| /* |
| * Copyright (C) 2012 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.IdentityHashMap; |
| import java.util.Iterator; |
| import java.util.Map.Entry; |
| import junit.framework.TestCase; |
| |
| /** |
| * Tests for {@code AbstractBiMap}. |
| * |
| * @author Mike Bostock |
| */ |
| public class AbstractBiMapTest extends TestCase { |
| |
| // The next two tests verify that map entries are not accessed after they're |
| // removed, since IdentityHashMap throws an exception when that occurs. |
| @SuppressWarnings("IdentityHashMapBoxing") // explicitly testing IdentityHashMap |
| public void testIdentityKeySetIteratorRemove() { |
| BiMap<Integer, String> bimap = |
| new AbstractBiMap<Integer, String>( |
| new IdentityHashMap<Integer, String>(), new IdentityHashMap<String, Integer>()) {}; |
| bimap.put(1, "one"); |
| bimap.put(2, "two"); |
| bimap.put(3, "three"); |
| Iterator<Integer> iterator = bimap.keySet().iterator(); |
| iterator.next(); |
| iterator.next(); |
| iterator.remove(); |
| iterator.next(); |
| iterator.remove(); |
| assertEquals(1, bimap.size()); |
| assertEquals(1, bimap.inverse().size()); |
| } |
| |
| @SuppressWarnings("IdentityHashMapBoxing") // explicitly testing IdentityHashMap |
| public void testIdentityEntrySetIteratorRemove() { |
| BiMap<Integer, String> bimap = |
| new AbstractBiMap<Integer, String>( |
| new IdentityHashMap<Integer, String>(), new IdentityHashMap<String, Integer>()) {}; |
| bimap.put(1, "one"); |
| bimap.put(2, "two"); |
| bimap.put(3, "three"); |
| Iterator<Entry<Integer, String>> iterator = bimap.entrySet().iterator(); |
| iterator.next(); |
| iterator.next(); |
| iterator.remove(); |
| iterator.next(); |
| iterator.remove(); |
| assertEquals(1, bimap.size()); |
| assertEquals(1, bimap.inverse().size()); |
| } |
| } |