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Commit a4a0ea88 authored by TreeHugger Robot's avatar TreeHugger Robot Committed by Automerger Merge Worker
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Merge "Adding unit tests for preferred display mode" into tm-dev am: b1023455 

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/17005552

Change-Id: I4f1397cba6cc30a3c9f2078529685c732a89354d
parents 241e1bd3 b1023455

services/tests/mockingservicestests/src/com/android/server/display/LocalDisplayAdapterTest.java

+62 −0
Original line number Diff line number Diff line
@@ -754,6 +754,57 @@ public class LocalDisplayAdapterTest { 
        verify(mMockedBacklight, never()).setBrightness(anyFloat());

    }



    @Test

    public void testGetSystemPreferredDisplayMode() throws Exception {

        SurfaceControl.DisplayMode displayMode1 = createFakeDisplayMode(0, 1920, 1080, 60f);

        // preferred mode

        SurfaceControl.DisplayMode displayMode2 = createFakeDisplayMode(1, 3840, 2160, 60f);



        SurfaceControl.DisplayMode[] modes =

                new SurfaceControl.DisplayMode[]{displayMode1, displayMode2};

        FakeDisplay display = new FakeDisplay(PORT_A, modes, 0, 1);

        setUpDisplay(display);

        updateAvailableDisplays();

        mAdapter.registerLocked();

        waitForHandlerToComplete(mHandler, HANDLER_WAIT_MS);



        assertThat(mListener.addedDisplays.size()).isEqualTo(1);

        assertThat(mListener.changedDisplays).isEmpty();



        DisplayDeviceInfo displayDeviceInfo = mListener.addedDisplays.get(

                0).getDisplayDeviceInfoLocked();



        assertThat(displayDeviceInfo.supportedModes.length).isEqualTo(modes.length);



        Display.Mode defaultMode = getModeById(displayDeviceInfo, displayDeviceInfo.defaultModeId);

        assertThat(matches(defaultMode, displayMode2)).isTrue();



        // Change the display and add new preferred mode

        SurfaceControl.DisplayMode addedDisplayInfo = createFakeDisplayMode(2, 2340, 1080, 60f);

        modes = new SurfaceControl.DisplayMode[]{displayMode1, displayMode2, addedDisplayInfo};

        display.dynamicInfo.supportedDisplayModes = modes;

        display.dynamicInfo.preferredBootDisplayMode = 2;

        setUpDisplay(display);

        mInjector.getTransmitter().sendHotplug(display, /* connected */ true);

        waitForHandlerToComplete(mHandler, HANDLER_WAIT_MS);



        assertTrue(mListener.traversalRequested);

        assertThat(mListener.addedDisplays.size()).isEqualTo(1);

        assertThat(mListener.changedDisplays.size()).isEqualTo(1);



        DisplayDevice displayDevice = mListener.changedDisplays.get(0);

        displayDevice.applyPendingDisplayDeviceInfoChangesLocked();

        displayDeviceInfo = displayDevice.getDisplayDeviceInfoLocked();



        assertThat(displayDeviceInfo.supportedModes.length).isEqualTo(modes.length);

        assertModeIsSupported(displayDeviceInfo.supportedModes, displayMode1);

        assertModeIsSupported(displayDeviceInfo.supportedModes, displayMode2);

        assertModeIsSupported(displayDeviceInfo.supportedModes, addedDisplayInfo);



        assertThat(matches(displayDevice.getSystemPreferredDisplayModeLocked(), addedDisplayInfo))

                .isTrue();

    }



    private void assertDisplayDpi(DisplayDeviceInfo info, int expectedPort,

                                  float expectedXdpi,

                                  float expectedYDpi,
@@ -831,6 +882,16 @@ public class LocalDisplayAdapterTest { 
            dynamicInfo.supportedDisplayModes = modes;

            dynamicInfo.activeDisplayModeId = activeMode;

        }



        private FakeDisplay(int port, SurfaceControl.DisplayMode[] modes, int activeMode,

                int preferredMode) {

            address = createDisplayAddress(port);

            info = createFakeDisplayInfo();

            dynamicInfo.supportedDisplayModes = modes;

            dynamicInfo.activeDisplayModeId = activeMode;

            dynamicInfo.preferredBootDisplayMode = preferredMode;

        }



    }



    private void setUpDisplay(FakeDisplay display) {
@@ -843,6 +904,7 @@ public class LocalDisplayAdapterTest { 
                .thenReturn(display.dynamicInfo);

        when(mSurfaceControlProxy.getDesiredDisplayModeSpecs(display.token))

                .thenReturn(display.desiredDisplayModeSpecs);

        when(mSurfaceControlProxy.getBootDisplayModeSupport()).thenReturn(true);

    }



    private void updateAvailableDisplays() {