67 lines
2.3 KiB
Java
67 lines
2.3 KiB
Java
/*
|
|
* 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());
|
|
}
|
|
}
|