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.
036@SuppressWarnings("JUnit4ClassUsedInJUnit3")
037public class MultimapContainsValueTester<K, V>
038    extends AbstractMultimapTester<K, V, Multimap<K, V>> {
039  @CollectionSize.Require(absent = ZERO)
040  public void testContainsValueYes() {
041    assertTrue(multimap().containsValue(v0()));
042  }
043
044  public void testContainsValueNo() {
045    assertFalse(multimap().containsValue(v3()));
046  }
047
048  @MapFeature.Require(ALLOWS_NULL_VALUES)
049  @CollectionSize.Require(absent = ZERO)
050  public void testContainsNullValueYes() {
051    initMultimapWithNullValue();
052    assertTrue(multimap().containsValue(null));
053  }
054
055  @MapFeature.Require(ALLOWS_NULL_VALUE_QUERIES)
056  public void testContainsNullValueNo() {
057    assertFalse(multimap().containsValue(null));
058  }
059
060  @MapFeature.Require(absent = ALLOWS_NULL_VALUE_QUERIES)
061  public void testContainsNullValueFails() {
062    try {
063      multimap().containsValue(null);
064      fail("Expected NullPointerException");
065    } catch (NullPointerException expected) {
066      // success
067    }
068  }
069}