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Commit 286a29ba authored by Eric Jeong's avatar Eric Jeong
Browse files

Add test cases for multiple power group initialization 

- At boot, power groups are created per display group.
- This rule is effective even for multiple display groups.
- This CL adds test cases to test the rule.

Bug: 254542024
Test: atest PowerManagerServiceTest
Change-Id: I3d638f31c8fc59b3af9d709805adc7e163281ed6
parent 27761dab

services/core/java/com/android/server/power/PowerManagerService.java

+7 −0
Original line number Diff line number Diff line
@@ -6639,6 +6639,13 @@ public final class PowerManagerService extends SystemService 
        }

    }



    @VisibleForTesting

    int getPowerGroupSize() {

        synchronized (mLock) {

            return mPowerGroups.size();

        }

    }



    @GoToSleepReason

    private int getLastSleepReasonInternal() {

        synchronized (mLock) {

services/tests/servicestests/src/com/android/server/power/PowerManagerServiceTest.java

+26 −0
Original line number Diff line number Diff line
@@ -81,6 +81,7 @@ import android.provider.Settings; 
import android.service.dreams.DreamManagerInternal;

import android.sysprop.PowerProperties;

import android.test.mock.MockContentResolver;

import android.util.IntArray;

import android.view.Display;

import android.view.DisplayInfo;
@@ -2337,6 +2338,31 @@ public class PowerManagerServiceTest { 
        verify(mLowPowerStandbyControllerMock).setActiveDuringMaintenance(false);

    }



    @Test

    public void testPowerGroupInitialization_multipleDisplayGroups() {

        IntArray displayGroupIds = IntArray.wrap(new int[]{1, 2, 3});

        when(mDisplayManagerInternalMock.getDisplayGroupIds()).thenReturn(displayGroupIds);



        createService();

        startSystem();



        // Power group for DEFAULT_DISPLAY_GROUP is added by default.

        assertThat(mService.getPowerGroupSize()).isEqualTo(4);

    }



    @Test

    public void testPowerGroupInitialization_multipleDisplayGroupsWithDefaultGroup() {

        IntArray displayGroupIds = IntArray.wrap(new int[]{Display.DEFAULT_DISPLAY_GROUP, 1, 2, 3});

        when(mDisplayManagerInternalMock.getDisplayGroupIds()).thenReturn(displayGroupIds);



        createService();

        startSystem();



        // Power group for DEFAULT_DISPLAY_GROUP is added once even if getDisplayGroupIds() return

        // an array including DEFAULT_DESIPLAY_GROUP.

        assertThat(mService.getPowerGroupSize()).isEqualTo(4);

    }



    private WakeLock acquireWakeLock(String tag, int flags) {

        IBinder token = new Binder();

        String packageName = "pkg.name";