Java
50 строк · 1.7 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 com.google.common.annotations.GwtCompatible;
20import com.google.common.collect.testing.AbstractCollectionTester;
21import org.junit.Ignore;
22
23/**
24* Tests {@link java.util.Collection#equals}.
25*
26* @author George van den Driessche
27*/
28@GwtCompatible
29@Ignore // Affects only Android test runner, which respects JUnit 4 annotations on JUnit 3 tests.
30@SuppressWarnings("JUnit4ClassUsedInJUnit3")
31public class CollectionEqualsTester<E> extends AbstractCollectionTester<E> {
32
33// TODO(cpovirk): Consider using EqualsTester from Guava.
34@SuppressWarnings("SelfEquals")
35public void testEquals_self() {
36assertTrue("An Object should be equal to itself.", collection.equals(collection));
37}
38
39public void testEquals_null() {
40// noinspection ObjectEqualsNull
41assertFalse("An object should not be equal to null.", collection.equals(null));
42}
43
44public void testEquals_notACollection() {
45// noinspection EqualsBetweenInconvertibleTypes
46assertFalse(
47"A Collection should never equal an object that is not a Collection.",
48collection.equals("huh?"));
49}
50}
51