Coverage Summary for Class: ListMultimapRemoveTester (com.google.common.collect.testing.google)

1 /*
2  * Copyright (C) 2012 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.Helpers.assertContentsInOrder;
18 import static com.google.common.collect.testing.Helpers.copyToList;
19 import static com.google.common.collect.testing.Helpers.mapEntry;
20 import static com.google.common.collect.testing.features.CollectionSize.SEVERAL;
21 import static com.google.common.collect.testing.features.MapFeature.SUPPORTS_REMOVE;
22 
23 import com.google.common.annotations.GwtCompatible;
24 import com.google.common.collect.ListMultimap;
25 import com.google.common.collect.testing.features.CollectionSize;
26 import com.google.common.collect.testing.features.MapFeature;
27 import java.util.Arrays;
28 import java.util.Collection;
29 import java.util.List;
30 import java.util.Map.Entry;
31 import org.junit.Ignore;
32 
33 /**
34  * Testers for {@link ListMultimap#remove(Object, Object)}.
35  *
36  * @author Louis Wasserman
37  */
38 @GwtCompatible
39 @Ignore // Affects only Android test runner, which respects JUnit 4 annotations on JUnit 3 tests.
40 public class ListMultimapRemoveTester<K, V> extends AbstractListMultimapTester<K, V> {
41   @SuppressWarnings("unchecked")
42   @MapFeature.Require(SUPPORTS_REMOVE)
43   @CollectionSize.Require(SEVERAL)
44   public void testMultimapRemoveDeletesFirstOccurrence() {
45     resetContainer(mapEntry(k0(), v0()), mapEntry(k0(), v1()), mapEntry(k0(), v0()));
46 
47     List<V> list = multimap().get(k0());
48     multimap().remove(k0(), v0());
49     assertContentsInOrder(list, v1(), v0());
50   }
51 
52   @SuppressWarnings("unchecked")
53   @MapFeature.Require(SUPPORTS_REMOVE)
54   @CollectionSize.Require(SEVERAL)
55   public void testRemoveAtIndexFromGetPropagates() {
56     List<V> values = Arrays.asList(v0(), v1(), v0());
57 
58     for (int i = 0; i < 3; i++) {
59       resetContainer(mapEntry(k0(), v0()), mapEntry(k0(), v1()), mapEntry(k0(), v0()));
60       List<V> expectedValues = copyToList(values);
61 
62       multimap().get(k0()).remove(i);
63       expectedValues.remove(i);
64 
65       assertGet(k0(), expectedValues);
66     }
67   }
68 
69   @SuppressWarnings("unchecked")
70   @MapFeature.Require(SUPPORTS_REMOVE)
71   @CollectionSize.Require(SEVERAL)
72   public void testRemoveAtIndexFromAsMapPropagates() {
73     List<V> values = Arrays.asList(v0(), v1(), v0());
74 
75     for (int i = 0; i < 3; i++) {
76       resetContainer(mapEntry(k0(), v0()), mapEntry(k0(), v1()), mapEntry(k0(), v0()));
77       List<V> expectedValues = copyToList(values);
78 
79       List<V> asMapValue = (List<V>) multimap().asMap().get(k0());
80       asMapValue.remove(i);
81       expectedValues.remove(i);
82 
83       assertGet(k0(), expectedValues);
84     }
85   }
86 
87   @SuppressWarnings("unchecked")
88   @MapFeature.Require(SUPPORTS_REMOVE)
89   @CollectionSize.Require(SEVERAL)
90   public void testRemoveAtIndexFromAsMapEntrySetPropagates() {
91     List<V> values = Arrays.asList(v0(), v1(), v0());
92 
93     for (int i = 0; i < 3; i++) {
94       resetContainer(mapEntry(k0(), v0()), mapEntry(k0(), v1()), mapEntry(k0(), v0()));
95       List<V> expectedValues = copyToList(values);
96 
97       Entry<K, Collection<V>> asMapEntry = multimap().asMap().entrySet().iterator().next();
98       List<V> asMapValue = (List<V>) asMapEntry.getValue();
99       asMapValue.remove(i);
100       expectedValues.remove(i);
101 
102       assertGet(k0(), expectedValues);
103     }
104   }
105 }