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Commit 362a5385 authored by Alan Ding's avatar Alan Ding
Browse files

DM: Add unit test to verify virtual displays device info 

Follow-up to http://ag/27200479 in offline request from owner to check
info passed when creating virtual displays (e.g. uniqueId) propogate
properly through DM.

Bug: 339927087
Bug: 137375833
Bug: 194863377
Test: atest DisplayServiceTests
Change-Id: I5dfa4cea2a668f8c5b1016e61777303f5ac2f0ea
parent b8d1fb89

services/tests/displayservicetests/src/com/android/server/display/DisplayManagerServiceTest.java

+58 −0
Original line number Diff line number Diff line
@@ -709,6 +709,64 @@ public class DisplayManagerServiceTest { 
        assertTrue((ddi.flags & DisplayDeviceInfo.FLAG_OWN_FOCUS) == 0);

    }



    @Test

    public void testCreateVirtualDisplayOwnFocus_checkDisplayDeviceInfo() throws RemoteException {

        DisplayManagerService displayManager =

                new DisplayManagerService(mContext, mBasicInjector);

        registerDefaultDisplays(displayManager);



        // This is effectively the DisplayManager service published to ServiceManager.

        DisplayManagerService.BinderService bs = displayManager.new BinderService();



        final String uniqueId = "uniqueId --- Own Focus Test -- checkDisplayDeviceInfo";

        float refreshRate = 60.0f;

        int width = 600;

        int height = 800;

        int dpi = 320;

        int flags = DisplayManager.VIRTUAL_DISPLAY_FLAG_OWN_FOCUS;



        when(mContext.checkCallingPermission(ADD_TRUSTED_DISPLAY)).thenReturn(

                PackageManager.PERMISSION_GRANTED);

        when(mMockAppToken.asBinder()).thenReturn(mMockAppToken);

        final VirtualDisplayConfig.Builder builder = new VirtualDisplayConfig.Builder(

                VIRTUAL_DISPLAY_NAME, width, height, dpi);

        builder.setFlags(flags);

        builder.setUniqueId(uniqueId);

        builder.setRequestedRefreshRate(refreshRate);



        // Create a virtual display in its own display group.

        final VirtualDisplayConfig ownerDisplayConfig = builder.build();

        int displayId = bs.createVirtualDisplay(ownerDisplayConfig, /* callback= */ mMockAppToken,

                /* projection= */ null, PACKAGE_NAME);

        verify(mMockProjectionService, never()).setContentRecordingSession(any(),

                nullable(IMediaProjection.class));



        DisplayInfo displayInfo = bs.getDisplayInfo(displayId);

        assertNotNull(displayInfo);

        assertTrue((displayInfo.flags & DisplayDeviceInfo.FLAG_OWN_FOCUS) == 0);

        final String displayUniqueId = VirtualDisplayAdapter.generateDisplayUniqueId(

                PACKAGE_NAME, Process.myUid(), ownerDisplayConfig);

        assertEquals(displayInfo.uniqueId, displayUniqueId);

        assertEquals(displayInfo.name, VIRTUAL_DISPLAY_NAME);

        assertEquals(displayInfo.ownerPackageName, PACKAGE_NAME);

        assertEquals(displayInfo.getRefreshRate(), refreshRate, 0.1f);



        performTraversalInternal(displayManager);



        // Flush the handler.

        displayManager.getDisplayHandler().runWithScissors(() -> {}, /* now= */ 0);



        DisplayDeviceInfo ddi = displayManager.getDisplayDeviceInfoInternal(displayId);

        assertNotNull(ddi);

        assertTrue((ddi.flags & DisplayDeviceInfo.FLAG_OWN_FOCUS) == 0);

        assertEquals(ddi.width, width);

        assertEquals(ddi.height, height);

        assertEquals(ddi.name, displayInfo.name);

        assertEquals(ddi.ownerPackageName, displayInfo.ownerPackageName);

        assertEquals(ddi.uniqueId, displayInfo.uniqueId);

        assertEquals(ddi.renderFrameRate, displayInfo.getRefreshRate(), 0.1f);

    }



    /**

     * Tests that the virtual display is created along-side the default display.

     */