/*
* Copyright 2002-2007 the original author or authors.
*
* 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 org.springframework.core;
import java.util.IdentityHashMap;
import java.util.LinkedHashMap;
import java.util.LinkedHashSet;
import java.util.Map;
import java.util.Set;
import junit.framework.TestCase;
/**
* @author Darren Davison
* @author Juergen Hoeller
*/
public class CollectionFactoryTests extends TestCase {
public void testLinkedSet() {
Set set = CollectionFactory.createLinkedSetIfPossible(16);
assertTrue(set instanceof LinkedHashSet);
}
public void testLinkedMap() {
Map map = CollectionFactory.createLinkedMapIfPossible(16);
assertTrue(map instanceof LinkedHashMap);
}
public void testIdentityMap() {
Map map = CollectionFactory.createIdentityMapIfPossible(16);
assertTrue(map instanceof IdentityHashMap);
}
public void testConcurrentMap() {
Map map = CollectionFactory.createConcurrentMapIfPossible(16);
assertTrue(map.getClass().getName().endsWith("ConcurrentHashMap"));
}
public void testConcurrentMapWithExplicitInterface() {
ConcurrentMap map = CollectionFactory.createConcurrentMap(16);
assertTrue(map.getClass().getSuperclass().getName().endsWith("ConcurrentHashMap"));
map.putIfAbsent("key", "value1");
map.putIfAbsent("key", "value2");
assertEquals("value1", map.get("key"));
}
}