| /* |
| * 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.Helpers.assertContains; |
| import static com.google.common.collect.testing.Helpers.assertEqualIgnoringOrder; |
| import static com.google.common.collect.testing.features.CollectionFeature.SUPPORTS_ITERATOR_REMOVE; |
| import static com.google.common.collect.testing.features.CollectionSize.ONE; |
| 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_KEY_QUERIES; |
| import static com.google.common.collect.testing.features.MapFeature.ALLOWS_NULL_VALUES; |
| import static com.google.common.collect.testing.features.MapFeature.ALLOWS_NULL_VALUE_QUERIES; |
| import static com.google.common.collect.testing.features.MapFeature.SUPPORTS_REMOVE; |
| |
| 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.CollectionFeature; |
| import com.google.common.collect.testing.features.CollectionSize; |
| import com.google.common.collect.testing.features.MapFeature; |
| import java.util.Collections; |
| import java.util.Iterator; |
| import java.util.Map.Entry; |
| import org.junit.Ignore; |
| |
| /** |
| * Tester for {@code Multimap.entries}. |
| * |
| * @author Louis Wasserman |
| */ |
| @GwtCompatible |
| @Ignore // Affects only Android test runner, which respects JUnit 4 annotations on JUnit 3 tests. |
| public class MultimapEntriesTester<K, V> extends AbstractMultimapTester<K, V, Multimap<K, V>> { |
| public void testEntries() { |
| assertEqualIgnoringOrder(getSampleElements(), multimap().entries()); |
| } |
| |
| @CollectionSize.Require(absent = ZERO) |
| @MapFeature.Require(ALLOWS_NULL_KEYS) |
| public void testContainsEntryWithNullKeyPresent() { |
| initMultimapWithNullKey(); |
| assertContains(multimap().entries(), Helpers.mapEntry((K) null, getValueForNullKey())); |
| } |
| |
| @MapFeature.Require(ALLOWS_NULL_KEY_QUERIES) |
| public void testContainsEntryWithNullKeyAbsent() { |
| assertFalse(multimap().entries().contains(Helpers.mapEntry(null, v0()))); |
| } |
| |
| @CollectionSize.Require(absent = ZERO) |
| @MapFeature.Require(ALLOWS_NULL_VALUES) |
| public void testContainsEntryWithNullValuePresent() { |
| initMultimapWithNullValue(); |
| assertContains(multimap().entries(), Helpers.mapEntry(getKeyForNullValue(), (V) null)); |
| } |
| |
| @MapFeature.Require(ALLOWS_NULL_VALUE_QUERIES) |
| public void testContainsEntryWithNullValueAbsent() { |
| assertFalse(multimap().entries().contains(Helpers.mapEntry(k0(), null))); |
| } |
| |
| @CollectionSize.Require(absent = ZERO) |
| @MapFeature.Require(SUPPORTS_REMOVE) |
| public void testRemovePropagatesToMultimap() { |
| assertTrue(multimap().entries().remove(Helpers.mapEntry(k0(), v0()))); |
| expectMissing(Helpers.mapEntry(k0(), v0())); |
| assertEquals(getNumElements() - 1, multimap().size()); |
| assertFalse(multimap().containsEntry(k0(), v0())); |
| } |
| |
| @CollectionSize.Require(absent = ZERO) |
| @MapFeature.Require(SUPPORTS_REMOVE) |
| public void testRemoveAllPropagatesToMultimap() { |
| assertTrue(multimap().entries().removeAll(Collections.singleton(Helpers.mapEntry(k0(), v0())))); |
| expectMissing(Helpers.mapEntry(k0(), v0())); |
| assertEquals(getNumElements() - 1, multimap().size()); |
| assertFalse(multimap().containsEntry(k0(), v0())); |
| } |
| |
| @CollectionSize.Require(absent = ZERO) |
| @MapFeature.Require(SUPPORTS_REMOVE) |
| public void testRetainAllPropagatesToMultimap() { |
| multimap().entries().retainAll(Collections.singleton(Helpers.mapEntry(k0(), v0()))); |
| assertEquals(getSubjectGenerator().create(Helpers.mapEntry(k0(), v0())), multimap()); |
| assertEquals(1, multimap().size()); |
| assertTrue(multimap().containsEntry(k0(), v0())); |
| } |
| |
| @CollectionSize.Require(ONE) |
| @CollectionFeature.Require(SUPPORTS_ITERATOR_REMOVE) |
| public void testIteratorRemovePropagatesToMultimap() { |
| Iterator<Entry<K, V>> iterator = multimap().entries().iterator(); |
| assertEquals(Helpers.mapEntry(k0(), v0()), iterator.next()); |
| iterator.remove(); |
| assertTrue(multimap().isEmpty()); |
| } |
| |
| @CollectionSize.Require(absent = ZERO) |
| @MapFeature.Require(SUPPORTS_REMOVE) |
| public void testEntriesRemainValidAfterRemove() { |
| Iterator<Entry<K, V>> iterator = multimap().entries().iterator(); |
| Entry<K, V> entry = iterator.next(); |
| K key = entry.getKey(); |
| V value = entry.getValue(); |
| multimap().removeAll(key); |
| assertEquals(key, entry.getKey()); |
| assertEquals(value, entry.getValue()); |
| } |
| } |