Coverage Summary for Class: MultimapContainsEntryTester (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");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  * http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 package com.google.common.collect.testing.google;
18 
19 import static com.google.common.collect.testing.features.CollectionSize.ZERO;
20 import static com.google.common.collect.testing.features.MapFeature.ALLOWS_NULL_KEYS;
21 import static com.google.common.collect.testing.features.MapFeature.ALLOWS_NULL_KEY_QUERIES;
22 import static com.google.common.collect.testing.features.MapFeature.ALLOWS_NULL_VALUES;
23 import static com.google.common.collect.testing.features.MapFeature.ALLOWS_NULL_VALUE_QUERIES;
24 
25 import com.google.common.annotations.GwtCompatible;
26 import com.google.common.collect.Multimap;
27 import com.google.common.collect.testing.features.CollectionSize;
28 import com.google.common.collect.testing.features.MapFeature;
29 import org.junit.Ignore;
30 
31 /**
32  * Tester for {@link Multimap#containsEntry}.
33  *
34  * @author Louis Wasserman
35  */
36 @GwtCompatible
37 @Ignore // Affects only Android test runner, which respects JUnit 4 annotations on JUnit 3 tests.
38 public class MultimapContainsEntryTester<K, V>
39     extends AbstractMultimapTester<K, V, Multimap<K, V>> {
40   @CollectionSize.Require(absent = ZERO)
41   public void testContainsEntryYes() {
42     assertTrue(multimap().containsEntry(k0(), v0()));
43   }
44 
45   public void testContainsEntryNo() {
46     assertFalse(multimap().containsEntry(k3(), v3()));
47   }
48 
49   public void testContainsEntryAgreesWithGet() {
50     for (K k : sampleKeys()) {
51       for (V v : sampleValues()) {
52         assertEquals(multimap().get(k).contains(v), multimap().containsEntry(k, v));
53       }
54     }
55   }
56 
57   @CollectionSize.Require(absent = ZERO)
58   @MapFeature.Require({ALLOWS_NULL_KEYS, ALLOWS_NULL_VALUES})
59   public void testContainsEntryNullYes() {
60     initMultimapWithNullKeyAndValue();
61     assertTrue(multimap().containsEntry(null, null));
62   }
63 
64   @MapFeature.Require({ALLOWS_NULL_KEY_QUERIES, ALLOWS_NULL_VALUE_QUERIES})
65   public void testContainsEntryNullNo() {
66     assertFalse(multimap().containsEntry(null, null));
67   }
68 
69   @MapFeature.Require(absent = ALLOWS_NULL_KEY_QUERIES)
70   public void testContainsEntryNullDisallowedBecauseKeyQueriesDisallowed() {
71     try {
72       multimap().containsEntry(null, v3());
73       fail("Expected NullPointerException");
74     } catch (NullPointerException expected) {
75       // success
76     }
77   }
78 
79   @MapFeature.Require(absent = ALLOWS_NULL_VALUE_QUERIES)
80   public void testContainsEntryNullDisallowedBecauseValueQueriesDisallowed() {
81     try {
82       multimap().containsEntry(k3(), null);
83       fail("Expected NullPointerException");
84     } catch (NullPointerException expected) {
85       // success
86     }
87   }
88 }