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;
028import org.junit.Ignore;
029
030/**
031 * Tester for {@code BiMap.remove}.
032 *
033 * @author Louis Wasserman
034 */
035@GwtCompatible
036@Ignore("test runners must not instantiate and run this directly, only via suites we build")
037// @Ignore affects the Android test runner, which respects JUnit 4 annotations on JUnit 3 tests.
038@SuppressWarnings("JUnit4ClassUsedInJUnit3")
039public class BiMapRemoveTester<K, V> extends AbstractBiMapTester<K, V> {
040  @MapFeature.Require(SUPPORTS_REMOVE)
041  @CollectionSize.Require(absent = ZERO)
042  public void testRemoveKeyRemovesFromInverse() {
043    getMap().remove(k0());
044    expectMissing(e0());
045  }
046
047  @MapFeature.Require(SUPPORTS_REMOVE)
048  @CollectionSize.Require(absent = ZERO)
049  public void testRemoveKeyFromKeySetRemovesFromInverse() {
050    getMap().keySet().remove(k0());
051    expectMissing(e0());
052  }
053
054  @MapFeature.Require(SUPPORTS_REMOVE)
055  @CollectionSize.Require(absent = ZERO)
056  public void testRemoveFromValuesRemovesFromInverse() {
057    getMap().values().remove(v0());
058    expectMissing(e0());
059  }
060
061  @MapFeature.Require(SUPPORTS_REMOVE)
062  @CollectionSize.Require(absent = ZERO)
063  public void testRemoveFromInverseRemovesFromForward() {
064    getMap().inverse().remove(v0());
065    expectMissing(e0());
066  }
067
068  @MapFeature.Require(SUPPORTS_REMOVE)
069  @CollectionSize.Require(absent = ZERO)
070  public void testRemoveFromInverseKeySetRemovesFromForward() {
071    getMap().inverse().keySet().remove(v0());
072    expectMissing(e0());
073  }
074
075  @MapFeature.Require(SUPPORTS_REMOVE)
076  @CollectionSize.Require(absent = ZERO)
077  public void testRemoveFromInverseValuesRemovesFromInverse() {
078    getMap().inverse().values().remove(k0());
079    expectMissing(e0());
080  }
081
082  @CollectionFeature.Require(SUPPORTS_ITERATOR_REMOVE)
083  @CollectionSize.Require(absent = ZERO)
084  public void testKeySetIteratorRemove() {
085    int initialSize = getNumElements();
086    Iterator<K> iterator = getMap().keySet().iterator();
087    iterator.next();
088    iterator.remove();
089    assertEquals(initialSize - 1, getMap().size());
090    assertEquals(initialSize - 1, getMap().inverse().size());
091  }
092}