| /* |
| * Copyright (C) 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 com.android.server.display.VirtualDisplayAdapter.UNIQUE_ID_PREFIX; |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertNotNull; |
| import static org.junit.Assert.assertTrue; |
| import static org.junit.Assert.fail; |
| import static org.mockito.Mockito.mock; |
| import static org.mockito.Mockito.verify; |
| import static org.mockito.Mockito.when; |
| |
| import android.content.Context; |
| import android.hardware.display.BrightnessConfiguration; |
| import android.hardware.display.Curve; |
| import android.hardware.display.DisplayManager; |
| import android.hardware.display.DisplayViewport; |
| import android.hardware.display.DisplayedContentSample; |
| import android.hardware.display.DisplayedContentSamplingAttributes; |
| import android.hardware.display.IVirtualDisplayCallback; |
| import android.hardware.input.InputManagerInternal; |
| import android.os.Handler; |
| import android.os.IBinder; |
| import android.view.Display; |
| import android.view.DisplayInfo; |
| import android.view.SurfaceControl; |
| |
| import androidx.test.InstrumentationRegistry; |
| import androidx.test.filters.SmallTest; |
| import androidx.test.runner.AndroidJUnit4; |
| |
| import com.android.server.LocalServices; |
| import com.android.server.SystemService; |
| import com.android.server.display.DisplayDeviceInfo; |
| import com.android.server.display.DisplayManagerService.SyncRoot; |
| import com.android.server.lights.LightsManager; |
| import com.android.server.wm.WindowManagerInternal; |
| |
| import org.junit.Before; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.mockito.ArgumentCaptor; |
| import org.mockito.Mock; |
| import org.mockito.MockitoAnnotations; |
| |
| import java.util.List; |
| import java.util.stream.LongStream; |
| |
| @SmallTest |
| @RunWith(AndroidJUnit4.class) |
| public class DisplayManagerServiceTest { |
| private static final int MSG_REGISTER_DEFAULT_DISPLAY_ADAPTERS = 1; |
| private static final long SHORT_DEFAULT_DISPLAY_TIMEOUT_MILLIS = 10; |
| |
| private Context mContext; |
| |
| private final DisplayManagerService.Injector mShortMockedInjector = |
| new DisplayManagerService.Injector() { |
| @Override |
| VirtualDisplayAdapter getVirtualDisplayAdapter(SyncRoot syncRoot, |
| Context context, Handler handler, DisplayAdapter.Listener listener) { |
| return mMockVirtualDisplayAdapter; |
| } |
| |
| @Override |
| long getDefaultDisplayDelayTimeout() { |
| return SHORT_DEFAULT_DISPLAY_TIMEOUT_MILLIS; |
| } |
| }; |
| private final DisplayManagerService.Injector mBasicInjector = |
| new DisplayManagerService.Injector() { |
| @Override |
| VirtualDisplayAdapter getVirtualDisplayAdapter(SyncRoot syncRoot, |
| Context context, Handler handler, |
| DisplayAdapter.Listener displayAdapterListener) { |
| return new VirtualDisplayAdapter(syncRoot, context, handler, |
| displayAdapterListener, |
| (String name, boolean secure) -> mMockDisplayToken); |
| } |
| }; |
| |
| @Mock InputManagerInternal mMockInputManagerInternal; |
| @Mock IVirtualDisplayCallback.Stub mMockAppToken; |
| @Mock WindowManagerInternal mMockWindowManagerInternal; |
| @Mock LightsManager mMockLightsManager; |
| @Mock VirtualDisplayAdapter mMockVirtualDisplayAdapter; |
| @Mock IBinder mMockDisplayToken; |
| |
| @Before |
| public void setUp() throws Exception { |
| MockitoAnnotations.initMocks(this); |
| |
| LocalServices.removeServiceForTest(InputManagerInternal.class); |
| LocalServices.addService(InputManagerInternal.class, mMockInputManagerInternal); |
| LocalServices.removeServiceForTest(WindowManagerInternal.class); |
| LocalServices.addService(WindowManagerInternal.class, mMockWindowManagerInternal); |
| LocalServices.removeServiceForTest(LightsManager.class); |
| LocalServices.addService(LightsManager.class, mMockLightsManager); |
| |
| mContext = InstrumentationRegistry.getInstrumentation().getTargetContext(); |
| } |
| |
| @Test |
| public void testCreateVirtualDisplay_sentToInputManager() { |
