Java
54 строки · 2.1 Кб
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
17package com.google.common.collect.testing.testers;
18
19import static com.google.common.collect.testing.features.CollectionFeature.KNOWN_ORDER;
20
21import com.google.common.annotations.GwtCompatible;
22import com.google.common.collect.testing.AbstractCollectionTester;
23import com.google.common.collect.testing.Helpers;
24import com.google.common.collect.testing.features.CollectionFeature;
25import java.util.ArrayList;
26import java.util.Arrays;
27import java.util.List;
28import 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@SuppressWarnings("JUnit4ClassUsedInJUnit3")
39public class CollectionForEachTester<E> extends AbstractCollectionTester<E> {
40@CollectionFeature.Require(absent = KNOWN_ORDER)
41public void testForEachUnknownOrder() {
42List<E> elements = new ArrayList<>();
43collection.forEach(elements::add);
44Helpers.assertEqualIgnoringOrder(Arrays.asList(createSamplesArray()), elements);
45}
46
47@CollectionFeature.Require(KNOWN_ORDER)
48public void testForEachKnownOrder() {
49List<E> elements = new ArrayList<>();
50collection.forEach(elements::add);
51List<E> expected = Helpers.copyToList(getOrderedElements());
52assertEquals("Different ordered iteration", expected, elements);
53}
54}
55