Java
67 строк · 2.7 Кб
1/*
2* Copyright (C) 2007 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.ALLOWS_NULL_VALUES;
20import static com.google.common.collect.testing.features.CollectionFeature.SUPPORTS_ADD;
21import static com.google.common.collect.testing.features.CollectionSize.ZERO;
22
23import com.google.common.annotations.GwtCompatible;
24import com.google.common.annotations.GwtIncompatible;
25import com.google.common.annotations.J2ktIncompatible;
26import com.google.common.collect.testing.Helpers;
27import com.google.common.collect.testing.features.CollectionFeature;
28import com.google.common.collect.testing.features.CollectionSize;
29import java.lang.reflect.Method;
30import org.junit.Ignore;
31
32/**
33* A generic JUnit test which tests add operations on a set. Can't be invoked directly; please see
34* {@link com.google.common.collect.testing.SetTestSuiteBuilder}.
35*
36* @author Kevin Bourrillion
37*/
38@GwtCompatible(emulated = true)
39@Ignore // Affects only Android test runner, which respects JUnit 4 annotations on JUnit 3 tests.
40@SuppressWarnings("JUnit4ClassUsedInJUnit3")
41public class SetAddTester<E> extends AbstractSetTester<E> {
42@CollectionFeature.Require(SUPPORTS_ADD)
43@CollectionSize.Require(absent = ZERO)
44public void testAdd_supportedPresent() {
45assertFalse("add(present) should return false", getSet().add(e0()));
46expectUnchanged();
47}
48
49@CollectionFeature.Require(value = {SUPPORTS_ADD, ALLOWS_NULL_VALUES})
50@CollectionSize.Require(absent = ZERO)
51public void testAdd_supportedNullPresent() {
52E[] array = createArrayWithNullElement();
53collection = getSubjectGenerator().create(array);
54assertFalse("add(nullPresent) should return false", getSet().add(null));
55expectContents(array);
56}
57
58/**
59* Returns the {@link Method} instance for {@link #testAdd_supportedNullPresent()} so that tests
60* can suppress it. See {@link CollectionAddTester#getAddNullSupportedMethod()} for details.
61*/
62@J2ktIncompatible
63@GwtIncompatible // reflection
64public static Method getAddSupportedNullPresentMethod() {
65return Helpers.getMethod(SetAddTester.class, "testAdd_supportedNullPresent");
66}
67}
68