Coverage Summary for Class: ListReplaceAllTester (com.google.common.collect.testing.testers)

1 /*
2  * Copyright (C) 2015 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.testers;
18 
19 import static com.google.common.collect.testing.features.CollectionSize.ZERO;
20 import static com.google.common.collect.testing.features.ListFeature.SUPPORTS_SET;
21 
22 import com.google.common.annotations.GwtCompatible;
23 import com.google.common.collect.testing.features.CollectionSize;
24 import com.google.common.collect.testing.features.ListFeature;
25 import java.util.Collections;
26 import java.util.List;
27 import org.junit.Ignore;
28 
29 /**
30  * A generic JUnit test which tests {@link List#replaceAll}. Can't be invoked directly; please see
31  * {@link com.google.common.collect.testing.ListTestSuiteBuilder}.
32  *
33  * @author Louis Wasserman
34  */
35 @GwtCompatible
36 @Ignore // Affects only Android test runner, which respects JUnit 4 annotations on JUnit 3 tests.
37 public class ListReplaceAllTester<E> extends AbstractListTester<E> {
38   @ListFeature.Require(SUPPORTS_SET)
39   public void testReplaceAll() {
40     getList().replaceAll(e -> samples.e3());
41     expectContents(Collections.nCopies(getNumElements(), samples.e3()));
42   }
43 
44   @ListFeature.Require(SUPPORTS_SET)
45   public void testReplaceAll_changesSome() {
46     getList().replaceAll(e -> e.equals(samples.e0()) ? samples.e3() : e);
47     E[] expected = createSamplesArray();
48     for (int i = 0; i < expected.length; i++) {
49       if (expected[i].equals(samples.e0())) {
50         expected[i] = samples.e3();
51       }
52     }
53     expectContents(expected);
54   }
55 
56   @CollectionSize.Require(absent = ZERO)
57   @ListFeature.Require(absent = SUPPORTS_SET)
58   public void testReplaceAll_unsupported() {
59     try {
60       getList().replaceAll(e -> e);
61       fail("replaceAll() should throw UnsupportedOperationException");
62     } catch (UnsupportedOperationException expected) {
63     }
64     expectUnchanged();
65   }
66 }