Coverage Summary for Class: SetMultimapPutTester (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.copyToList;
18 import static com.google.common.collect.testing.Helpers.copyToSet;
19 import static com.google.common.collect.testing.features.CollectionSize.ZERO;
20 import static com.google.common.collect.testing.features.MapFeature.ALLOWS_NULL_VALUES;
21 import static com.google.common.collect.testing.features.MapFeature.SUPPORTS_PUT;
22 
23 import com.google.common.annotations.GwtCompatible;
24 import com.google.common.collect.SetMultimap;
25 import com.google.common.collect.testing.features.CollectionSize;
26 import com.google.common.collect.testing.features.MapFeature;
27 import java.util.List;
28 import java.util.Map.Entry;
29 import java.util.Set;
30 import org.junit.Ignore;
31 
32 /**
33  * Tests for {@link SetMultimap#replaceValues}.
34  *
35  * @author Louis Wasserman
36  */
37 @GwtCompatible
38 @Ignore // Affects only Android test runner, which respects JUnit 4 annotations on JUnit 3 tests.
39 public class SetMultimapPutTester<K, V> extends AbstractMultimapTester<K, V, SetMultimap<K, V>> {
40   // Tests for non-duplicate values are in MultimapPutTester
41 
42   @MapFeature.Require(SUPPORTS_PUT)
43   @CollectionSize.Require(absent = ZERO)
44   public void testPutDuplicateValuePreservesSize() {
45     assertFalse(multimap().put(k0(), v0()));
46     assertEquals(getNumElements(), multimap().size());
47   }
48 
49   @MapFeature.Require(SUPPORTS_PUT)
50   public void testPutDuplicateValue() {
51     List<Entry<K, V>> entries = copyToList(multimap().entries());
52 
53     for (Entry<K, V> entry : entries) {
54       resetContainer();
55       K k = entry.getKey();
56       V v = entry.getValue();
57 
58       Set<V> values = multimap().get(k);
59       Set<V> expectedValues = copyToSet(values);
60 
61       assertFalse(multimap().put(k, v));
62       assertEquals(expectedValues, values);
63       assertGet(k, expectedValues);
64     }
65   }
66 
67   @MapFeature.Require({SUPPORTS_PUT, ALLOWS_NULL_VALUES})
68   @CollectionSize.Require(absent = ZERO)
69   public void testPutDuplicateValue_null() {
70     initMultimapWithNullValue();
71     assertFalse(multimap().put(getKeyForNullValue(), null));
72     expectContents(createArrayWithNullValue());
73   }
74 }