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; 022import static java.util.Arrays.asList; 023 024import com.google.common.annotations.GwtCompatible; 025import com.google.common.collect.ListMultimap; 026import com.google.common.collect.testing.features.CollectionSize; 027import com.google.common.collect.testing.features.MapFeature; 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("test runners must not instantiate and run this directly, only via suites we build") 040// @Ignore affects the Android test runner, which respects JUnit 4 annotations on JUnit 3 tests. 041@SuppressWarnings("JUnit4ClassUsedInJUnit3") 042public class ListMultimapRemoveTester<K, V> extends AbstractListMultimapTester<K, V> { 043 @MapFeature.Require(SUPPORTS_REMOVE) 044 @CollectionSize.Require(SEVERAL) 045 public void testMultimapRemoveDeletesFirstOccurrence() { 046 resetContainer(mapEntry(k0(), v0()), mapEntry(k0(), v1()), mapEntry(k0(), v0())); 047 048 List<V> list = multimap().get(k0()); 049 multimap().remove(k0(), v0()); 050 assertContentsInOrder(list, v1(), v0()); 051 } 052 053 @MapFeature.Require(SUPPORTS_REMOVE) 054 @CollectionSize.Require(SEVERAL) 055 public void testRemoveAtIndexFromGetPropagates() { 056 List<V> values = asList(v0(), v1(), v0()); 057 058 for (int i = 0; i < 3; i++) { 059 resetContainer(mapEntry(k0(), v0()), mapEntry(k0(), v1()), mapEntry(k0(), v0())); 060 List<V> expectedValues = copyToList(values); 061 062 multimap().get(k0()).remove(i); 063 expectedValues.remove(i); 064 065 assertGet(k0(), expectedValues); 066 } 067 } 068 069 @MapFeature.Require(SUPPORTS_REMOVE) 070 @CollectionSize.Require(SEVERAL) 071 public void testRemoveAtIndexFromAsMapPropagates() { 072 List<V> values = asList(v0(), v1(), v0()); 073 074 for (int i = 0; i < 3; i++) { 075 resetContainer(mapEntry(k0(), v0()), mapEntry(k0(), v1()), mapEntry(k0(), v0())); 076 List<V> expectedValues = copyToList(values); 077 078 List<V> asMapValue = (List<V>) multimap().asMap().get(k0()); 079 asMapValue.remove(i); 080 expectedValues.remove(i); 081 082 assertGet(k0(), expectedValues); 083 } 084 } 085 086 @MapFeature.Require(SUPPORTS_REMOVE) 087 @CollectionSize.Require(SEVERAL) 088 public void testRemoveAtIndexFromAsMapEntrySetPropagates() { 089 List<V> values = asList(v0(), v1(), v0()); 090 091 for (int i = 0; i < 3; i++) { 092 resetContainer(mapEntry(k0(), v0()), mapEntry(k0(), v1()), mapEntry(k0(), v0())); 093 List<V> expectedValues = copyToList(values); 094 095 Entry<K, Collection<V>> asMapEntry = multimap().asMap().entrySet().iterator().next(); 096 List<V> asMapValue = (List<V>) asMapEntry.getValue(); 097 asMapValue.remove(i); 098 expectedValues.remove(i); 099 100 assertGet(k0(), expectedValues); 101 } 102 } 103}