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

1 /*
2  * Copyright (C) 2008 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.CollectionFeature.SUPPORTS_REMOVE;
20 import static com.google.common.collect.testing.features.CollectionSize.ONE;
21 import static com.google.common.collect.testing.features.CollectionSize.ZERO;
22 
23 import com.google.common.annotations.GwtCompatible;
24 import com.google.common.collect.testing.MinimalCollection;
25 import com.google.common.collect.testing.features.CollectionFeature;
26 import com.google.common.collect.testing.features.CollectionSize;
27 import org.junit.Ignore;
28 
29 /**
30  * A generic JUnit test which tests removeAll operations on a list. Can't be invoked directly;
31  * please see {@link com.google.common.collect.testing.ListTestSuiteBuilder}.
32  *
33  * @author George van den Driessche
34  */
35 @SuppressWarnings("unchecked") // too many "unchecked generic array creations"
36 @GwtCompatible
37 @Ignore // Affects only Android test runner, which respects JUnit 4 annotations on JUnit 3 tests.
38 public class ListRemoveAllTester<E> extends AbstractListTester<E> {
39   @CollectionFeature.Require(SUPPORTS_REMOVE)
40   @CollectionSize.Require(absent = {ZERO, ONE})
41   public void testRemoveAll_duplicate() {
42     ArrayWithDuplicate<E> arrayAndDuplicate = createArrayWithDuplicateElement();
43     collection = getSubjectGenerator().create(arrayAndDuplicate.elements);
44     E duplicate = arrayAndDuplicate.duplicate;
45 
46     assertTrue(
47         "removeAll(intersectingCollection) should return true",
48         getList().removeAll(MinimalCollection.of(duplicate)));
49     assertFalse(
50         "after removeAll(e), a collection should not contain e even "
51             + "if it initially contained e more than once.",
52         getList().contains(duplicate));
53   }
54 
55   // All other cases are covered by CollectionRemoveAllTester.
56 }