| DisplayManagerService displayManager = |
| new DisplayManagerService(mContext, mBasicInjector); |
| registerDefaultDisplays(displayManager); |
| displayManager.systemReady(false /* safeMode */, true /* onlyCore */); |
| displayManager.windowManagerAndInputReady(); |
| |
| // This is effectively the DisplayManager service published to ServiceManager. |
| DisplayManagerService.BinderService bs = displayManager.new BinderService(); |
| |
| String uniqueId = "uniqueId --- Test"; |
| String uniqueIdPrefix = UNIQUE_ID_PREFIX + mContext.getPackageName() + ":"; |
| int width = 600; |
| int height = 800; |
| int dpi = 320; |
| int flags = DisplayManager.VIRTUAL_DISPLAY_FLAG_SUPPORTS_TOUCH; |
| |
| when(mMockAppToken.asBinder()).thenReturn(mMockAppToken); |
| int displayId = bs.createVirtualDisplay(mMockAppToken /* callback */, |
| null /* projection */, "com.android.frameworks.servicestests", |
| "Test Virtual Display", width, height, dpi, null /* surface */, flags /* flags */, |
| uniqueId); |
| |
| displayManager.performTraversalInternal(mock(SurfaceControl.Transaction.class)); |
| |
| // flush the handler |
| displayManager.getDisplayHandler().runWithScissors(() -> {}, 0 /* now */); |
| |
| ArgumentCaptor<List<DisplayViewport>> viewportCaptor = ArgumentCaptor.forClass(List.class); |
| verify(mMockInputManagerInternal).setDisplayViewports(viewportCaptor.capture()); |
| List<DisplayViewport> viewports = viewportCaptor.getValue(); |
| |
| // Expect to receive 2 viewports: internal, and virtual |
| assertEquals(2, viewports.size()); |
| |
| DisplayViewport virtualViewport = null; |
| DisplayViewport internalViewport = null; |
| for (int i = 0; i < viewports.size(); i++) { |
| DisplayViewport v = viewports.get(i); |
| switch (v.type) { |
| case DisplayViewport.VIEWPORT_INTERNAL: { |
| internalViewport = v; |
| break; |
| } |
| case DisplayViewport.VIEWPORT_EXTERNAL: { |
| fail("EXTERNAL viewport should not exist."); |
| break; |
| } |
| case DisplayViewport.VIEWPORT_VIRTUAL: { |
| virtualViewport = v; |
| break; |
| } |
| } |
| } |
| // INTERNAL viewport gets created upon access. |
| assertNotNull(internalViewport); |
| assertNotNull(virtualViewport); |
| |
| // INTERNAL |
| assertTrue(internalViewport.valid); |
| |
| // VIRTUAL |
| assertEquals(height, virtualViewport.deviceHeight); |
| assertEquals(width, virtualViewport.deviceWidth); |
| assertEquals(uniqueIdPrefix + uniqueId, virtualViewport.uniqueId); |
| assertEquals(displayId, virtualViewport.displayId); |
| } |
| |
| @Test |
| public void testPhysicalViewports() { |
| DisplayManagerService displayManager = |
| new DisplayManagerService(mContext, mBasicInjector); |
| registerDefaultDisplays(displayManager); |
| displayManager.systemReady(false /* safeMode */, true /* onlyCore */); |
| displayManager.windowManagerAndInputReady(); |
| |
| // This is effectively the DisplayManager service published to ServiceManager. |
| DisplayManagerService.BinderService bs = displayManager.new BinderService(); |
| |
| when(mMockAppToken.asBinder()).thenReturn(mMockAppToken); |
| |
| final int displayIds[] = bs.getDisplayIds(); |
| assertEquals(1, displayIds.length); |
| final int displayId = displayIds[0]; |
| DisplayInfo info = bs.getDisplayInfo(displayId); |
| assertEquals(info.type, Display.TYPE_BUILT_IN); |
| |
| displayManager.performTraversalInternal(mock(SurfaceControl.Transaction.class)); |
| |
| // flush the handler |
| displayManager.getDisplayHandler().runWithScissors(() -> {}, 0 /* now */); |
| |
| ArgumentCaptor<List<DisplayViewport>> viewportCaptor = ArgumentCaptor.forClass(List.class); |
| verify(mMockInputManagerInternal).setDisplayViewports(viewportCaptor.capture()); |
| List<DisplayViewport> viewports = viewportCaptor.getValue(); |
| |
| // Expect to receive actual viewports: 1 internal |
| assertEquals(1, viewports.size()); |
| |
| DisplayViewport internalViewport = viewports.get(0); |
| |
| // INTERNAL is the only one actual display. |
