001/* 002 * Copyright (C) 2013 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.Helpers.assertContains; 020import static com.google.common.collect.testing.features.MapFeature.ALLOWS_NULL_KEYS; 021import static com.google.common.collect.testing.features.MapFeature.ALLOWS_NULL_VALUES; 022import static com.google.common.collect.testing.features.MapFeature.SUPPORTS_PUT; 023 024import com.google.common.annotations.GwtCompatible; 025import com.google.common.collect.Multimap; 026import com.google.common.collect.testing.Helpers; 027import com.google.common.collect.testing.features.MapFeature; 028import java.util.Collection; 029import org.junit.Ignore; 030 031/** 032 * Tester for {@link Multimap#putAll(Multimap)}. 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 MultimapPutAllMultimapTester<K, V> 039 extends AbstractMultimapTester<K, V, Multimap<K, V>> { 040 @MapFeature.Require(absent = SUPPORTS_PUT) 041 public void testPutUnsupported() { 042 try { 043 multimap().putAll(getSubjectGenerator().create(Helpers.mapEntry(k3(), v3()))); 044 fail("Expected UnsupportedOperationException"); 045 } catch (UnsupportedOperationException expected) { 046 } 047 } 048 049 @MapFeature.Require(SUPPORTS_PUT) 050 public void testPutAllIntoEmpty() { 051 Multimap<K, V> target = getSubjectGenerator().create(); 052 assertEquals(!multimap().isEmpty(), target.putAll(multimap())); 053 assertEquals(multimap(), target); 054 } 055 056 @MapFeature.Require(SUPPORTS_PUT) 057 public void testPutAll() { 058 Multimap<K, V> source = 059 getSubjectGenerator().create(Helpers.mapEntry(k0(), v3()), Helpers.mapEntry(k3(), v3())); 060 assertTrue(multimap().putAll(source)); 061 assertTrue(multimap().containsEntry(k0(), v3())); 062 assertTrue(multimap().containsEntry(k3(), v3())); 063 } 064 065 @MapFeature.Require({SUPPORTS_PUT, ALLOWS_NULL_VALUES}) 066 public void testPutAllWithNullValue() { 067 Multimap<K, V> source = getSubjectGenerator().create(Helpers.mapEntry(k0(), null)); 068 assertTrue(multimap().putAll(source)); 069 assertTrue(multimap().containsEntry(k0(), null)); 070 } 071 072 @MapFeature.Require({SUPPORTS_PUT, ALLOWS_NULL_KEYS}) 073 public void testPutAllWithNullKey() { 074 Multimap<K, V> source = getSubjectGenerator().create(Helpers.mapEntry(null, v0())); 075 assertTrue(multimap().putAll(source)); 076 assertTrue(multimap().containsEntry(null, v0())); 077 } 078 079 @MapFeature.Require(value = SUPPORTS_PUT, absent = ALLOWS_NULL_VALUES) 080 public void testPutAllRejectsNullValue() { 081 Multimap<K, V> source = getSubjectGenerator().create(Helpers.mapEntry(k0(), null)); 082 try { 083 multimap().putAll(source); 084 fail("Expected NullPointerException"); 085 } catch (NullPointerException expected) { 086 } 087 expectUnchanged(); 088 } 089 090 @MapFeature.Require(value = SUPPORTS_PUT, absent = ALLOWS_NULL_KEYS) 091 public void testPutAllRejectsNullKey() { 092 Multimap<K, V> source = getSubjectGenerator().create(Helpers.mapEntry(null, v0())); 093 try { 094 multimap().putAll(source); 095 fail("Expected NullPointerException"); 096 } catch (NullPointerException expected) { 097 } 098 expectUnchanged(); 099 } 100 101 @MapFeature.Require(SUPPORTS_PUT) 102 public void testPutAllPropagatesToGet() { 103 Multimap<K, V> source = 104 getSubjectGenerator().create(Helpers.mapEntry(k0(), v3()), Helpers.mapEntry(k3(), v3())); 105 Collection<V> getCollection = multimap().get(k0()); 106 int getCollectionSize = getCollection.size(); 107 assertTrue(multimap().putAll(source)); 108 assertEquals(getCollectionSize + 1, getCollection.size()); 109 assertContains(getCollection, v3()); 110 } 111}