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

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 
17 package com.google.common.collect.testing.testers;
18 
19 import static com.google.common.collect.testing.features.CollectionFeature.KNOWN_ORDER;
20 import static com.google.common.collect.testing.features.CollectionFeature.SUPPORTS_REMOVE;
21 import static com.google.common.collect.testing.features.CollectionSize.ONE;
22 import static com.google.common.collect.testing.features.CollectionSize.SEVERAL;
23 import static com.google.common.collect.testing.features.CollectionSize.ZERO;
24 
25 import com.google.common.annotations.GwtCompatible;
26 import com.google.common.collect.testing.features.CollectionFeature;
27 import com.google.common.collect.testing.features.CollectionSize;
28 import java.util.NoSuchElementException;
29 import 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 @SuppressWarnings("unchecked") // too many "unchecked generic array creations"
38 @GwtCompatible
39 @Ignore // Affects only Android test runner, which respects JUnit 4 annotations on JUnit 3 tests.
40 public class QueueRemoveTester<E> extends AbstractQueueTester<E> {
41   @CollectionFeature.Require(SUPPORTS_REMOVE)
42   @CollectionSize.Require(ZERO)
43   public void testRemove_empty() {
44     try {
45       getQueue().remove();
46       fail("emptyQueue.remove() should throw");
47     } catch (NoSuchElementException expected) {
48     }
49     expectUnchanged();
50   }
51 
52   @CollectionFeature.Require(SUPPORTS_REMOVE)
53   @CollectionSize.Require(ONE)
54   public void testRemove_size1() {
55     assertEquals("size1Queue.remove() should return first element", e0(), getQueue().remove());
56     expectMissing(e0());
57   }
58 
59   @CollectionFeature.Require({KNOWN_ORDER, SUPPORTS_REMOVE})
60   @CollectionSize.Require(SEVERAL)
61   public void testRemove_sizeMany() {
62     assertEquals("sizeManyQueue.remove() should return first element", e0(), getQueue().remove());
63     expectMissing(e0());
64   }
65 }