| assertNotNull(internalViewport); |
| assertEquals(DisplayViewport.VIEWPORT_INTERNAL, internalViewport.type); |
| assertTrue(internalViewport.valid); |
| assertEquals(displayId, internalViewport.displayId); |
| } |
| |
| @Test |
| public void testCreateVirtualDisplayRotatesWithContent() throws Exception { |
| DisplayManagerService displayManager = |
| new DisplayManagerService(mContext, mBasicInjector); |
| registerDefaultDisplays(displayManager); |
| |
| // This is effectively the DisplayManager service published to ServiceManager. |
| DisplayManagerService.BinderService bs = displayManager.new BinderService(); |
| |
| String uniqueId = "uniqueId --- Rotates With Content Test"; |
| int width = 600; |
| int height = 800; |
| int dpi = 320; |
| int flags = DisplayManager.VIRTUAL_DISPLAY_FLAG_ROTATES_WITH_CONTENT; |
| |
| when(mMockAppToken.asBinder()).thenReturn(mMockAppToken); |
| int displayId = bs.createVirtualDisplay(mMockAppToken /* callback */, |
| null /* projection */, "com.android.frameworks.servicestests", |
| "Test Virtual Display", width, height, dpi, null /* surface */, flags /* flags */, |
| uniqueId); |
| |
| displayManager.performTraversalInternal(mock(SurfaceControl.Transaction.class)); |
| |
| // flush the handler |
| displayManager.getDisplayHandler().runWithScissors(() -> {}, 0 /* now */); |
| |
| DisplayDeviceInfo ddi = displayManager.getDisplayDeviceInfoInternal(displayId); |
| assertNotNull(ddi); |
| assertTrue((ddi.flags & DisplayDeviceInfo.FLAG_ROTATES_WITH_CONTENT) != 0); |
| } |
| |
| /** |
| * Tests that the virtual display is created along-side the default display. |
| */ |
| @Test |
| public void testStartVirtualDisplayWithDefaultDisplay_Succeeds() throws Exception { |
| DisplayManagerService displayManager = |
| new DisplayManagerService(mContext, mShortMockedInjector); |
| registerDefaultDisplays(displayManager); |
| displayManager.onBootPhase(SystemService.PHASE_WAIT_FOR_DEFAULT_DISPLAY); |
| } |
| |
| /** |
| * Tests that we get a Runtime exception when we cannot initialize the default display. |
| */ |
| @Test |
| public void testStartVirtualDisplayWithDefDisplay_NoDefaultDisplay() throws Exception { |
| DisplayManagerService displayManager = |
| new DisplayManagerService(mContext, mShortMockedInjector); |
| Handler handler = displayManager.getDisplayHandler(); |
| handler.runWithScissors(() -> {}, 0 /* now */); |
| |
| try { |
| displayManager.onBootPhase(SystemService.PHASE_WAIT_FOR_DEFAULT_DISPLAY); |
| } catch (RuntimeException e) { |
| return; |
| } |
| fail("Expected DisplayManager to throw RuntimeException when it cannot initialize the" |
| + " default display"); |
| } |
| |
| /** |
| * Tests that we get a Runtime exception when we cannot initialize the virtual display. |
| */ |
| @Test |
| public void testStartVirtualDisplayWithDefDisplay_NoVirtualDisplayAdapter() throws Exception { |
| DisplayManagerService displayManager = new DisplayManagerService(mContext, |
| new DisplayManagerService.Injector() { |
| @Override |
| VirtualDisplayAdapter getVirtualDisplayAdapter(SyncRoot syncRoot, |
| Context context, Handler handler, DisplayAdapter.Listener listener) { |
| return null; // return null for the adapter. This should cause a failure. |
| } |
| |
| @Override |
| long getDefaultDisplayDelayTimeout() { |
| return SHORT_DEFAULT_DISPLAY_TIMEOUT_MILLIS; |
| } |
| }); |
| try { |
| displayManager.onBootPhase(SystemService.PHASE_WAIT_FOR_DEFAULT_DISPLAY); |
| } catch (RuntimeException e) { |
| return; |
| } |
| fail("Expected DisplayManager to throw RuntimeException when it cannot initialize the" |
| + " virtual display adapter"); |
| } |
| |
| /** |
| * Tests that an exception is raised for too dark a brightness configuration. |
| */ |
| @Test |
| public void testTooDarkBrightnessConfigurationThrowException() { |
| DisplayManagerService displayManager = |
| new DisplayManagerService(mContext, mShortMockedInjector); |
| Curve minimumBrightnessCurve = displayManager.getMinimumBrightnessCurveInternal(); |
