| /* |
| * 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.cache; |
| |
| import static org.apache.geode.test.dunit.Host.getHost; |
| import static org.assertj.core.api.Assertions.assertThat; |
| |
| import java.util.Map.Entry; |
| |
| import org.junit.Before; |
| import org.junit.Rule; |
| import org.junit.Test; |
| |
| import org.apache.geode.cache.Region; |
| import org.apache.geode.cache.RegionShortcut; |
| import org.apache.geode.test.dunit.AsyncInvocation; |
| import org.apache.geode.test.dunit.VM; |
| import org.apache.geode.test.dunit.cache.CacheTestCase; |
| import org.apache.geode.test.junit.rules.serializable.SerializableTestName; |
| |
| /** |
| * Iterating over Region.entrySet() should not return null for PartitionedRegion. |
| * |
| * <p> |
| * TRAC #45164: Iterating on Region.entrySet() can return null on partitioned region |
| */ |
| |
| public class PREntrySetIteratorRegressionTest extends CacheTestCase { |
| |
| private static final int ENTRY_COUNT = 10_000; |
| private static final int ENTRY_DESTROY_SEQUENCE = 3; |
| |
| private String uniqueName; |
| |
| private VM vm1; |
| private VM vm2; |
| |
| @Rule |
| public SerializableTestName testName = new SerializableTestName(); |
| |
| @Before |
| public void setUp() throws Exception { |
| vm1 = getHost(0).getVM(1); |
| vm2 = getHost(0).getVM(2); |
| |
| uniqueName = getClass().getSimpleName() + "_" + testName.getMethodName(); |
| |
| vm1.invoke(() -> createPartitionedRegion()); |
| vm2.invoke(() -> createPartitionedRegion()); |
| |
| vm1.invoke(() -> doPuts()); |
| } |
| |
| @Test |
| public void regionEntrySetIteratorNextShouldNeverReturnNull() throws Exception { |
| AsyncInvocation destroySomeEntries = vm1.invokeAsync(() -> { |
| Region<Integer, Object> region = getCache().getRegion(uniqueName); |
| for (int j = 0; j < ENTRY_COUNT / ENTRY_DESTROY_SEQUENCE; j += ENTRY_DESTROY_SEQUENCE) { |
| region.destroy(j); |
| } |
| }); |
| |
| AsyncInvocation validateEntrySetIteratorContainsNoNulls = vm2.invokeAsync(() -> { |
| Region<Integer, Object> region = getCache().getRegion(uniqueName); |
| for (Entry<Integer, Object> entry : region.entrySet()) { |
| assertThat(entry).isNotNull(); |
| } |
| }); |
| |
| destroySomeEntries.await(); |
| validateEntrySetIteratorContainsNoNulls.await(); |
| } |
| |
| private void createPartitionedRegion() { |
| getCache().<Integer, Object>createRegionFactory(RegionShortcut.PARTITION).create(uniqueName); |
| } |
| |
| private void doPuts() { |
| Region<Integer, Object> region = getCache().getRegion(uniqueName); |
| for (int i = 0; i < ENTRY_COUNT; i++) { |
| region.put(i, i); |
| } |
| } |
| } |