEN_BRIGHTNESS)); |
| mInjector.mSettingsObserver.onChange(false, Settings.System.getUriFor( |
| Settings.System.SCREEN_BRIGHTNESS)); |
| List<BrightnessChangeEvent> events = mTracker.getEvents(0, true).getList(); |
| // No events because we filtered out our change. |
| assertEquals(0, events.size()); |
| |
| final int firstUserUpdateBrightness = 20; |
| // Then change comes from somewhere else so we shouldn't filter. |
| mInjector.mSystemIntSettings.put(Settings.System.SCREEN_BRIGHTNESS, |
| firstUserUpdateBrightness); |
| mInjector.mSettingsObserver.onChange(false, Settings.System.getUriFor( |
| Settings.System.SCREEN_BRIGHTNESS)); |
| |
| // and with a different brightness value. |
| final int secondUserUpdateBrightness = 34; |
| mInjector.mSystemIntSettings.put(Settings.System.SCREEN_BRIGHTNESS, |
| secondUserUpdateBrightness); |
| mInjector.mSettingsObserver.onChange(false, Settings.System.getUriFor( |
| Settings.System.SCREEN_BRIGHTNESS)); |
| events = mTracker.getEvents(0, true).getList(); |
| |
| assertEquals(2, events.size()); |
| // First event is change from system update (20) to first user update (20) |
| assertEquals(systemUpdatedBrightness, events.get(0).lastBrightness); |
| assertEquals(firstUserUpdateBrightness, events.get(0).brightness); |
| // Second event is from first to second user update. |
| assertEquals(firstUserUpdateBrightness, events.get(1).lastBrightness); |
| assertEquals(secondUserUpdateBrightness, events.get(1).brightness); |
| |
| mTracker.stop(); |
| } |
| |
| @Test |
| public void testLimitedBufferSize() { |
| startTracker(mTracker); |
| mInjector.mSensorListener.onSensorChanged(createSensorEvent(1.0f)); |
| |
| for (int brightness = 0; brightness <= 255; ++brightness) { |
| mInjector.mSensorListener.onSensorChanged(createSensorEvent(1.0f)); |
| mInjector.incrementTime(TimeUnit.SECONDS.toNanos(1)); |
| mInjector.mSystemIntSettings.put(Settings.System.SCREEN_BRIGHTNESS, brightness); |
| mInjector.mSettingsObserver.onChange(false, Settings.System.getUriFor( |
| Settings.System.SCREEN_BRIGHTNESS)); |
| } |
| List<BrightnessChangeEvent> events = mTracker.getEvents(0, true).getList(); |
| mTracker.stop(); |
| |
| // Should be capped at 100 events, and they should be the most recent 100. |
| assertEquals(100, events.size()); |
| for (int i = 0; i < events.size(); i++) { |
| BrightnessChangeEvent event = events.get(i); |
| assertEquals(156 + i, event.brightness); |
| } |
| } |
| |
| @Test |
| public void testLimitedSensorEvents() { |
| final int brightness = 20; |
| mInjector.mSystemIntSettings.put(Settings.System.SCREEN_BRIGHTNESS, brightness); |
| |
| startTracker(mTracker); |
| // 20 Sensor events 1 second apart. |
| for (int i = 0; i < 20; ++i) { |
| mInjector.incrementTime(TimeUnit.SECONDS.toMillis(1)); |
| mInjector.mSensorListener.onSensorChanged(createSensorEvent(i + 1.0f)); |
| } |
| mInjector.mSettingsObserver.onChange(false, Settings.System.getUriFor( |
| Settings.System.SCREEN_BRIGHTNESS)); |
| List<BrightnessChangeEvent> events = mTracker.getEvents(0, true).getList(); |
| mTracker.stop(); |
| |
| assertEquals(1, events.size()); |
| BrightnessChangeEvent event = events.get(0); |
