blob: 302df11e179a59803a0864872a2575e23fab0699 (
plain)
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
|
/*
* Copyright (C) 2008 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.testers;
import static com.google.common.collect.testing.features.CollectionSize.ZERO;
import static com.google.common.collect.testing.features.MapFeature.SUPPORTS_CLEAR;
import com.google.common.collect.testing.AbstractMapTester;
import com.google.common.collect.testing.features.CollectionSize;
import com.google.common.collect.testing.features.MapFeature;
/**
* A generic JUnit test which tests {@code clear()} operations on a map.
* Can't be invoked directly; please see
* {@link com.google.common.collect.testing.MapTestSuiteBuilder}.
*
* <p>This class is GWT compatible.
*
* @author George van den Driessche
* @author Chris Povirk
*/
public class MapClearTester<K, V> extends AbstractMapTester<K, V> {
@MapFeature.Require(SUPPORTS_CLEAR)
public void testClear() {
getMap().clear();
assertTrue("After clear(), a map should be empty.",
getMap().isEmpty());
}
@MapFeature.Require(absent = SUPPORTS_CLEAR)
@CollectionSize.Require(absent = ZERO)
public void testClear_unsupported() {
try {
getMap().clear();
fail("clear() should throw UnsupportedOperation if a map does "
+ "not support it and is not empty.");
} catch (UnsupportedOperationException expected) {
}
expectUnchanged();
}
@MapFeature.Require(absent = SUPPORTS_CLEAR)
@CollectionSize.Require(ZERO)
public void testClear_unsupportedByEmptyCollection() {
try {
getMap().clear();
} catch (UnsupportedOperationException tolerated) {
}
expectUnchanged();
}
}
|