Coverage Summary for Class: CollectionForEachTester (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.CollectionFeature.KNOWN_ORDER;
20 
21 import com.google.common.annotations.GwtCompatible;
22 import com.google.common.collect.testing.AbstractCollectionTester;
23 import com.google.common.collect.testing.Helpers;
24 import com.google.common.collect.testing.features.CollectionFeature;
25 import java.util.ArrayList;
26 import java.util.Arrays;
27 import java.util.List;
28 import org.junit.Ignore;
29 
30 /**
31  * A generic JUnit test which tests {@code forEach} operations on a collection. Can't be invoked
32  * directly; please see {@link com.google.common.collect.testing.CollectionTestSuiteBuilder}.
33  *
34  * @author Louis Wasserman
35  */
36 @GwtCompatible
37 @Ignore // Affects only Android test runner, which respects JUnit 4 annotations on JUnit 3 tests.
38 public class CollectionForEachTester<E> extends AbstractCollectionTester<E> {
39   @CollectionFeature.Require(absent = KNOWN_ORDER)
40   public void testForEachUnknownOrder() {
41     List<E> elements = new ArrayList<E>();
42     collection.forEach(elements::add);
43     Helpers.assertEqualIgnoringOrder(Arrays.asList(createSamplesArray()), elements);
44   }
45 
46   @CollectionFeature.Require(KNOWN_ORDER)
47   public void testForEachKnownOrder() {
48     List<E> elements = new ArrayList<E>();
49     collection.forEach(elements::add);
50     List<E> expected = Helpers.copyToList(getOrderedElements());
51     assertEquals("Different ordered iteration", expected, elements);
52   }
53 }