001/*
002 * Copyright (C) 2012 The Guava Authors
003 *
004 * Licensed under the Apache License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 * http://www.apache.org/licenses/LICENSE-2.0
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 */
016
017package com.google.common.collect.testing.google;
018
019import static com.google.common.collect.testing.features.CollectionSize.ZERO;
020import static com.google.common.collect.testing.features.MapFeature.ALLOWS_NULL_VALUES;
021import static com.google.common.collect.testing.features.MapFeature.ALLOWS_NULL_VALUE_QUERIES;
022
023import com.google.common.annotations.GwtCompatible;
024import com.google.common.collect.Multimap;
025import com.google.common.collect.testing.features.CollectionSize;
026import com.google.common.collect.testing.features.MapFeature;
027import org.junit.Ignore;
028
029/**
030 * Tester for {@link Multimap#containsValue}.
031 *
032 * @author Louis Wasserman
033 */
034@GwtCompatible
035@Ignore // Affects only Android test runner, which respects JUnit 4 annotations on JUnit 3 tests.
036public class MultimapContainsValueTester<K, V>
037    extends AbstractMultimapTester<K, V, Multimap<K, V>> {
038  @CollectionSize.Require(absent = ZERO)
039  public void testContainsValueYes() {
040    assertTrue(multimap().containsValue(v0()));
041  }
042
043  public void testContainsValueNo() {
044    assertFalse(multimap().containsValue(v3()));
045  }
046
047  @MapFeature.Require(ALLOWS_NULL_VALUES)
048  @CollectionSize.Require(absent = ZERO)
049  public void testContainsNullValueYes() {
050    initMultimapWithNullValue();
051    assertTrue(multimap().containsValue(null));
052  }
053
054  @MapFeature.Require(ALLOWS_NULL_VALUE_QUERIES)
055  public void testContainsNullValueNo() {
056    assertFalse(multimap().containsValue(null));
057  }
058
059  @MapFeature.Require(absent = ALLOWS_NULL_VALUE_QUERIES)
060  public void testContainsNullValueFails() {
061    try {
062      multimap().containsValue(null);
063      fail("Expected NullPointerException");
064    } catch (NullPointerException expected) {
065      // success
066    }
067  }
068}