Coverage Summary for Class: BiMapPutTester (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.ONE;
20 import static com.google.common.collect.testing.features.CollectionSize.SEVERAL;
21 import static com.google.common.collect.testing.features.CollectionSize.ZERO;
22 import static com.google.common.collect.testing.features.MapFeature.ALLOWS_NULL_KEYS;
23 import static com.google.common.collect.testing.features.MapFeature.ALLOWS_NULL_VALUES;
24 import static com.google.common.collect.testing.features.MapFeature.SUPPORTS_PUT;
25 
26 import com.google.common.annotations.GwtCompatible;
27 import com.google.common.collect.testing.Helpers;
28 import com.google.common.collect.testing.features.CollectionSize;
29 import com.google.common.collect.testing.features.MapFeature;
30 import org.junit.Ignore;
31 
32 /** Tester for {@code BiMap.put} and {@code BiMap.forcePut}. */
33 @GwtCompatible
34 @Ignore // Affects only Android test runner, which respects JUnit 4 annotations on JUnit 3 tests.
35 public class BiMapPutTester<K, V> extends AbstractBiMapTester<K, V> {
36 
37   @SuppressWarnings("unchecked")
38   @MapFeature.Require(SUPPORTS_PUT)
39   @CollectionSize.Require(ZERO)
40   public void testPutWithSameValueFails() {
41     getMap().put(k0(), v0());
42     try {
43       getMap().put(k1(), v0());
44       fail("Expected IllegalArgumentException");
45     } catch (IllegalArgumentException expected) {
46       // success
47     }
48     // verify that the bimap is unchanged
49     expectAdded(e0());
50   }
51 
52   @SuppressWarnings("unchecked")
53   @MapFeature.Require(SUPPORTS_PUT)
54   @CollectionSize.Require(ZERO)
55   public void testPutPresentKeyDifferentValue() {
56     getMap().put(k0(), v0());
57     getMap().put(k0(), v1());
58     // verify that the bimap is changed, and that the old inverse mapping
59     // from v1 -> v0 is deleted
60     expectContents(Helpers.mapEntry(k0(), v1()));
61   }
62 
63   @SuppressWarnings("unchecked")
64   @MapFeature.Require(SUPPORTS_PUT)
65   @CollectionSize.Require(ZERO)
66   public void putDistinctKeysDistinctValues() {
67     getMap().put(k0(), v0());
68     getMap().put(k1(), v1());
69     expectAdded(e0(), e1());
70   }
71 
72   @SuppressWarnings("unchecked")
73   @MapFeature.Require(SUPPORTS_PUT)
74   @CollectionSize.Require(ONE)
75   public void testForcePutKeyPresent() {
76     getMap().forcePut(k0(), v1());
77     expectContents(Helpers.mapEntry(k0(), v1()));
78     assertFalse(getMap().containsValue(v0()));
79     assertNull(getMap().inverse().get(v0()));
80     assertEquals(1, getMap().size());
81     assertTrue(getMap().containsKey(k0()));
82   }
83 
84   @SuppressWarnings("unchecked")
85   @MapFeature.Require(SUPPORTS_PUT)
86   @CollectionSize.Require(ONE)
87   public void testForcePutValuePresent() {
88     getMap().forcePut(k1(), v0());
89     expectContents(Helpers.mapEntry(k1(), v0()));
90     assertEquals(k1(), getMap().inverse().get(v0()));
91     assertEquals(1, getMap().size());
92     assertFalse(getMap().containsKey(k0()));
93   }
94 
95   @SuppressWarnings("unchecked")
96   @MapFeature.Require(SUPPORTS_PUT)
97   @CollectionSize.Require(SEVERAL)
98   public void testForcePutKeyAndValuePresent() {
99     getMap().forcePut(k0(), v1());
100     expectContents(Helpers.mapEntry(k0(), v1()), Helpers.mapEntry(k2(), v2()));
101     assertEquals(2, getMap().size());
102     assertFalse(getMap().containsKey(k1()));
103     assertFalse(getMap().containsValue(v0()));
104   }
105 
106   @SuppressWarnings("unchecked")
107   @MapFeature.Require({SUPPORTS_PUT, ALLOWS_NULL_KEYS})
108   @CollectionSize.Require(ONE)
109   public void testForcePutNullKeyPresent() {
110     initMapWithNullKey();
111 
112     getMap().forcePut(null, v1());
113 
114     expectContents(Helpers.mapEntry((K) null, v1()));
115 
116     assertFalse(getMap().containsValue(v0()));
117 
118     assertTrue(getMap().containsValue(v1()));
119     assertTrue(getMap().inverse().containsKey(v1()));
120     assertNull(getMap().inverse().get(v1()));
121     assertEquals(v1(), getMap().get(null));
122     assertEquals(1, getMap().size());
123   }
124 
125   @SuppressWarnings("unchecked")
126   @MapFeature.Require({SUPPORTS_PUT, ALLOWS_NULL_VALUES})
127   @CollectionSize.Require(ONE)
128   public void testForcePutNullValuePresent() {
129     initMapWithNullValue();
130 
131     getMap().forcePut(k1(), null);
132 
133     expectContents(Helpers.mapEntry(k1(), (V) null));
134 
135     assertFalse(getMap().containsKey(k0()));
136 
137     assertTrue(getMap().containsKey(k1()));
138     assertTrue(getMap().inverse().containsKey(null));
139     assertNull(getMap().get(k1()));
140     assertEquals(k1(), getMap().inverse().get(null));
141     assertEquals(1, getMap().size());
142   }
143 
144   // nb: inverse is run through its own entire suite
145 
146   @SuppressWarnings("unchecked")
147   @MapFeature.Require(SUPPORTS_PUT)
148   @CollectionSize.Require(ZERO)
149   public void testInversePut() {
150     getMap().put(k0(), v0());
151     getMap().inverse().put(v1(), k1());
152     expectAdded(e0(), e1());
153   }
154 }