| /* |
| * 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.systemui.util.leak; |
| |
| import static org.mockito.ArgumentMatchers.anyInt; |
| import static org.mockito.Mockito.never; |
| import static org.mockito.Mockito.verify; |
| import static org.mockito.Mockito.when; |
| |
| import android.testing.AndroidTestingRunner; |
| |
| import androidx.test.filters.SmallTest; |
| |
| import com.android.systemui.SysuiTestCase; |
| import com.android.systemui.dump.DumpManager; |
| import com.android.systemui.util.concurrency.FakeExecutor; |
| import com.android.systemui.util.concurrency.MessageRouterImpl; |
| import com.android.systemui.util.time.FakeSystemClock; |
| |
| import org.junit.Before; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.mockito.Mock; |
| import org.mockito.MockitoAnnotations; |
| |
| @SmallTest |
| @RunWith(AndroidTestingRunner.class) |
| public class GarbageMonitorTest extends SysuiTestCase { |
| |
| @Mock private LeakReporter mLeakReporter; |
| @Mock private TrackedGarbage mTrackedGarbage; |
| @Mock private DumpManager mDumpManager; |
| private GarbageMonitor mGarbageMonitor; |
| private final FakeExecutor mFakeExecutor = new FakeExecutor(new FakeSystemClock()); |
| |
| @Before |
| public void setup() { |
| MockitoAnnotations.initMocks(this); |
| mGarbageMonitor = |
| new GarbageMonitor( |
| mContext, |
| mFakeExecutor, |
| new MessageRouterImpl(mFakeExecutor), |
| new LeakDetector(null, mTrackedGarbage, null, mDumpManager), |
| mLeakReporter, |
| mDumpManager); |
| } |
| |
| @Test |
| public void testALittleGarbage_doesntDump() { |
| when(mTrackedGarbage.countOldGarbage()).thenReturn(GarbageMonitor.GARBAGE_ALLOWANCE); |
| |
| mGarbageMonitor.reinspectGarbageAfterGc(); |
| |
| verify(mLeakReporter, never()).dumpLeak(anyInt()); |
| } |
| |
| @Test |
| public void testTransientGarbage_doesntDump() { |
| when(mTrackedGarbage.countOldGarbage()).thenReturn(GarbageMonitor.GARBAGE_ALLOWANCE + 1); |
| |
| // Start the leak monitor. Nothing gets reported immediately. |
| mGarbageMonitor.startLeakMonitor(); |
| mFakeExecutor.runAllReady(); |
| verify(mLeakReporter, never()).dumpLeak(anyInt()); |
| |
| // Garbage gets reset to 0 before the leak reporte actually gets called. |
| when(mTrackedGarbage.countOldGarbage()).thenReturn(0); |
| mFakeExecutor.advanceClockToLast(); |
| mFakeExecutor.runAllReady(); |
| |
| // Therefore nothing gets dumped. |
| verify(mLeakReporter, never()).dumpLeak(anyInt()); |
| } |
| |
| @Test |
| public void testLotsOfPersistentGarbage_dumps() { |
| when(mTrackedGarbage.countOldGarbage()).thenReturn(GarbageMonitor.GARBAGE_ALLOWANCE + 1); |
| |
| mGarbageMonitor.reinspectGarbageAfterGc(); |
| |
| verify(mLeakReporter).dumpLeak(GarbageMonitor.GARBAGE_ALLOWANCE + 1); |
| } |
| |
| @Test |
| public void testLotsOfPersistentGarbage_dumpsAfterAtime() { |
| when(mTrackedGarbage.countOldGarbage()).thenReturn(GarbageMonitor.GARBAGE_ALLOWANCE + 1); |
| |
| // Start the leak monitor. Nothing gets reported immediately. |
| mGarbageMonitor.startLeakMonitor(); |
| mFakeExecutor.runAllReady(); |
| verify(mLeakReporter, never()).dumpLeak(anyInt()); |
| |
| mFakeExecutor.advanceClockToLast(); |
| mFakeExecutor.runAllReady(); |
| |
| verify(mLeakReporter).dumpLeak(GarbageMonitor.GARBAGE_ALLOWANCE + 1); |
| } |
| } |