| assertEquals(mInjector.currentTimeMillis(), event.timeStamp); |
| |
| // 12 sensor events, 11 for 0->10 seconds + 1 previous event. |
| assertEquals(12, event.luxValues.length); |
| for (int i = 0; i < 12; ++i) { |
| assertEquals(event.luxTimestamps[11 - i], |
| mInjector.currentTimeMillis() - i * TimeUnit.SECONDS.toMillis(1)); |
| } |
| assertEquals(brightness, event.brightness); |
| } |
| |
| @Test |
| public void testReadEvents() throws Exception { |
| BrightnessTracker tracker = new BrightnessTracker(InstrumentationRegistry.getContext(), |
| mInjector); |
| mInjector.mCurrentTimeMillis = System.currentTimeMillis(); |
| long someTimeAgo = System.currentTimeMillis() - TimeUnit.HOURS.toMillis(12); |
| long twoMonthsAgo = System.currentTimeMillis() - TimeUnit.DAYS.toMillis(60); |
| // 3 Events in the file but one too old to read. |
| String eventFile = |
| "<?xml version='1.0' encoding='utf-8' standalone='yes' ?>\n" |
| + "<events>\n" |
| + "<event brightness=\"194\" timestamp=\"" |
| + Long.toString(someTimeAgo) + "\" packageName=\"" |
| + "com.example.app\" user=\"10\" " |
| + "lastBrightness=\"32\" " |
| + "batteryLevel=\"1.0\" nightMode=\"false\" colorTemperature=\"0\"\n" |
| + "lux=\"32.2,31.1\" luxTimestamps=\"" |
| + Long.toString(someTimeAgo) + "," + Long.toString(someTimeAgo) + "\"/>" |
| + "<event brightness=\"71\" timestamp=\"" |
| + Long.toString(someTimeAgo) + "\" packageName=\"" |
| + "com.android.anapp\" user=\"11\" " |
| + "lastBrightness=\"32\" " |
| + "batteryLevel=\"0.5\" nightMode=\"true\" colorTemperature=\"3235\"\n" |
| + "lux=\"132.2,131.1\" luxTimestamps=\"" |
| + Long.toString(someTimeAgo) + "," + Long.toString(someTimeAgo) + "\"/>" |
| // Event that is too old so shouldn't show up. |
| + "<event brightness=\"142\" timestamp=\"" |
| + Long.toString(twoMonthsAgo) + "\" packageName=\"" |
| + "com.example.app\" user=\"10\" " |
| + "lastBrightness=\"32\" " |
| + "batteryLevel=\"1.0\" nightMode=\"false\" colorTemperature=\"0\"\n" |
| + "lux=\"32.2,31.1\" luxTimestamps=\"" |
| + Long.toString(twoMonthsAgo) + "," + Long.toString(twoMonthsAgo) + "\"/>" |
| + "</events>"; |
| tracker.readEventsLocked(getInputStream(eventFile)); |
| List<BrightnessChangeEvent> events = tracker.getEvents(0, true).getList(); |
| assertEquals(1, events.size()); |
| BrightnessChangeEvent event = events.get(0); |
| assertEquals(someTimeAgo, event.timeStamp); |
| assertEquals(194, event.brightness); |
| assertArrayEquals(new float[] {32.2f, 31.1f}, event.luxValues, 0.01f); |
| assertArrayEquals(new long[] {someTimeAgo, someTimeAgo}, event.luxTimestamps); |
| assertEquals(32, event.lastBrightness); |
| assertEquals(0, event.userId); |
| assertFalse(event.nightMode); |
| assertEquals(1.0f, event.batteryLevel, 0.01); |
| assertEquals("com.example.app", event.packageName); |
| |
| events = tracker.getEvents(1, true).getList(); |
| assertEquals(1, events.size()); |
| event = events.get(0); |
| assertEquals(someTimeAgo, event.timeStamp); |
| assertEquals(71, event.brightness); |
| assertArrayEquals(new float[] {132.2f, 131.1f}, event.luxValues, 0.01f); |
| assertArrayEquals(new long[] {someTimeAgo, someTimeAgo}, event.luxTimestamps); |
| assertEquals(32, event.lastBrightness); |
