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
15package com.google.common.collect.testing.google;
16
17import static com.google.common.collect.testing.features.CollectionFeature.KNOWN_ORDER;
18import static com.google.common.collect.testing.features.CollectionFeature.SUPPORTS_ITERATOR_REMOVE;
19import static com.google.common.collect.testing.features.CollectionSize.ONE;
20import static com.google.common.truth.Truth.assertThat;
21
22import com.google.common.annotations.GwtCompatible;
23import com.google.common.collect.Lists;
24import com.google.common.collect.Multimap;
25import com.google.common.collect.testing.features.CollectionFeature;
26import com.google.common.collect.testing.features.CollectionSize;
27
28import java.util.Iterator;
29import java.util.List;
30import java.util.Map;
31
32/**
33 * Tester for {@code Multimap.values}.
34 *
35 * @author Louis Wasserman
36 */
37@GwtCompatible
38public class MultimapValuesTester<K, V> extends AbstractMultimapTester<K, V, Multimap<K, V>> {
39  public void testValues() {
40    List<V> expected = Lists.newArrayList();
41    for (Map.Entry<K, V> entry : getSampleElements()) {
42      expected.add(entry.getValue());
43    }
44    assertThat(multimap().values()).has().exactlyAs(expected);
45  }
46
47  @CollectionFeature.Require(KNOWN_ORDER)
48  public void testValuesInOrder() {
49    List<V> expected = Lists.newArrayList();
50    for (Map.Entry<K, V> entry : getOrderedElements()) {
51      expected.add(entry.getValue());
52    }
53    assertThat(multimap().values()).has().exactlyAs(expected).inOrder();
54  }
55
56
57  @CollectionFeature.Require(SUPPORTS_ITERATOR_REMOVE)
58  @CollectionSize.Require(ONE)
59  public void testValuesIteratorRemove() {
60    Iterator<V> valuesItr = multimap().values().iterator();
61    valuesItr.next();
62    valuesItr.remove();
63    assertTrue(multimap().isEmpty());
64  }
65}
66