001/*
002 * Copyright (C) 2012 The Guava Authors
003 *
004 * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
005 * in compliance with the License. You may obtain a copy of the License at
006 *
007 * http://www.apache.org/licenses/LICENSE-2.0
008 *
009 * Unless required by applicable law or agreed to in writing, software distributed under the License
010 * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
011 * or implied. See the License for the specific language governing permissions and limitations under
012 * the License.
013 */
014
015package com.google.common.collect.testing.google;
016
017import static com.google.common.collect.testing.Helpers.assertContentsInOrder;
018import static com.google.common.collect.testing.Helpers.copyToList;
019import static com.google.common.collect.testing.Helpers.mapEntry;
020import static com.google.common.collect.testing.features.CollectionSize.SEVERAL;
021import static com.google.common.collect.testing.features.MapFeature.SUPPORTS_REMOVE;
022
023import com.google.common.annotations.GwtCompatible;
024import com.google.common.collect.ListMultimap;
025import com.google.common.collect.testing.features.CollectionSize;
026import com.google.common.collect.testing.features.MapFeature;
027import java.util.Arrays;
028import java.util.Collection;
029import java.util.List;
030import java.util.Map.Entry;
031import org.junit.Ignore;
032
033/**
034 * Testers for {@link ListMultimap#remove(Object, Object)}.
035 *
036 * @author Louis Wasserman
037 */
038@GwtCompatible
039@Ignore // Affects only Android test runner, which respects JUnit 4 annotations on JUnit 3 tests.
040public class ListMultimapRemoveTester<K, V> extends AbstractListMultimapTester<K, V> {
041  @MapFeature.Require(SUPPORTS_REMOVE)
042  @CollectionSize.Require(SEVERAL)
043  public void testMultimapRemoveDeletesFirstOccurrence() {
044    resetContainer(mapEntry(k0(), v0()), mapEntry(k0(), v1()), mapEntry(k0(), v0()));
045
046    List<V> list = multimap().get(k0());
047    multimap().remove(k0(), v0());
048    assertContentsInOrder(list, v1(), v0());
049  }
050
051  @MapFeature.Require(SUPPORTS_REMOVE)
052  @CollectionSize.Require(SEVERAL)
053  public void testRemoveAtIndexFromGetPropagates() {
054    List<V> values = Arrays.asList(v0(), v1(), v0());
055
056    for (int i = 0; i < 3; i++) {
057      resetContainer(mapEntry(k0(), v0()), mapEntry(k0(), v1()), mapEntry(k0(), v0()));
058      List<V> expectedValues = copyToList(values);
059
060      multimap().get(k0()).remove(i);
061      expectedValues.remove(i);
062
063      assertGet(k0(), expectedValues);
064    }
065  }
066
067  @MapFeature.Require(SUPPORTS_REMOVE)
068  @CollectionSize.Require(SEVERAL)
069  public void testRemoveAtIndexFromAsMapPropagates() {
070    List<V> values = Arrays.asList(v0(), v1(), v0());
071
072    for (int i = 0; i < 3; i++) {
073      resetContainer(mapEntry(k0(), v0()), mapEntry(k0(), v1()), mapEntry(k0(), v0()));
074      List<V> expectedValues = copyToList(values);
075
076      List<V> asMapValue = (List<V>) multimap().asMap().get(k0());
077      asMapValue.remove(i);
078      expectedValues.remove(i);
079
080      assertGet(k0(), expectedValues);
081    }
082  }
083
084  @MapFeature.Require(SUPPORTS_REMOVE)
085  @CollectionSize.Require(SEVERAL)
086  public void testRemoveAtIndexFromAsMapEntrySetPropagates() {
087    List<V> values = Arrays.asList(v0(), v1(), v0());
088
089    for (int i = 0; i < 3; i++) {
090      resetContainer(mapEntry(k0(), v0()), mapEntry(k0(), v1()), mapEntry(k0(), v0()));
091      List<V> expectedValues = copyToList(values);
092
093      Entry<K, Collection<V>> asMapEntry = multimap().asMap().entrySet().iterator().next();
094      List<V> asMapValue = (List<V>) asMapEntry.getValue();
095      asMapValue.remove(i);
096      expectedValues.remove(i);
097
098      assertGet(k0(), expectedValues);
099    }
100  }
101}