| assertEquals(1, event.userId); |
| assertTrue(event.nightMode); |
| assertEquals(3235, event.colorTemperature); |
| assertEquals(0.5f, event.batteryLevel, 0.01); |
| assertEquals("com.android.anapp", event.packageName); |
| } |
| |
| @Test |
| public void testFailedRead() { |
| String someTimeAgo = |
| Long.toString(System.currentTimeMillis() - TimeUnit.HOURS.toMillis(12)); |
| mInjector.mCurrentTimeMillis = System.currentTimeMillis(); |
| |
| BrightnessTracker tracker = new BrightnessTracker(InstrumentationRegistry.getContext(), |
| mInjector); |
| String eventFile = "junk in the file"; |
| try { |
| tracker.readEventsLocked(getInputStream(eventFile)); |
| } catch (IOException e) { |
| // Expected; |
| } |
| assertEquals(0, tracker.getEvents(0, true).getList().size()); |
| |
| // Missing lux value. |
| eventFile = |
| "<?xml version='1.0' encoding='utf-8' standalone='yes' ?>\n" |
| + "<events>\n" |
| + "<event brightness=\"194\" timestamp=\"" + someTimeAgo + "\" packageName=\"" |
| + "com.example.app\" user=\"10\" " |
| + "batteryLevel=\"0.7\" nightMode=\"false\" colorTemperature=\"0\" />\n" |
| + "</events>"; |
| try { |
| tracker.readEventsLocked(getInputStream(eventFile)); |
| } catch (IOException e) { |
| // Expected; |
| } |
| assertEquals(0, tracker.getEvents(0, true).getList().size()); |
| } |
| |
| @Test |
| public void testWriteThenRead() throws Exception { |
| final int brightness = 20; |
| |
| mInjector.mSystemIntSettings.put(Settings.System.SCREEN_BRIGHTNESS, brightness); |
| mInjector.mSecureIntSettings.put(Settings.Secure.NIGHT_DISPLAY_ACTIVATED, 1); |
| mInjector.mSecureIntSettings.put(Settings.Secure.NIGHT_DISPLAY_COLOR_TEMPERATURE, 3339); |
| |
| startTracker(mTracker); |
| mInjector.mBroadcastReceiver.onReceive(InstrumentationRegistry.getContext(), |
| batteryChangeEvent(30, 100)); |
| mInjector.mSensorListener.onSensorChanged(createSensorEvent(2000.0f)); |
| final long firstSensorTime = mInjector.currentTimeMillis(); |
| mInjector.incrementTime(TimeUnit.SECONDS.toMillis(2)); |
| mInjector.mSensorListener.onSensorChanged(createSensorEvent(3000.0f)); |
| final long secondSensorTime = mInjector.currentTimeMillis(); |
| mInjector.incrementTime(TimeUnit.SECONDS.toMillis(3)); |
| mInjector.mSettingsObserver.onChange(false, Settings.System.getUriFor( |
| Settings.System.SCREEN_BRIGHTNESS)); |
| ByteArrayOutputStream baos = new ByteArrayOutputStream(); |
| mTracker.writeEventsLocked(baos); |
| mTracker.stop(); |
| |
| baos.flush(); |
| ByteArrayInputStream input = new ByteArrayInputStream(baos.toByteArray()); |
| BrightnessTracker tracker = new BrightnessTracker(InstrumentationRegistry.getContext(), |
| mInjector); |
| tracker.readEventsLocked(input); |
| List<BrightnessChangeEvent> events = tracker.getEvents(0, true).getList(); |
| |
| assertEquals(1, events.size()); |
| BrightnessChangeEvent event = events.get(0); |
| assertArrayEquals(new float[] {2000.0f, 3000.0f}, event.luxValues, 0.01f); |
| assertArrayEquals(new long[] {firstSensorTime, secondSensorTime}, event.luxTimestamps); |
| assertEquals(brightness, event.brightness); |
| assertEquals(0.3, event.batteryLevel, 0.01f); |
| assertTrue(event.nightMode); |
