| /* |
| * Copyright (C) 2008 The Guava Authors |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package com.google.common.collect.testing.testers; |
| |
| import static com.google.common.collect.testing.features.CollectionSize.ZERO; |
| import static com.google.common.collect.testing.features.MapFeature.*; |
| |
| import com.google.common.annotations.GwtCompatible; |
| import com.google.common.collect.testing.AbstractMapTester; |
| import com.google.common.collect.testing.WrongType; |
| import com.google.common.collect.testing.features.CollectionSize; |
| import com.google.common.collect.testing.features.MapFeature; |
| |
| /** |
| * A generic JUnit test which tests {@code containsValue()} operations on a map. |
| * Can't be invoked directly; please see |
| * {@link com.google.common.collect.testing.MapTestSuiteBuilder}. |
| * |
| * @author George van den Driessche |
| * @author Chris Povirk |
| */ |
| @GwtCompatible |
| public class MapContainsValueTester<K, V> extends AbstractMapTester<K, V> { |
| @CollectionSize.Require(absent = ZERO) |
| public void testContains_yes() { |
| assertTrue("containsValue(present) should return true", |
| getMap().containsValue(e0().getValue())); |
| } |
| |
| public void testContains_no() { |
| assertFalse("containsValue(notPresent) should return false", |
| getMap().containsValue(e3().getValue())); |
| } |
| |
| @MapFeature.Require(ALLOWS_NULL_VALUE_QUERIES) |
| public void testContains_nullNotContainedButAllowed() { |
| assertFalse("containsValue(null) should return false", |
| getMap().containsValue(null)); |
| } |
| |
| @MapFeature.Require(absent = ALLOWS_NULL_VALUE_QUERIES) |
| public void testContains_nullNotContainedAndUnsupported() { |
| expectNullValueMissingWhenNullValuesUnsupported( |
| "containsValue(null) should return false or throw"); |
| } |
| |
| @MapFeature.Require(ALLOWS_NULL_VALUES) |
| @CollectionSize.Require(absent = ZERO) |
| public void testContains_nonNullWhenNullContained() { |
| initMapWithNullValue(); |
| assertFalse("containsValue(notPresent) should return false", |
| getMap().containsValue(e3().getValue())); |
| } |
| |
| @MapFeature.Require(ALLOWS_NULL_VALUES) |
| @CollectionSize.Require(absent = ZERO) |
| public void testContains_nullContained() { |
| initMapWithNullValue(); |
| assertTrue("containsValue(null) should return true", |
| getMap().containsValue(null)); |
| } |
| |
| public void testContains_wrongType() { |
| try { |
| //noinspection SuspiciousMethodCalls |
| assertFalse("containsValue(wrongType) should return false or throw", |
| getMap().containsValue(WrongType.VALUE)); |
| } catch (ClassCastException tolerated) { |
| } |
| } |
| } |