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_KEYS; 021import static com.google.common.collect.testing.features.MapFeature.ALLOWS_NULL_KEY_QUERIES; 022import static com.google.common.collect.testing.features.MapFeature.ALLOWS_NULL_VALUES; 023import static com.google.common.collect.testing.features.MapFeature.ALLOWS_NULL_VALUE_QUERIES; 024 025import com.google.common.annotations.GwtCompatible; 026import com.google.common.collect.Multimap; 027import com.google.common.collect.testing.features.CollectionSize; 028import com.google.common.collect.testing.features.MapFeature; 029import org.junit.Ignore; 030 031/** 032 * Tester for {@link Multimap#containsEntry}. 033 * 034 * @author Louis Wasserman 035 */ 036@GwtCompatible 037@Ignore // Affects only Android test runner, which respects JUnit 4 annotations on JUnit 3 tests. 038public class MultimapContainsEntryTester<K, V> 039 extends AbstractMultimapTester<K, V, Multimap<K, V>> { 040 @CollectionSize.Require(absent = ZERO) 041 public void testContainsEntryYes() { 042 assertTrue(multimap().containsEntry(k0(), v0())); 043 } 044 045 public void testContainsEntryNo() { 046 assertFalse(multimap().containsEntry(k3(), v3())); 047 } 048 049 public void testContainsEntryAgreesWithGet() { 050 for (K k : sampleKeys()) { 051 for (V v : sampleValues()) { 052 assertEquals(multimap().get(k).contains(v), multimap().containsEntry(k, v)); 053 } 054 } 055 } 056 057 @CollectionSize.Require(absent = ZERO) 058 @MapFeature.Require({ALLOWS_NULL_KEYS, ALLOWS_NULL_VALUES}) 059 public void testContainsEntryNullYes() { 060 initMultimapWithNullKeyAndValue(); 061 assertTrue(multimap().containsEntry(null, null)); 062 } 063 064 @MapFeature.Require({ALLOWS_NULL_KEY_QUERIES, ALLOWS_NULL_VALUE_QUERIES}) 065 public void testContainsEntryNullNo() { 066 assertFalse(multimap().containsEntry(null, null)); 067 } 068 069 @MapFeature.Require(absent = ALLOWS_NULL_KEY_QUERIES) 070 public void testContainsEntryNullDisallowedBecauseKeyQueriesDisallowed() { 071 try { 072 multimap().containsEntry(null, v3()); 073 fail("Expected NullPointerException"); 074 } catch (NullPointerException expected) { 075 // success 076 } 077 } 078 079 @MapFeature.Require(absent = ALLOWS_NULL_VALUE_QUERIES) 080 public void testContainsEntryNullDisallowedBecauseValueQueriesDisallowed() { 081 try { 082 multimap().containsEntry(k3(), null); 083 fail("Expected NullPointerException"); 084 } catch (NullPointerException expected) { 085 // success 086 } 087 } 088}