| assertEquals(3339, event.colorTemperature); |
| } |
| |
| @Test |
| public void testWritePrunesOldEvents() throws Exception { |
| final int brightness = 20; |
| |
| mInjector.mSystemIntSettings.put(Settings.System.SCREEN_BRIGHTNESS, brightness); |
| mInjector.mSecureIntSettings.put(Settings.Secure.NIGHT_DISPLAY_ACTIVATED, 1); |
| mInjector.mSecureIntSettings.put(Settings.Secure.NIGHT_DISPLAY_COLOR_TEMPERATURE, 3339); |
| |
| startTracker(mTracker); |
| mInjector.mBroadcastReceiver.onReceive(InstrumentationRegistry.getContext(), |
| batteryChangeEvent(30, 100)); |
| mInjector.mSensorListener.onSensorChanged(createSensorEvent(1000.0f)); |
| mInjector.incrementTime(TimeUnit.SECONDS.toMillis(1)); |
| mInjector.mSensorListener.onSensorChanged(createSensorEvent(2000.0f)); |
| final long sensorTime = mInjector.currentTimeMillis(); |
| mInjector.mSettingsObserver.onChange(false, Settings.System.getUriFor( |
| Settings.System.SCREEN_BRIGHTNESS)); |
| |
| // 31 days later |
| mInjector.incrementTime(TimeUnit.DAYS.toMillis(31)); |
| mInjector.mSensorListener.onSensorChanged(createSensorEvent(3000.0f)); |
| mInjector.mSettingsObserver.onChange(false, Settings.System.getUriFor( |
| Settings.System.SCREEN_BRIGHTNESS)); |
| final long eventTime = mInjector.currentTimeMillis(); |
| |
| List<BrightnessChangeEvent> events = mTracker.getEvents(0, true).getList(); |
| assertEquals(2, events.size()); |
| |
| ByteArrayOutputStream baos = new ByteArrayOutputStream(); |
| mTracker.writeEventsLocked(baos); |
| events = mTracker.getEvents(0, true).getList(); |
| mTracker.stop(); |
| |
| assertEquals(1, events.size()); |
| BrightnessChangeEvent event = events.get(0); |
| assertEquals(eventTime, event.timeStamp); |
| |
| // We will keep one of the old sensor events because we keep 1 event outside the window. |
| assertArrayEquals(new float[] {2000.0f, 3000.0f}, event.luxValues, 0.01f); |
| assertArrayEquals(new long[] {sensorTime, eventTime}, event.luxTimestamps); |
| assertEquals(brightness, event.brightness); |
| assertEquals(0.3, event.batteryLevel, 0.01f); |
| assertTrue(event.nightMode); |
| assertEquals(3339, event.colorTemperature); |
| } |
| |
| @Test |
| public void testParcelUnParcel() { |
| Parcel parcel = Parcel.obtain(); |
| BrightnessChangeEvent event = new BrightnessChangeEvent(); |
| event.brightness = 23; |
| event.timeStamp = 345L; |
| event.packageName = "com.example"; |
| event.userId = 12; |
| event.luxValues = new float[2]; |
| event.luxValues[0] = 3000.0f; |
| event.luxValues[1] = 4000.0f; |
| event.luxTimestamps = new long[2]; |
| event.luxTimestamps[0] = 325L; |
| event.luxTimestamps[1] = 315L; |
| event.batteryLevel = 0.7f; |
| event.nightMode = false; |
| event.colorTemperature = 345; |
| event.lastBrightness = 50; |
| |
| event.writeToParcel(parcel, 0); |
| byte[] parceled = parcel.marshall(); |
| parcel.recycle(); |
| |
| parcel = Parcel.obtain(); |
| parcel.unmarshall(parceled, 0, parceled.length); |
| parcel.setDataPosition(0); |
| |
| BrightnessChangeEvent event2 = BrightnessChangeEvent.CREATOR.createFromParcel(parcel); |
| parcel.recycle(); |
| assertEquals(event.brightness, event2.brightness); |
