1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
|
/*
* Copyright (C) 2012 The Guava Authors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.google.common.collect.testing.google;
import static com.google.common.collect.testing.features.CollectionFeature.SERIALIZABLE;
import com.google.common.annotations.GwtCompatible;
import com.google.common.collect.BiMap;
import com.google.common.collect.testing.features.CollectionFeature;
import com.google.common.testing.SerializableTester;
import java.io.Serializable;
/**
* Tests for the {@code inverse} view of a BiMap.
*
* <p>This assumes that {@code bimap.inverse().inverse() == bimap}, which is not technically
* required but is fulfilled by all current implementations.
*
* @author Louis Wasserman
*/
@GwtCompatible(emulated = true)
public class BiMapInverseTester<K, V> extends AbstractBiMapTester<K, V> {
public void testInverseSame() {
assertSame(getMap(), getMap().inverse().inverse());
}
@CollectionFeature.Require(SERIALIZABLE)
public void testInverseSerialization() {
BiMapPair<K, V> pair = new BiMapPair<K, V>(getMap());
BiMapPair<K, V> copy = SerializableTester.reserialize(pair);
assertEquals(pair.forward, copy.forward);
assertEquals(pair.backward, copy.backward);
assertSame(copy.backward, copy.forward.inverse());
assertSame(copy.forward, copy.backward.inverse());
}
private static class BiMapPair<K, V> implements Serializable {
final BiMap<K, V> forward;
final BiMap<V, K> backward;
BiMapPair(BiMap<K, V> original) {
this.forward = original;
this.backward = original.inverse();
}
private static final long serialVersionUID = 0;
}
}
|
