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

1 /*
2  * Copyright (C) 2007 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_ADD;
20 import static com.google.common.collect.testing.features.CollectionSize.ZERO;
21 
22 import com.google.common.annotations.GwtCompatible;
23 import com.google.common.collect.testing.MinimalCollection;
24 import com.google.common.collect.testing.features.CollectionFeature;
25 import com.google.common.collect.testing.features.CollectionSize;
26 import org.junit.Ignore;
27 
28 /**
29  * A generic JUnit test which tests {@code addAll(Collection)} operations on a list. Can't be
30  * invoked directly; please see {@link com.google.common.collect.testing.ListTestSuiteBuilder}.
31  *
32  * @author Chris Povirk
33  */
34 @SuppressWarnings("unchecked") // too many "unchecked generic array creations"
35 @GwtCompatible
36 @Ignore // Affects only Android test runner, which respects JUnit 4 annotations on JUnit 3 tests.
37 public class ListAddAllTester<E> extends AbstractListTester<E> {
38   @CollectionFeature.Require(SUPPORTS_ADD)
39   @CollectionSize.Require(absent = ZERO)
40   public void testAddAll_supportedAllPresent() {
41     assertTrue(
42         "addAll(allPresent) should return true", getList().addAll(MinimalCollection.of(e0())));
43     expectAdded(e0());
44   }
45 
46   @CollectionFeature.Require(absent = SUPPORTS_ADD)
47   @CollectionSize.Require(absent = ZERO)
48   public void testAddAll_unsupportedAllPresent() {
49     try {
50       getList().addAll(MinimalCollection.of(e0()));
51       fail("addAll(allPresent) should throw");
52     } catch (UnsupportedOperationException expected) {
53     }
54     expectUnchanged();
55   }
56 
57   @CollectionFeature.Require(SUPPORTS_ADD)
58   public void testAddAll_withDuplicates() {
59     MinimalCollection<E> elementsToAdd = MinimalCollection.of(e0(), e1(), e0(), e1());
60     assertTrue("addAll(hasDuplicates) should return true", getList().addAll(elementsToAdd));
61     expectAdded(e0(), e1(), e0(), e1());
62   }
63 }