Java
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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.CollectionSize.ZERO;20import static com.google.common.collect.testing.features.MapFeature.ALLOWS_NULL_VALUES;21import static com.google.common.collect.testing.features.MapFeature.ALLOWS_NULL_VALUE_QUERIES;22
23import com.google.common.annotations.GwtCompatible;24import com.google.common.collect.testing.AbstractMapTester;25import com.google.common.collect.testing.WrongType;26import com.google.common.collect.testing.features.CollectionSize;27import com.google.common.collect.testing.features.MapFeature;28import org.junit.Ignore;29
30/**
31* A generic JUnit test which tests {@code containsValue()} operations on a map. Can't be invoked
32* directly; please see {@link com.google.common.collect.testing.MapTestSuiteBuilder}.
33*
34* @author George van den Driessche
35* @author Chris Povirk
36*/
37@GwtCompatible
38@Ignore // Affects only Android test runner, which respects JUnit 4 annotations on JUnit 3 tests.39@SuppressWarnings("JUnit4ClassUsedInJUnit3")40public class MapContainsValueTester<K, V> extends AbstractMapTester<K, V> {41@CollectionSize.Require(absent = ZERO)42public void testContains_yes() {43assertTrue("containsValue(present) should return true", getMap().containsValue(v0()));44}45
46public void testContains_no() {47assertFalse("containsValue(notPresent) should return false", getMap().containsValue(v3()));48}49
50@MapFeature.Require(ALLOWS_NULL_VALUE_QUERIES)51public void testContains_nullNotContainedButAllowed() {52assertFalse("containsValue(null) should return false", getMap().containsValue(null));53}54
55@MapFeature.Require(absent = ALLOWS_NULL_VALUE_QUERIES)56public void testContains_nullNotContainedAndUnsupported() {57expectNullValueMissingWhenNullValuesUnsupported(58"containsValue(null) should return false or throw");59}60
61@MapFeature.Require(ALLOWS_NULL_VALUES)62@CollectionSize.Require(absent = ZERO)63public void testContains_nonNullWhenNullContained() {64initMapWithNullValue();65assertFalse("containsValue(notPresent) should return false", getMap().containsValue(v3()));66}67
68@MapFeature.Require(ALLOWS_NULL_VALUES)69@CollectionSize.Require(absent = ZERO)70public void testContains_nullContained() {71initMapWithNullValue();72assertTrue("containsValue(null) should return true", getMap().containsValue(null));73}74
75public void testContains_wrongType() {76try {77// noinspection SuspiciousMethodCalls78assertFalse(79"containsValue(wrongType) should return false or throw",80getMap().containsValue(WrongType.VALUE));81} catch (ClassCastException tolerated) {82}83}84}
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