| /* |
| * Copyright (C) 2013 The Guava Authors |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except |
| * in compliance with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software distributed under the License |
| * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express |
| * or implied. See the License for the specific language governing permissions and limitations under |
| * the License. |
| */ |
| |
| package com.google.common.collect.testing.google; |
| |
| import static com.google.common.collect.testing.features.CollectionSize.ZERO; |
| import static com.google.common.collect.testing.features.MapFeature.ALLOWS_NULL_KEYS; |
| import static com.google.common.collect.testing.features.MapFeature.ALLOWS_NULL_VALUES; |
| |
| import com.google.common.annotations.GwtCompatible; |
| import com.google.common.collect.Multimap; |
| import com.google.common.collect.testing.Helpers; |
| import com.google.common.collect.testing.features.CollectionSize; |
| import com.google.common.collect.testing.features.MapFeature; |
| import com.google.common.testing.EqualsTester; |
| import java.util.ArrayList; |
| import java.util.List; |
| import java.util.Map.Entry; |
| import org.junit.Ignore; |
| |
| /** |
| * Tester for {@code Multimap.equals}. |
| * |
| * @author Louis Wasserman |
| */ |
| @GwtCompatible |
| @Ignore // Affects only Android test runner, which respects JUnit 4 annotations on JUnit 3 tests. |
| public class MultimapEqualsTester<K, V> extends AbstractMultimapTester<K, V, Multimap<K, V>> { |
| public void testEqualsTrue() { |
| new EqualsTester() |
| .addEqualityGroup(multimap(), getSubjectGenerator().create(getSampleElements().toArray())) |
| .testEquals(); |
| } |
| |
| public void testEqualsFalse() { |
| List<Entry<K, V>> targetEntries = new ArrayList<>(getSampleElements()); |
| targetEntries.add(Helpers.mapEntry(k0(), v3())); |
| new EqualsTester() |
| .addEqualityGroup(multimap()) |
| .addEqualityGroup(getSubjectGenerator().create(targetEntries.toArray())) |
| .testEquals(); |
| } |
| |
| @CollectionSize.Require(absent = ZERO) |
| @MapFeature.Require(ALLOWS_NULL_KEYS) |
| public void testEqualsMultimapWithNullKey() { |
| Multimap<K, V> original = multimap(); |
| initMultimapWithNullKey(); |
| Multimap<K, V> withNull = multimap(); |
| new EqualsTester() |
| .addEqualityGroup(original) |
| .addEqualityGroup( |
| withNull, getSubjectGenerator().create((Object[]) createArrayWithNullKey())) |
| .testEquals(); |
| } |
| |
| @CollectionSize.Require(absent = ZERO) |
| @MapFeature.Require(ALLOWS_NULL_VALUES) |
| public void testEqualsMultimapWithNullValue() { |
| Multimap<K, V> original = multimap(); |
| initMultimapWithNullValue(); |
| Multimap<K, V> withNull = multimap(); |
| new EqualsTester() |
| .addEqualityGroup(original) |
| .addEqualityGroup( |
| withNull, getSubjectGenerator().create((Object[]) createArrayWithNullValue())) |
| .testEquals(); |
| } |
| |
| @CollectionSize.Require(absent = ZERO) |
| public void testNotEqualsEmpty() { |
| new EqualsTester() |
| .addEqualityGroup(multimap()) |
| .addEqualityGroup(getSubjectGenerator().create()) |
| .testEquals(); |
| } |
| |
| public void testHashCodeMatchesAsMap() { |
| assertEquals(multimap().asMap().hashCode(), multimap().hashCode()); |
| } |
| } |