| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more contributor license |
| * agreements. See the NOTICE file distributed with this work for additional information regarding |
| * copyright ownership. The ASF licenses this file to You 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 org.apache.geode.internal.offheap; |
| |
| import static org.apache.geode.test.awaitility.GeodeAwaitility.await; |
| import static org.assertj.core.api.Assertions.assertThat; |
| import static org.mockito.Mockito.mock; |
| |
| import org.junit.Test; |
| |
| import org.apache.geode.StatisticsFactory; |
| import org.apache.geode.internal.statistics.LocalStatisticsFactory; |
| |
| public class OffHeapStorageNonRuntimeStatsJUnitTest { |
| |
| @Test |
| public void testUpdateNonRealTimeOffHeapStorageStats() { |
| StatisticsFactory localStatsFactory = new LocalStatisticsFactory(null); |
| OutOfOffHeapMemoryListener ooohml = mock(OutOfOffHeapMemoryListener.class); |
| MemoryAllocator ma = |
| OffHeapStorage.basicCreateOffHeapStorage(localStatsFactory, 1024 * 1024, ooohml, () -> 100, |
| null); |
| try { |
| OffHeapMemoryStats stats = ma.getStats(); |
| |
| assertThat(stats.getFreeMemory()).isEqualTo(1024 * 1024); |
| assertThat(stats.getMaxMemory()).isEqualTo(1024 * 1024); |
| assertThat(stats.getUsedMemory()).isEqualTo(0); |
| assertThat(stats.getFragments()).isEqualTo(1); |
| assertThat(stats.getLargestFragment()).isEqualTo(1024 * 1024); |
| assertThat(stats.getFreedChunks()).isEqualTo(0); |
| |
| FreeListManager freeListManager = ((MemoryAllocatorImpl) ma).getFreeListManager(); |
| StoredObject storedObject1 = ma.allocate(10); |
| // Release the memory of the object so that the next allocation reuses the freed chunk |
| ReferenceCounter.release(storedObject1.getAddress(), freeListManager); |
| StoredObject storedObject2 = ma.allocate(10); |
| StoredObject storedObject3 = ma.allocate(10); |
| |
| assertThat(stats.getFreeMemory()).isLessThan(1024 * 1024); |
| assertThat(stats.getUsedMemory()).isGreaterThan(0); |
| await().untilAsserted(() -> assertThat(stats.getLargestFragment()).isLessThan(1024 * 1024)); |
| await().untilAsserted(() -> assertThat(stats.getFreedChunks()).isEqualTo(0)); |
| |
| ReferenceCounter.release(storedObject3.getAddress(), freeListManager); |
| ReferenceCounter.release(storedObject2.getAddress(), freeListManager); |
| |
| assertThat(stats.getFreeMemory()).isEqualTo(1024 * 1024); |
| assertThat(stats.getUsedMemory()).isEqualTo(0); |
| await().untilAsserted(() -> assertThat(stats.getLargestFragment()).isLessThan(1024 * 1024)); |
| await().untilAsserted(() -> assertThat(stats.getFreedChunks()).isEqualTo(2)); |
| } finally { |
| System.setProperty(MemoryAllocatorImpl.FREE_OFF_HEAP_MEMORY_PROPERTY, "true"); |
| try { |
| ma.close(); |
| } finally { |
| System.clearProperty(MemoryAllocatorImpl.FREE_OFF_HEAP_MEMORY_PROPERTY); |
| } |
| } |
| } |
| } |