| float[] lux = minimumBrightnessCurve.getX(); |
| float[] minimumNits = minimumBrightnessCurve.getY(); |
| float[] nits = new float[minimumNits.length]; |
| // For every control point, assert that making it slightly lower than the minimum throws an |
| // exception. |
| for (int i = 0; i < nits.length; i++) { |
| for (int j = 0; j < nits.length; j++) { |
| nits[j] = minimumNits[j]; |
| if (j == i) { |
| nits[j] -= 0.1f; |
| } |
| if (nits[j] < 0) { |
| nits[j] = 0; |
| } |
| } |
| BrightnessConfiguration config = |
| new BrightnessConfiguration.Builder(lux, nits).build(); |
| Exception thrown = null; |
| try { |
| displayManager.validateBrightnessConfiguration(config); |
| } catch (IllegalArgumentException e) { |
| thrown = e; |
| } |
| assertNotNull("Building too dark a brightness configuration must throw an exception"); |
| } |
| } |
| |
| /** |
| * Tests that no exception is raised for not too dark a brightness configuration. |
| */ |
| @Test |
| public void testBrightEnoughBrightnessConfigurationDoesNotThrowException() { |
| DisplayManagerService displayManager = |
| new DisplayManagerService(mContext, mShortMockedInjector); |
| Curve minimumBrightnessCurve = displayManager.getMinimumBrightnessCurveInternal(); |
| float[] lux = minimumBrightnessCurve.getX(); |
| float[] nits = minimumBrightnessCurve.getY(); |
| BrightnessConfiguration config = new BrightnessConfiguration.Builder(lux, nits).build(); |
| displayManager.validateBrightnessConfiguration(config); |
| } |
| |
| /** |
| * Tests that null brightness configurations are alright. |
| */ |
| @Test |
| public void testNullBrightnessConfiguration() { |
| DisplayManagerService displayManager = |
| new DisplayManagerService(mContext, mShortMockedInjector); |
| displayManager.validateBrightnessConfiguration(null); |
| } |
| |
| /** |
| * Tests that collection of display color sampling results are sensible. |
| */ |
| @Test |
| public void testDisplayedContentSampling() { |
| DisplayManagerService displayManager = |
| new DisplayManagerService(mContext, mShortMockedInjector); |
| registerDefaultDisplays(displayManager); |
| |
| DisplayDeviceInfo ddi = displayManager.getDisplayDeviceInfoInternal(0); |
| assertNotNull(ddi); |
| |
| DisplayedContentSamplingAttributes attr = |
| displayManager.getDisplayedContentSamplingAttributesInternal(0); |
| if (attr == null) return; //sampling not supported on device, skip remainder of test. |
| |
| boolean enabled = displayManager.setDisplayedContentSamplingEnabledInternal(0, true, 0, 0); |
| assertTrue(enabled); |
| |
| displayManager.setDisplayedContentSamplingEnabledInternal(0, false, 0, 0); |
| DisplayedContentSample sample = displayManager.getDisplayedContentSampleInternal(0, 0, 0); |
| assertNotNull(sample); |
| |
| long numPixels = ddi.width * ddi.height * sample.getNumFrames(); |
| long[] samples = sample.getSampleComponent(DisplayedContentSample.ColorComponent.CHANNEL0); |
| assertTrue(samples.length == 0 || LongStream.of(samples).sum() == numPixels); |
| |
| samples = sample.getSampleComponent(DisplayedContentSample.ColorComponent.CHANNEL1); |
| assertTrue(samples.length == 0 || LongStream.of(samples).sum() == numPixels); |
| |
| samples = sample.getSampleComponent(DisplayedContentSample.ColorComponent.CHANNEL2); |
| assertTrue(samples.length == 0 || LongStream.of(samples).sum() == numPixels); |
| |
| samples = sample.getSampleComponent(DisplayedContentSample.ColorComponent.CHANNEL3); |
| assertTrue(samples.length == 0 || LongStream.of(samples).sum() == numPixels); |
| } |
| |
| private void registerDefaultDisplays(DisplayManagerService displayManager) { |
| Handler handler = displayManager.getDisplayHandler(); |
| // Would prefer to call displayManager.onStart() directly here but it performs binderService |
| // registration which triggers security exceptions when running from a test. |
| handler.sendEmptyMessage(MSG_REGISTER_DEFAULT_DISPLAY_ADAPTERS); |
| // flush the handler |
| handler.runWithScissors(() -> {}, 0 /* now */); |
| } |
| } |