SetRemoveTester.java revision 3c77433663281544363151bf284b0240dfd22a42 
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.SUPPORTS_REMOVE;
20import static com.google.common.collect.testing.features.CollectionSize.ZERO;
21
22import com.google.common.annotations.GwtCompatible;
23import com.google.common.collect.testing.features.CollectionFeature;
24import com.google.common.collect.testing.features.CollectionSize;
25
26/**
27 * A generic JUnit test which tests remove operations on a set. Can't be
28 * invoked directly; please see
29 * {@link com.google.common.collect.testing.ListTestSuiteBuilder}.
30 *
31 * <p>This class is GWT compatible.
32 *
33 * @author George van den Driessche
34 */
35@GwtCompatible
36public class SetRemoveTester<E> extends AbstractSetTester<E> {
37  @CollectionFeature.Require(SUPPORTS_REMOVE)
38  @CollectionSize.Require(absent = ZERO)
39  public void testRemove_present() {
40    getSet().remove(samples.e0);
41    assertFalse("After remove(present) a set should not contain "
42        + "the removed element.",
43        getSet().contains(samples.e0));
44  }
45}
46