1 /* 2 * Copyright (C) 2013 The Guava Authors 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except 5 * in compliance with the License. You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software distributed under the License 10 * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express 11 * or implied. See the License for the specific language governing permissions and limitations under 12 * the License. 13 */ 14 15 package com.google.common.collect.testing.google; 16 17 import static com.google.common.collect.testing.features.CollectionSize.SEVERAL; 18 import static com.google.common.collect.testing.features.MapFeature.SUPPORTS_REMOVE; 19 20 import com.google.common.annotations.GwtCompatible; 21 import com.google.common.collect.Lists; 22 import com.google.common.collect.Maps; 23 import com.google.common.collect.Sets; 24 import com.google.common.collect.testing.Helpers; 25 import com.google.common.collect.testing.features.CollectionSize; 26 import com.google.common.collect.testing.features.MapFeature; 27 import com.google.common.testing.EqualsTester; 28 29 import java.util.ArrayList; 30 import java.util.Collection; 31 import java.util.Collections; 32 import java.util.List; 33 import java.util.Map; 34 import java.util.Map.Entry; 35 import java.util.Set; 36 37 /** 38 * Testers for {@link com.google.common.collect.ListMultimap#asMap}. 39 * 40 * @author Louis Wasserman 41 * @param <K> The key type of the tested multimap. 42 * @param <V> The value type of the tested multimap. 43 */ 44 @GwtCompatible 45 public class ListMultimapAsMapTester<K, V> extends AbstractListMultimapTester<K, V> { testAsMapValuesImplementList()46 public void testAsMapValuesImplementList() { 47 for (Collection<V> valueCollection : multimap().asMap().values()) { 48 assertTrue(valueCollection instanceof List); 49 } 50 } 51 testAsMapGetImplementsList()52 public void testAsMapGetImplementsList() { 53 for (K key : multimap().keySet()) { 54 assertTrue(multimap().asMap().get(key) instanceof List); 55 } 56 } 57 58 @MapFeature.Require(SUPPORTS_REMOVE) testAsMapRemoveImplementsList()59 public void testAsMapRemoveImplementsList() { 60 List<K> keys = new ArrayList<K>(multimap().keySet()); 61 for (K key : keys) { 62 resetCollection(); 63 assertTrue(multimap().asMap().remove(key) instanceof List); 64 } 65 } 66 67 @CollectionSize.Require(SEVERAL) testEquals()68 public void testEquals() { 69 resetContainer( 70 Helpers.mapEntry(sampleKeys().e0, sampleValues().e0), 71 Helpers.mapEntry(sampleKeys().e1, sampleValues().e0), 72 Helpers.mapEntry(sampleKeys().e0, sampleValues().e3)); 73 Map<K, Collection<V>> expected = Maps.newHashMap(); 74 expected.put(sampleKeys().e0, Lists.newArrayList(sampleValues().e0, sampleValues().e3)); 75 expected.put(sampleKeys().e1, Lists.newArrayList(sampleValues().e0)); 76 new EqualsTester() 77 .addEqualityGroup(expected, multimap().asMap()) 78 .testEquals(); 79 } 80 81 @CollectionSize.Require(SEVERAL) testEntrySetEquals()82 public void testEntrySetEquals() { 83 resetContainer( 84 Helpers.mapEntry(sampleKeys().e0, sampleValues().e0), 85 Helpers.mapEntry(sampleKeys().e1, sampleValues().e0), 86 Helpers.mapEntry(sampleKeys().e0, sampleValues().e3)); 87 Set<Entry<K, Collection<V>>> expected = Sets.newHashSet(); 88 expected.add(Helpers.mapEntry( 89 sampleKeys().e0, 90 (Collection<V>) Lists.newArrayList(sampleValues().e0, sampleValues().e3))); 91 expected.add(Helpers.mapEntry( 92 sampleKeys().e1, 93 (Collection<V>) Lists.newArrayList(sampleValues().e0))); 94 new EqualsTester() 95 .addEqualityGroup(expected, multimap().asMap().entrySet()) 96 .testEquals(); 97 } 98 99 @CollectionSize.Require(SEVERAL) 100 @MapFeature.Require(SUPPORTS_REMOVE) testValuesRemove()101 public void testValuesRemove() { 102 resetContainer( 103 Helpers.mapEntry(sampleKeys().e0, sampleValues().e0), 104 Helpers.mapEntry(sampleKeys().e1, sampleValues().e0), 105 Helpers.mapEntry(sampleKeys().e0, sampleValues().e3)); 106 assertTrue(multimap().asMap().values().remove(Collections.singletonList(sampleValues().e0))); 107 assertEquals(2, multimap().size()); 108 assertEquals( 109 Collections.singletonMap( 110 sampleKeys().e0, Lists.newArrayList(sampleValues().e0, sampleValues().e3)), 111 multimap().asMap()); 112 } 113 } 114