| /* |
| * Copyright (C) 2012 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.mapEntry; |
| import static com.google.common.collect.testing.features.CollectionSize.SEVERAL; |
| 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.features.CollectionSize; |
| import com.google.common.collect.testing.features.MapFeature; |
| import java.util.Collection; |
| import java.util.Map.Entry; |
| import org.junit.Ignore; |
| |
| /** |
| * Tester for the {@code size} methods of {@code Multimap} and its views. |
| * |
| * @author Louis Wasserman |
| */ |
| @GwtCompatible |
| @Ignore // Affects only Android test runner, which respects JUnit 4 annotations on JUnit 3 tests. |
| public class MultimapSizeTester<K, V> extends AbstractMultimapTester<K, V, Multimap<K, V>> { |
| |
| public void testSize() { |
| int expectedSize = getNumElements(); |
| Multimap<K, V> multimap = multimap(); |
| assertEquals(expectedSize, multimap.size()); |
| |
| int size = 0; |
| for (Entry<K, V> entry : multimap.entries()) { |
| assertTrue(multimap.containsEntry(entry.getKey(), entry.getValue())); |
| size++; |
| } |
| assertEquals(expectedSize, size); |
| |
| int size2 = 0; |
| for (Entry<K, Collection<V>> entry2 : multimap.asMap().entrySet()) { |
| size2 += entry2.getValue().size(); |
| } |
| assertEquals(expectedSize, size2); |
| } |
| |
| @CollectionSize.Require(ZERO) |
| public void testIsEmptyYes() { |
| assertTrue(multimap().isEmpty()); |
| } |
| |
| @CollectionSize.Require(absent = ZERO) |
| public void testIsEmptyNo() { |
| assertFalse(multimap().isEmpty()); |
| } |
| |
| @CollectionSize.Require(absent = ZERO) |
| @MapFeature.Require(ALLOWS_NULL_KEYS) |
| public void testSizeNullKey() { |
| initMultimapWithNullKey(); |
| assertEquals(getNumElements(), multimap().size()); |
| assertFalse(multimap().isEmpty()); |
| } |
| |
| @CollectionSize.Require(absent = ZERO) |
| @MapFeature.Require(ALLOWS_NULL_VALUES) |
| public void testSizeNullValue() { |
| initMultimapWithNullValue(); |
| assertEquals(getNumElements(), multimap().size()); |
| assertFalse(multimap().isEmpty()); |
| } |
| |
| @CollectionSize.Require(absent = ZERO) |
| @MapFeature.Require({ALLOWS_NULL_KEYS, ALLOWS_NULL_VALUES}) |
| public void testSizeNullKeyAndValue() { |
| initMultimapWithNullKeyAndValue(); |
| assertEquals(getNumElements(), multimap().size()); |
| assertFalse(multimap().isEmpty()); |
| } |
| |
| @CollectionSize.Require(SEVERAL) |
| public void testSizeMultipleValues() { |
| resetContainer(mapEntry(k0(), v0()), mapEntry(k0(), v1()), mapEntry(k0(), v2())); |
| |
| assertEquals(3, multimap().size()); |
| assertEquals(3, multimap().entries().size()); |
| assertEquals(3, multimap().keys().size()); |
| |
| assertEquals(1, multimap().keySet().size()); |
| assertEquals(1, multimap().asMap().size()); |
| } |
| } |