| /* |
| * Copyright (C) 2007 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; |
| |
| import com.google.common.annotations.GwtCompatible; |
| import com.google.common.annotations.GwtIncompatible; |
| 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 com.google.common.collect.testing.google.SetMultimapTestSuiteBuilder; |
| import com.google.common.collect.testing.google.TestStringSetMultimapGenerator; |
| import java.util.Map.Entry; |
| import junit.framework.Test; |
| import junit.framework.TestCase; |
| import junit.framework.TestSuite; |
| |
| /** |
| * Unit tests for {@link HashMultimap}. |
| * |
| * @author Jared Levy |
| */ |
| @GwtCompatible(emulated = true) |
| public class HashMultimapTest extends TestCase { |
| |
| @GwtIncompatible // suite |
| public static Test suite() { |
| TestSuite suite = new TestSuite(); |
| suite.addTest( |
| SetMultimapTestSuiteBuilder.using( |
| new TestStringSetMultimapGenerator() { |
| @Override |
| protected SetMultimap<String, String> create(Entry<String, String>[] entries) { |
| SetMultimap<String, String> multimap = HashMultimap.create(); |
| for (Entry<String, String> entry : entries) { |
| multimap.put(entry.getKey(), entry.getValue()); |
| } |
| return multimap; |
| } |
| }) |
| .named("HashMultimap") |
| .withFeatures( |
| MapFeature.ALLOWS_NULL_KEYS, |
| MapFeature.ALLOWS_NULL_VALUES, |
| MapFeature.ALLOWS_ANY_NULL_QUERIES, |
| MapFeature.GENERAL_PURPOSE, |
| MapFeature.FAILS_FAST_ON_CONCURRENT_MODIFICATION, |
| CollectionFeature.SUPPORTS_ITERATOR_REMOVE, |
| CollectionFeature.SERIALIZABLE, |
| CollectionSize.ANY) |
| .createTestSuite()); |
| suite.addTestSuite(HashMultimapTest.class); |
| return suite; |
| } |
| |
| /* |
| * The behavior of toString() is tested by TreeMultimap, which shares a |
| * lot of code with HashMultimap and has deterministic iteration order. |
| */ |
| public void testCreate() { |
| HashMultimap<String, Integer> multimap = HashMultimap.create(); |
| multimap.put("foo", 1); |
| multimap.put("bar", 2); |
| multimap.put("foo", 3); |
| assertEquals(ImmutableSet.of(1, 3), multimap.get("foo")); |
| assertEquals(2, multimap.expectedValuesPerKey); |
| } |
| |
| public void testCreateFromMultimap() { |
| HashMultimap<String, Integer> multimap = HashMultimap.create(); |
| multimap.put("foo", 1); |
| multimap.put("bar", 2); |
| multimap.put("foo", 3); |
| HashMultimap<String, Integer> copy = HashMultimap.create(multimap); |
| assertEquals(multimap, copy); |
| assertEquals(2, copy.expectedValuesPerKey); |
| } |
| |
| public void testCreateFromSizes() { |
| HashMultimap<String, Integer> multimap = HashMultimap.create(20, 15); |
| multimap.put("foo", 1); |
| multimap.put("bar", 2); |
| multimap.put("foo", 3); |
| assertEquals(ImmutableSet.of(1, 3), multimap.get("foo")); |
| assertEquals(15, multimap.expectedValuesPerKey); |
| } |
| |
| public void testCreateFromIllegalSizes() { |
| try { |
| HashMultimap.create(-20, 15); |
| fail(); |
| } catch (IllegalArgumentException expected) { |
| } |
| |
| try { |
| HashMultimap.create(20, -15); |
| fail(); |
| } catch (IllegalArgumentException expected) { |
| } |
| } |
| |
| public void testEmptyMultimapsEqual() { |
| Multimap<String, Integer> setMultimap = HashMultimap.create(); |
| Multimap<String, Integer> listMultimap = ArrayListMultimap.create(); |
| assertTrue(setMultimap.equals(listMultimap)); |
| assertTrue(listMultimap.equals(setMultimap)); |
| } |
| } |