Coverage Summary for Class: SetAddAllTester (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 addAll operations on a set. Can't be invoked directly; please
30  * see {@link com.google.common.collect.testing.SetTestSuiteBuilder}.
31  *
32  * @author Kevin Bourrillion
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 SetAddAllTester<E> extends AbstractSetTester<E> {
38   @CollectionFeature.Require(SUPPORTS_ADD)
39   @CollectionSize.Require(absent = ZERO)
40   public void testAddAll_supportedSomePresent() {
41     assertTrue(
42         "add(somePresent) should return true", getSet().addAll(MinimalCollection.of(e3(), e0())));
43     expectAdded(e3());
44   }
45 
46   @CollectionFeature.Require(SUPPORTS_ADD)
47   public void testAddAll_withDuplicates() {
48     MinimalCollection<E> elementsToAdd = MinimalCollection.of(e3(), e4(), e3(), e4());
49     assertTrue("add(hasDuplicates) should return true", getSet().addAll(elementsToAdd));
50     expectAdded(e3(), e4());
51   }
52 
53   @CollectionFeature.Require(SUPPORTS_ADD)
54   @CollectionSize.Require(absent = ZERO)
55   public void testAddAll_supportedAllPresent() {
56     assertFalse("add(allPresent) should return false", getSet().addAll(MinimalCollection.of(e0())));
57     expectUnchanged();
58   }
59 }