guava
81 строка · 3.1 Кб
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_KEYS;21import static com.google.common.collect.testing.features.MapFeature.ALLOWS_NULL_KEY_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 containsKey()} 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*/
36@GwtCompatible
37@Ignore // Affects only Android test runner, which respects JUnit 4 annotations on JUnit 3 tests.38public class MapContainsKeyTester<K, V> extends AbstractMapTester<K, V> {39@CollectionSize.Require(absent = ZERO)40public void testContains_yes() {41assertTrue("containsKey(present) should return true", getMap().containsKey(k0()));42}43
44public void testContains_no() {45assertFalse("containsKey(notPresent) should return false", getMap().containsKey(k3()));46}47
48@MapFeature.Require(ALLOWS_NULL_KEY_QUERIES)49public void testContains_nullNotContainedButAllowed() {50assertFalse("containsKey(null) should return false", getMap().containsKey(null));51}52
53@MapFeature.Require(absent = ALLOWS_NULL_KEY_QUERIES)54public void testContains_nullNotContainedAndUnsupported() {55expectNullKeyMissingWhenNullKeysUnsupported("containsKey(null) should return false or throw");56}57
58@MapFeature.Require(ALLOWS_NULL_KEYS)59@CollectionSize.Require(absent = ZERO)60public void testContains_nonNullWhenNullContained() {61initMapWithNullKey();62assertFalse("containsKey(notPresent) should return false", getMap().containsKey(k3()));63}64
65@MapFeature.Require(ALLOWS_NULL_KEYS)66@CollectionSize.Require(absent = ZERO)67public void testContains_nullContained() {68initMapWithNullKey();69assertTrue("containsKey(null) should return true", getMap().containsKey(null));70}71
72public void testContains_wrongType() {73try {74// noinspection SuspiciousMethodCalls75assertFalse(76"containsKey(wrongType) should return false or throw",77getMap().containsKey(WrongType.VALUE));78} catch (ClassCastException tolerated) {79}80}81}
82