Java
65 строк · 2.5 Кб
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
17package com.google.common.collect.testing.testers;
18
19import static com.google.common.collect.testing.features.CollectionFeature.KNOWN_ORDER;
20import static com.google.common.collect.testing.features.CollectionFeature.SUPPORTS_REMOVE;
21import static com.google.common.collect.testing.features.CollectionSize.ONE;
22import static com.google.common.collect.testing.features.CollectionSize.SEVERAL;
23import static com.google.common.collect.testing.features.CollectionSize.ZERO;
24
25import com.google.common.annotations.GwtCompatible;
26import com.google.common.collect.testing.features.CollectionFeature;
27import com.google.common.collect.testing.features.CollectionSize;
28import java.util.NoSuchElementException;
29import org.junit.Ignore;
30
31/**
32* A generic JUnit test which tests {@code remove()} operations on a queue. Can't be invoked
33* directly; please see {@link com.google.common.collect.testing.CollectionTestSuiteBuilder}.
34*
35* @author Jared Levy
36*/
37@GwtCompatible
38@Ignore // Affects only Android test runner, which respects JUnit 4 annotations on JUnit 3 tests.
39@SuppressWarnings("JUnit4ClassUsedInJUnit3")
40public class QueueRemoveTester<E> extends AbstractQueueTester<E> {
41@CollectionFeature.Require(SUPPORTS_REMOVE)
42@CollectionSize.Require(ZERO)
43public void testRemove_empty() {
44try {
45getQueue().remove();
46fail("emptyQueue.remove() should throw");
47} catch (NoSuchElementException expected) {
48}
49expectUnchanged();
50}
51
52@CollectionFeature.Require(SUPPORTS_REMOVE)
53@CollectionSize.Require(ONE)
54public void testRemove_size1() {
55assertEquals("size1Queue.remove() should return first element", e0(), getQueue().remove());
56expectMissing(e0());
57}
58
59@CollectionFeature.Require({KNOWN_ORDER, SUPPORTS_REMOVE})
60@CollectionSize.Require(SEVERAL)
61public void testRemove_sizeMany() {
62assertEquals("sizeManyQueue.remove() should return first element", e0(), getQueue().remove());
63expectMissing(e0());
64}
65}
66