Add test for multiple brightness events
Ensure that brightness events are working for both increasing and
decreasing brightnesses.
Bug: 23215298
Test: atest BrightnessTrackerTest
Change-Id: I840852ec2652b1e6492ae9385b9c559655dd6e6d
diff --git a/services/tests/servicestests/src/com/android/server/display/BrightnessTrackerTest.java b/services/tests/servicestests/src/com/android/server/display/BrightnessTrackerTest.java
index 8981160..021f2d1 100644
--- a/services/tests/servicestests/src/com/android/server/display/BrightnessTrackerTest.java
+++ b/services/tests/servicestests/src/com/android/server/display/BrightnessTrackerTest.java
@@ -323,6 +323,61 @@
}
@Test
+ public void testMultipleBrightnessEvents() {
+ final float brightnessOne = 0.2f;
+ final float brightnessTwo = 0.4f;
+ final float brightnessThree = 0.6f;
+ final float brightnessFour = 0.3f;
+ final String displayId = "1234";
+ final float[] luxValues = new float[]{1.0f};
+
+ startTracker(mTracker);
+ final long sensorTime = TimeUnit.NANOSECONDS.toMillis(mInjector.elapsedRealtimeNanos());
+ final long sensorTime2 = sensorTime + TimeUnit.SECONDS.toMillis(20);
+ final long sensorTime3 = sensorTime2 + TimeUnit.SECONDS.toMillis(30);
+ final long sensorTime4 = sensorTime3 + TimeUnit.SECONDS.toMillis(40);
+ final long originalTime = mInjector.currentTimeMillis();
+
+ mInjector.incrementTime(TimeUnit.SECONDS.toMillis(2));
+ notifyBrightnessChanged(mTracker, brightnessOne, displayId, luxValues,
+ new long[] {sensorTime});
+
+ mInjector.incrementTime(TimeUnit.SECONDS.toMillis(20));
+ notifyBrightnessChanged(mTracker, brightnessTwo, displayId, luxValues,
+ new long[] {sensorTime2});
+
+ mInjector.incrementTime(TimeUnit.SECONDS.toMillis(30));
+ notifyBrightnessChanged(mTracker, brightnessThree, displayId, luxValues,
+ new long[] {sensorTime3});
+
+ mInjector.incrementTime(TimeUnit.SECONDS.toMillis(40));
+ notifyBrightnessChanged(mTracker, brightnessFour, displayId, luxValues,
+ new long[] {sensorTime4});
+ mTracker.stop();
+ List<BrightnessChangeEvent> events = mTracker.getEvents(0, true).getList();
+ assertEquals(4, events.size());
+ BrightnessChangeEvent eventOne = events.get(0);
+ assertEquals(brightnessOne, eventOne.brightness, FLOAT_DELTA);
+ assertEquals(originalTime,
+ eventOne.luxTimestamps[0]);
+
+ BrightnessChangeEvent eventTwo = events.get(1);
+ assertEquals(brightnessTwo, eventTwo.brightness, FLOAT_DELTA);
+ assertEquals(originalTime + TimeUnit.SECONDS.toMillis(20),
+ eventTwo.luxTimestamps[0]);
+
+ BrightnessChangeEvent eventThree = events.get(2);
+ assertEquals(brightnessThree, eventThree.brightness, FLOAT_DELTA);
+ assertEquals(originalTime + TimeUnit.SECONDS.toMillis(50),
+ eventThree.luxTimestamps[0]);
+
+ BrightnessChangeEvent eventFour = events.get(3);
+ assertEquals(brightnessFour, eventFour.brightness, FLOAT_DELTA);
+ assertEquals(originalTime + TimeUnit.SECONDS.toMillis(90),
+ eventFour.luxTimestamps[0]);
+ }
+
+ @Test
public void testBrightnessFullPopulatedEvent() {
final int initialBrightness = 230;
final int brightness = 130;