| assertEquals(event.timeStamp, event2.timeStamp); |
| assertEquals(event.packageName, event2.packageName); |
| assertEquals(event.userId, event2.userId); |
| assertArrayEquals(event.luxValues, event2.luxValues, 0.01f); |
| assertArrayEquals(event.luxTimestamps, event2.luxTimestamps); |
| assertEquals(event.batteryLevel, event2.batteryLevel, 0.01f); |
| assertEquals(event.nightMode, event2.nightMode); |
| assertEquals(event.colorTemperature, event2.colorTemperature); |
| assertEquals(event.lastBrightness, event2.lastBrightness); |
| |
| parcel = Parcel.obtain(); |
| event.batteryLevel = Float.NaN; |
| event.writeToParcel(parcel, 0); |
| parceled = parcel.marshall(); |
| parcel.recycle(); |
| |
| parcel = Parcel.obtain(); |
| parcel.unmarshall(parceled, 0, parceled.length); |
| parcel.setDataPosition(0); |
| event2 = BrightnessChangeEvent.CREATOR.createFromParcel(parcel); |
| assertEquals(event.batteryLevel, event2.batteryLevel, 0.01f); |
| } |
| |
| private InputStream getInputStream(String data) { |
| return new ByteArrayInputStream(data.getBytes(StandardCharsets.UTF_8)); |
| } |
| |
| private Intent batteryChangeEvent(int level, int scale) { |
| Intent intent = new Intent(); |
| intent.setAction(Intent.ACTION_BATTERY_CHANGED); |
| intent.putExtra(BatteryManager.EXTRA_LEVEL, level); |
| intent.putExtra(BatteryManager.EXTRA_SCALE, scale); |
| return intent; |
| } |
| |
| private SensorEvent createSensorEvent(float lux) { |
| SensorEvent event; |
| try { |
| Constructor<SensorEvent> constr = |
| SensorEvent.class.getDeclaredConstructor(Integer.TYPE); |
| constr.setAccessible(true); |
| event = constr.newInstance(1); |
| } catch (Exception e) { |
| throw new RuntimeException(e); |
| } |
| event.values[0] = lux; |
| event.timestamp = mInjector.mElapsedRealtimeNanos; |
| |
| return event; |
| } |
| |
| private void startTracker(BrightnessTracker tracker) { |
| tracker.start(); |
| mInjector.waitForHandler(); |
| } |
| |
| private static final class Idle implements MessageQueue.IdleHandler { |
| private boolean mIdle; |
| |
| @Override |
| public boolean queueIdle() { |
| synchronized (this) { |
| mIdle = true; |
| notifyAll(); |
| } |
| return false; |
| } |
| |
| public synchronized void waitForIdle() { |
| while (!mIdle) { |
| try { |
| wait(); |
| } catch (InterruptedException e) { |
| } |
| } |
| } |
| } |
| |
| private class TestInjector extends BrightnessTracker.Injector { |
| SensorEventListener mSensorListener; |
| ContentObserver mSettingsObserver; |
| BroadcastReceiver mBroadcastReceiver; |
| Map<String, Integer> mSystemIntSettings = new HashMap<>(); |
| Map<String, Integer> mSecureIntSettings = new HashMap<>(); |
| long mCurrentTimeMillis = System.currentTimeMillis(); |
| long mElapsedRealtimeNanos = SystemClock.elapsedRealtimeNanos(); |
| Handler mHandler; |
| boolean mIdleScheduled; |
| boolean mInteractive = true; |
| |
| public TestInjector(Handler handler) { |
| mHandler = handler; |
| } |
| |
| public void incrementTime(long timeMillis) { |
| mCurrentTimeMillis += timeMillis; |
| mElapsedRealtimeNanos += TimeUnit.MILLISECONDS.toNanos(timeMillis); |
| } |
| |
| @Override |
| public void registerSensorListener(Context context, |
