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; 024import static com.google.common.collect.testing.google.ReflectionFreeAssertThrows.assertThrows; 025 026import com.google.common.annotations.GwtCompatible; 027import com.google.common.collect.Multimap; 028import com.google.common.collect.testing.features.CollectionSize; 029import com.google.common.collect.testing.features.MapFeature; 030import org.junit.Ignore; 031 032/** 033 * Tester for {@link Multimap#containsEntry}. 034 * 035 * @author Louis Wasserman 036 */ 037@GwtCompatible 038@Ignore("test runners must not instantiate and run this directly, only via suites we build") 039// @Ignore affects the Android test runner, which respects JUnit 4 annotations on JUnit 3 tests. 040@SuppressWarnings("JUnit4ClassUsedInJUnit3") 041public class MultimapContainsEntryTester<K, V> 042 extends AbstractMultimapTester<K, V, Multimap<K, V>> { 043 @CollectionSize.Require(absent = ZERO) 044 public void testContainsEntryYes() { 045 assertTrue(multimap().containsEntry(k0(), v0())); 046 } 047 048 public void testContainsEntryNo() { 049 assertFalse(multimap().containsEntry(k3(), v3())); 050 } 051 052 public void testContainsEntryAgreesWithGet() { 053 for (K k : sampleKeys()) { 054 for (V v : sampleValues()) { 055 assertEquals(multimap().get(k).contains(v), multimap().containsEntry(k, v)); 056 } 057 } 058 } 059 060 @CollectionSize.Require(absent = ZERO) 061 @MapFeature.Require({ALLOWS_NULL_KEYS, ALLOWS_NULL_VALUES}) 062 public void testContainsEntryNullYes() { 063 initMultimapWithNullKeyAndValue(); 064 assertTrue(multimap().containsEntry(null, null)); 065 } 066 067 @MapFeature.Require({ALLOWS_NULL_KEY_QUERIES, ALLOWS_NULL_VALUE_QUERIES}) 068 public void testContainsEntryNullNo() { 069 assertFalse(multimap().containsEntry(null, null)); 070 } 071 072 @MapFeature.Require(absent = ALLOWS_NULL_KEY_QUERIES) 073 public void testContainsEntryNullDisallowedBecauseKeyQueriesDisallowed() { 074 assertThrows(NullPointerException.class, () -> multimap().containsEntry(null, v3())); 075 } 076 077 @MapFeature.Require(absent = ALLOWS_NULL_VALUE_QUERIES) 078 public void testContainsEntryNullDisallowedBecauseValueQueriesDisallowed() { 079 assertThrows(NullPointerException.class, () -> multimap().containsEntry(k3(), null)); 080 } 081}