1 /* 2 * Copyright (C) 2012 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 17 package com.google.common.collect.testing.google; 18 19 import static com.google.common.collect.testing.features.CollectionSize.ZERO; 20 import static com.google.common.collect.testing.features.MapFeature.ALLOWS_NULL_VALUES; 21 import static com.google.common.collect.testing.features.MapFeature.ALLOWS_NULL_VALUE_QUERIES; 22 23 import com.google.common.annotations.GwtCompatible; 24 import com.google.common.collect.Multimap; 25 import com.google.common.collect.testing.features.CollectionSize; 26 import com.google.common.collect.testing.features.MapFeature; 27 28 /** 29 * Tester for {@link Multimap#containsValue}. 30 * 31 * @author Louis Wasserman 32 */ 33 @GwtCompatible 34 public class MultimapContainsValueTester<K, V> 35 extends AbstractMultimapTester<K, V, Multimap<K, V>> { 36 @CollectionSize.Require(absent = ZERO) testContainsValueYes()37 public void testContainsValueYes() { 38 assertTrue(multimap().containsValue(sampleValues().e0)); 39 } 40 testContainsValueNo()41 public void testContainsValueNo() { 42 assertFalse(multimap().containsValue(sampleValues().e3)); 43 } 44 45 @MapFeature.Require(ALLOWS_NULL_VALUES) 46 @CollectionSize.Require(absent = ZERO) testContainsNullValueYes()47 public void testContainsNullValueYes() { 48 initMultimapWithNullValue(); 49 assertTrue(multimap().containsValue(null)); 50 } 51 52 @MapFeature.Require(ALLOWS_NULL_VALUE_QUERIES) testContainsNullValueNo()53 public void testContainsNullValueNo() { 54 assertFalse(multimap().containsValue(null)); 55 } 56 57 @MapFeature.Require(absent = ALLOWS_NULL_VALUE_QUERIES) testContainsNullValueFails()58 public void testContainsNullValueFails() { 59 try { 60 multimap().containsValue(null); 61 fail("Expected NullPointerException"); 62 } catch (NullPointerException expected) { 63 // success 64 } 65 } 66 } 67