| SensorEventListener sensorListener, Handler handler) { |
| mSensorListener = sensorListener; |
| } |
| |
| @Override |
| public void unregisterSensorListener(Context context, |
| SensorEventListener sensorListener) { |
| mSensorListener = null; |
| } |
| |
| @Override |
| public void registerBrightnessObserver(ContentResolver resolver, |
| ContentObserver settingsObserver) { |
| mSettingsObserver = settingsObserver; |
| } |
| |
| @Override |
| public void unregisterBrightnessObserver(Context context, |
| ContentObserver settingsObserver) { |
| mSettingsObserver = null; |
| } |
| |
| @Override |
| public void registerReceiver(Context context, |
| BroadcastReceiver shutdownReceiver, IntentFilter shutdownFilter) { |
| mBroadcastReceiver = shutdownReceiver; |
| } |
| |
| @Override |
| public void unregisterReceiver(Context context, |
| BroadcastReceiver broadcastReceiver) { |
| assertEquals(mBroadcastReceiver, broadcastReceiver); |
| mBroadcastReceiver = null; |
| } |
| |
| @Override |
| public Handler getBackgroundHandler() { |
| return mHandler; |
| } |
| |
| public void waitForHandler() { |
| Idle idle = new Idle(); |
| mHandler.getLooper().getQueue().addIdleHandler(idle); |
| mHandler.post(() -> {}); |
| idle.waitForIdle(); |
| } |
| |
| @Override |
| public int getSystemIntForUser(ContentResolver resolver, String setting, int defaultValue, |
| int userId) { |
| Integer value = mSystemIntSettings.get(setting); |
| if (value == null) { |
| return defaultValue; |
| } else { |
| return value; |
| } |
| } |
| |
| @Override |
| public void putSystemIntForUser(ContentResolver resolver, String setting, int value, |
| int userId) { |
| mSystemIntSettings.put(setting, value); |
| } |
| |
| @Override |
| public int getSecureIntForUser(ContentResolver resolver, String setting, int defaultValue, |
| int userId) { |
| Integer value = mSecureIntSettings.get(setting); |
| if (value == null) { |
| return defaultValue; |
| } else { |
| return value; |
| } |
| } |
| |
| @Override |
| public AtomicFile getFile() { |
| // Don't have the test write / read from anywhere. |
| return null; |
| } |
| |
| @Override |
| public long currentTimeMillis() { |
| return mCurrentTimeMillis; |
| } |
| |
| @Override |
| public long elapsedRealtimeNanos() { |
| return mElapsedRealtimeNanos; |
| } |
| |
| @Override |
| public int getUserSerialNumber(UserManager userManager, int userId) { |
| return userId + 10; |
| } |
| |
| @Override |
| public int getUserId(UserManager userManager, int userSerialNumber) { |
| return userSerialNumber - 10; |
| } |
| |
| @Override |
| public ActivityManager.StackInfo getFocusedStack() throws RemoteException { |
| ActivityManager.StackInfo focusedStack = new ActivityManager.StackInfo(); |
| focusedStack.userId = 0; |
| focusedStack.topActivity = new ComponentName("a.package", "a.class"); |
| return focusedStack; |
| } |
| |
| public void scheduleIdleJob(Context context) { |
| // Don't actually schedule jobs during unit tests. |
| mIdleScheduled = true; |
| } |
| |
| public void cancelIdleJob(Context context) { |
| mIdleScheduled = false; |
| } |
| |
| public boolean isInteractive(Context context) { |
| return mInteractive; |
| } |
| } |
| } |