| /* |
| * 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.mock; |
| import static org.mockito.Mockito.never; |
| import static org.mockito.Mockito.verify; |
| import static org.mockito.Mockito.when; |
| |
| import android.content.Context; |
| import android.os.Looper; |
| import android.support.test.filters.SmallTest; |
| import android.testing.AndroidTestingRunner; |
| import android.testing.TestableLooper; |
| import android.testing.TestableLooper.RunWithLooper; |
| |
| import com.android.systemui.SysuiTestCase; |
| |
| import org.junit.Before; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| |
| @SmallTest |
| @RunWith(AndroidTestingRunner.class) |
| @RunWithLooper |
| public class GarbageMonitorTest extends SysuiTestCase { |
| |
| private LeakReporter mLeakReporter; |
| private TrackedGarbage mTrackedGarbage; |
| private TestableGarbageMonitor mGarbageMonitor; |
| |
| @Before |
| public void setup() { |
| mTrackedGarbage = mock(TrackedGarbage.class); |
| mLeakReporter = mock(LeakReporter.class); |
| mGarbageMonitor = |
| new TestableGarbageMonitor( |
| mContext, |
| TestableLooper.get(this).getLooper(), |
| new LeakDetector(null, mTrackedGarbage, null), |
| mLeakReporter); |
| } |
| |
| @Test |
| public void testCallbacks_getScheduled() { |
| mGarbageMonitor.startLeakMonitor(); |
| mGarbageMonitor.runCallbacksOnce(); |
| mGarbageMonitor.runCallbacksOnce(); |
| mGarbageMonitor.runCallbacksOnce(); |
| } |
| |
| @Test |
| public void testNoGarbage_doesntDump() { |
| when(mTrackedGarbage.countOldGarbage()).thenReturn(0); |
| |
| mGarbageMonitor.startLeakMonitor(); |
| mGarbageMonitor.runCallbacksOnce(); |
| mGarbageMonitor.runCallbacksOnce(); |
| mGarbageMonitor.runCallbacksOnce(); |
| |
| verify(mLeakReporter, never()).dumpLeak(anyInt()); |
| } |
| |
| @Test |
| public void testALittleGarbage_doesntDump() { |
| when(mTrackedGarbage.countOldGarbage()).thenReturn(4); |
| |
| mGarbageMonitor.startLeakMonitor(); |
| mGarbageMonitor.runCallbacksOnce(); |
| mGarbageMonitor.runCallbacksOnce(); |
| mGarbageMonitor.runCallbacksOnce(); |
| |
| verify(mLeakReporter, never()).dumpLeak(anyInt()); |
| } |
| |
| @Test |
| public void testTransientGarbage_doesntDump() { |
| when(mTrackedGarbage.countOldGarbage()).thenReturn(100); |
| |
| mGarbageMonitor.startLeakMonitor(); |
| mGarbageMonitor.runInspectCallback(); |
| |
| when(mTrackedGarbage.countOldGarbage()).thenReturn(0); |
| |
| mGarbageMonitor.runReinspectCallback(); |
| |
| verify(mLeakReporter, never()).dumpLeak(anyInt()); |
| } |
| |
| @Test |
| public void testLotsOfPersistentGarbage_dumps() { |
| when(mTrackedGarbage.countOldGarbage()).thenReturn(100); |
| |
| mGarbageMonitor.startLeakMonitor(); |
| mGarbageMonitor.runCallbacksOnce(); |
| |
| verify(mLeakReporter).dumpLeak(anyInt()); |
| } |
| |
| private static class TestableGarbageMonitor extends GarbageMonitor { |
| public TestableGarbageMonitor( |
| Context context, |
| Looper looper, |
| LeakDetector leakDetector, |
| LeakReporter leakReporter) { |
| super(context, looper, leakDetector, leakReporter); |
| } |
| |
| void runInspectCallback() { |
| startLeakMonitor(); |
| } |
| |
| void runReinspectCallback() { |
| reinspectGarbageAfterGc(); |
| } |
| |
| void runCallbacksOnce() { |
| // Note that TestableLooper doesn't currently support delayed messages so we need to run |
| // callbacks explicitly. |
| runInspectCallback(); |
| runReinspectCallback(); |
| } |
| } |
| } |