/*
* Copyright (c) 2008-2017, Hazelcast, Inc. All Rights Reserved.
*
* 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.hazelcast.multimap;
import com.hazelcast.config.Config;
import com.hazelcast.config.MultiMapConfig;
import com.hazelcast.core.HazelcastInstance;
import com.hazelcast.core.MultiMap;
import com.hazelcast.test.HazelcastParallelClassRunner;
import com.hazelcast.test.HazelcastTestSupport;
import com.hazelcast.test.TestHazelcastInstanceFactory;
import com.hazelcast.test.annotation.ParallelTest;
import com.hazelcast.test.annotation.QuickTest;
import org.junit.Test;
import org.junit.experimental.categories.Category;
import org.junit.runner.RunWith;
import java.util.Collection;
import java.util.List;
import java.util.Set;
import static org.junit.Assert.assertTrue;
@RunWith(HazelcastParallelClassRunner.class)
@Category({QuickTest.class, ParallelTest.class})
public class MultiMapReturnedCollectionTest extends HazelcastTestSupport {
@Test
public void testGet_withSetBackedValueCollection() throws Exception {
MultiMap<Integer, Integer> multiMap = createMultiMapWithCollectionType(MultiMapConfig.ValueCollectionType.SET, 2);
multiMap.put(0, 1);
multiMap.put(0, 2);
multiMap.put(0, 3);
Collection<Integer> collection = multiMap.get(0);
assertTrue(collection instanceof Set);
}
@Test
public void testGet_withSetBackedValueCollection_onEmptyMultiMap() throws Exception {
MultiMap<Integer, Integer> multiMap = createMultiMapWithCollectionType(MultiMapConfig.ValueCollectionType.SET, 2);
Collection<Integer> collection = multiMap.get(0);
assertTrue(collection instanceof Set);
}
@Test
public void testGet_withListBackedValueCollection() throws Exception {
MultiMap<Integer, Integer> multiMap = createMultiMapWithCollectionType(MultiMapConfig.ValueCollectionType.LIST, 2);
multiMap.put(0, 1);
multiMap.put(0, 2);
multiMap.put(0, 3);
Collection<Integer> collection = multiMap.get(0);
assertTrue(collection instanceof List);
}
@Test
public void testGet_withListBackedValueCollection_onEmptyMultiMap() throws Exception {
MultiMap<Integer, Integer> multiMap = createMultiMapWithCollectionType(MultiMapConfig.ValueCollectionType.LIST, 2);
Collection<Integer> collection = multiMap.get(0);
assertTrue(collection instanceof List);
}
@Test
public void testRemove_withSetBackedValueCollection() throws Exception {
MultiMap<Integer, Integer> multiMap = createMultiMapWithCollectionType(MultiMapConfig.ValueCollectionType.SET, 2);
multiMap.put(0, 1);
multiMap.put(0, 2);
multiMap.put(0, 3);
Collection<Integer> collection = multiMap.remove(0);
assertTrue(collection instanceof Set);
}
@Test
public void testRemove_withSetBackedValueCollection_onEmptyMultiMap() throws Exception {
MultiMap<Integer, Integer> multiMap = createMultiMapWithCollectionType(MultiMapConfig.ValueCollectionType.SET, 2);
Collection<Integer> collection = multiMap.remove(0);
assertTrue(collection instanceof Set);
}
@Test
public void testRemove_withListBackedValueCollection() throws Exception {
MultiMap<Integer, Integer> multiMap = createMultiMapWithCollectionType(MultiMapConfig.ValueCollectionType.LIST, 2);
multiMap.put(0, 1);
multiMap.put(0, 2);
multiMap.put(0, 3);
Collection<Integer> collection = multiMap.remove(0);
assertTrue(collection instanceof List);
}
@Test
public void testRemove_withListBackedValueCollection_onEmptyMultiMap() throws Exception {
MultiMap<Integer, Integer> multiMap = createMultiMapWithCollectionType(MultiMapConfig.ValueCollectionType.LIST, 2);
Collection<Integer> collection = multiMap.remove(0);
assertTrue(collection instanceof List);
}
private MultiMap<Integer, Integer> createMultiMapWithCollectionType(MultiMapConfig.ValueCollectionType collectionType, int nodeCount) {
String multiMapName = randomMapName();
Config config = new Config();
config.getMultiMapConfig(multiMapName).setValueCollectionType(collectionType);
TestHazelcastInstanceFactory factory = createHazelcastInstanceFactory(nodeCount);
final HazelcastInstance[] instances = factory.newInstances(config);
return instances[0].getMultiMap(multiMapName);
}
}