blob: 2ede66405b0b04b40590a3a419e554429161e67c (
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
|
/*
* 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.CollectionFeature.SUPPORTS_RETAIN_ALL;
import static com.google.common.collect.testing.features.CollectionSize.ONE;
import static com.google.common.collect.testing.features.CollectionSize.SEVERAL;
import static com.google.common.collect.testing.features.CollectionSize.ZERO;
import com.google.common.collect.testing.MinimalCollection;
import com.google.common.collect.testing.features.CollectionFeature;
import com.google.common.collect.testing.features.CollectionSize;
/**
* A generic JUnit test which tests {@code retainAll} operations on a list.
* Can't be invoked directly; please see
* {@link com.google.common.collect.testing.ListTestSuiteBuilder}.
*
* <p>This class is GWT compatible.
*
* @author Chris Povirk
*/
public class ListRetainAllTester<E> extends AbstractListTester<E> {
@CollectionFeature.Require(SUPPORTS_RETAIN_ALL)
@CollectionSize.Require(absent = {ZERO, ONE})
public void testRetainAll_duplicatesKept() {
E[] array = createSamplesArray();
array[1] = samples.e0;
collection = getSubjectGenerator().create(array);
assertFalse("containsDuplicates.retainAll(superset) should return false",
collection.retainAll(MinimalCollection.of(createSamplesArray())));
expectContents(array);
}
@SuppressWarnings("unchecked")
@CollectionFeature.Require(SUPPORTS_RETAIN_ALL)
@CollectionSize.Require(SEVERAL)
public void testRetainAll_duplicatesRemoved() {
E[] array = createSamplesArray();
array[1] = samples.e0;
collection = getSubjectGenerator().create(array);
assertTrue("containsDuplicates.retainAll(subset) should return true",
collection.retainAll(MinimalCollection.of(samples.e2)));
expectContents(samples.e2);
}
}
|