/* * Copyright (C) 2008 The Guava 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 com.google.common.collect; import java.util.concurrent.ConcurrentSkipListMap; import java.util.concurrent.atomic.AtomicInteger; /** * Unit test for {@link ConcurrentHashMultiset} behavior when backed by * {@link ConcurrentSkipListMap}. User code cannot create such a multiset, since * the constructor we use here is package-private, but * {@link ConcurrentHashMultiset} should work regardless of the type of its * backing map, and it's possible that this test could catch a bug that the * standard test doesn't. * * @author Chris Povirk * @author Jared Levy */ public class ConcurrentHashMultisetWithCslmTest extends AbstractConcurrentHashMultisetTest { @Override protected <E> Multiset<E> create() { return new ConcurrentHashMultiset<E>( new ConcurrentSkipListMap<E, AtomicInteger>()); } }