001/*
002 * Copyright (C) 2012 The Guava Authors
003 *
004 * Licensed under the Apache License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 * http://www.apache.org/licenses/LICENSE-2.0
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 */
016
017package com.google.common.collect.testing.google;
018
019import static com.google.common.collect.testing.features.CollectionFeature.SUPPORTS_ITERATOR_REMOVE;
020import static com.google.common.collect.testing.features.CollectionSize.ZERO;
021import static com.google.common.collect.testing.features.MapFeature.SUPPORTS_REMOVE;
022
023import com.google.common.annotations.GwtCompatible;
024import com.google.common.collect.testing.features.CollectionFeature;
025import com.google.common.collect.testing.features.CollectionSize;
026import com.google.common.collect.testing.features.MapFeature;
027import java.util.Iterator;
028
029/**
030 * Tester for {@code BiMap.remove}.
031 *
032 * @author Louis Wasserman
033 */
034@GwtCompatible
035public class BiMapRemoveTester<K, V> extends AbstractBiMapTester<K, V> {
036  @MapFeature.Require(SUPPORTS_REMOVE)
037  @CollectionSize.Require(absent = ZERO)
038  public void testRemoveKeyRemovesFromInverse() {
039    getMap().remove(k0());
040    expectMissing(e0());
041  }
042
043  @MapFeature.Require(SUPPORTS_REMOVE)
044  @CollectionSize.Require(absent = ZERO)
045  public void testRemoveKeyFromKeySetRemovesFromInverse() {
046    getMap().keySet().remove(k0());
047    expectMissing(e0());
048  }
049
050  @MapFeature.Require(SUPPORTS_REMOVE)
051  @CollectionSize.Require(absent = ZERO)
052  public void testRemoveFromValuesRemovesFromInverse() {
053    getMap().values().remove(v0());
054    expectMissing(e0());
055  }
056
057  @MapFeature.Require(SUPPORTS_REMOVE)
058  @CollectionSize.Require(absent = ZERO)
059  public void testRemoveFromInverseRemovesFromForward() {
060    getMap().inverse().remove(v0());
061    expectMissing(e0());
062  }
063
064  @MapFeature.Require(SUPPORTS_REMOVE)
065  @CollectionSize.Require(absent = ZERO)
066  public void testRemoveFromInverseKeySetRemovesFromForward() {
067    getMap().inverse().keySet().remove(v0());
068    expectMissing(e0());
069  }
070
071  @MapFeature.Require(SUPPORTS_REMOVE)
072  @CollectionSize.Require(absent = ZERO)
073  public void testRemoveFromInverseValuesRemovesFromInverse() {
074    getMap().inverse().values().remove(k0());
075    expectMissing(e0());
076  }
077
078  @CollectionFeature.Require(SUPPORTS_ITERATOR_REMOVE)
079  @CollectionSize.Require(absent = ZERO)
080  public void testKeySetIteratorRemove() {
081    int initialSize = getNumElements();
082    Iterator<K> iterator = getMap().keySet().iterator();
083    iterator.next();
084    iterator.remove();
085    assertEquals(initialSize - 1, getMap().size());
086    assertEquals(initialSize - 1, getMap().inverse().size());
087  }
088}