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Commit a9d9c267 authored by Philip Junker's avatar Philip Junker
Browse files

Add test case for opening light session with priority 

Bug: 185877106
Test: atest LightsServiceTest
Change-Id: I5f52e8b2213e82e055cb9fc98f54e7b060b1aafb
parent 2e26a6da

services/tests/servicestests/src/com/android/server/lights/LightsServiceTest.java

+29 −0
Original line number Diff line number Diff line
@@ -47,6 +47,9 @@ import org.mockito.MockitoAnnotations; 
@SmallTest

public class LightsServiceTest {



    private static final int HIGH_PRIORITY = Integer.MAX_VALUE;

    private static final int DEFAULT_PRIORITY = 0;



    private final ILights mHal = new ILights.Stub() {

        @Override

        public void setLightState(int id, HwLightState state) {
@@ -188,4 +191,30 @@ public class LightsServiceTest { 
        // Then the light should turn back off.

        assertThat(manager.getLightState(micLight).getColor()).isEqualTo(0);

    }



    @Test

    public void testControlLights_higherPriorityCallerWinsContention() throws Exception {

        LightsService service = new LightsService(mContext, () -> mHal, Looper.getMainLooper());

        LightsManager manager = new SystemLightsManager(mContext, service.mManagerService);

        Light micLight = manager.getLights().get(0);



        // The light should begin by being off.

        assertThat(manager.getLightState(micLight).getColor()).isEqualTo(TRANSPARENT);



        try (LightsManager.LightsSession session1 = manager.openSession(DEFAULT_PRIORITY)) {

            try (LightsManager.LightsSession session2 = manager.openSession(HIGH_PRIORITY)) {

                // When session1 and session2 both request the same light:

                session1.requestLights(

                        new Builder().addLight(micLight, new LightState(BLUE)).build());

                session2.requestLights(

                        new Builder().addLight(micLight, new LightState(WHITE)).build());

                // Then session2 should win because it has a higher priority.

                assertThat(manager.getLightState(micLight).getColor()).isEqualTo(WHITE);

            }

            // Then session1 should have its request go into effect.

            assertThat(manager.getLightState(micLight).getColor()).isEqualTo(BLUE);

        }

        // Then the light should turn off because there are no more sessions.

        assertThat(manager.getLightState(micLight).getColor()).isEqualTo(TRANSPARENT);

    }

}