1 /* 2 * Copyright (C) 2013 The Guava Authors 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.google.common.collect; 18 19 import com.google.common.annotations.GwtCompatible; 20 import com.google.common.annotations.GwtIncompatible; 21 import com.google.common.collect.MultimapBuilder.MultimapBuilderWithKeys; 22 import com.google.common.testing.SerializableTester; 23 24 import junit.framework.TestCase; 25 26 import java.math.RoundingMode; 27 import java.util.SortedMap; 28 import java.util.SortedSet; 29 30 /** 31 * Tests for {@link MultimapBuilder}. 32 * 33 * @author Louis Wasserman 34 */ 35 @GwtCompatible(emulated = true) 36 public class MultimapBuilderTest extends TestCase { 37 38 @GwtIncompatible("doesn't build without explicit type parameters on build() methods") 39 public void testGenerics() { 40 ListMultimap<String, Integer> a = MultimapBuilder.hashKeys().arrayListValues().build(); 41 SortedSetMultimap<String, Integer> b = MultimapBuilder.linkedHashKeys().treeSetValues().build(); 42 SetMultimap<String, Integer> c = 43 MultimapBuilder.treeKeys(String.CASE_INSENSITIVE_ORDER).hashSetValues().build(); 44 } 45 46 public void testGenerics_gwtCompatible() { 47 ListMultimap<String, Integer> a = 48 MultimapBuilder.hashKeys().arrayListValues().<String, Integer>build(); 49 SortedSetMultimap<String, Integer> b = 50 MultimapBuilder.linkedHashKeys().treeSetValues().<String, Integer>build(); 51 SetMultimap<String, Integer> c = MultimapBuilder.treeKeys(String.CASE_INSENSITIVE_ORDER) 52 .hashSetValues().<String, Integer>build(); 53 } 54 55 @GwtIncompatible("doesn't build without explicit type parameters on build() methods") 56 public void testTreeKeys() { 57 ListMultimap<String, Integer> multimap = MultimapBuilder.treeKeys().arrayListValues().build(); 58 assertTrue(multimap.keySet() instanceof SortedSet); 59 assertTrue(multimap.asMap() instanceof SortedMap); 60 } 61 62 public void testTreeKeys_gwtCompatible() { 63 ListMultimap<String, Integer> multimap = 64 MultimapBuilder.treeKeys().arrayListValues().<String, Integer>build(); 65 assertTrue(multimap.keySet() instanceof SortedSet); 66 assertTrue(multimap.asMap() instanceof SortedMap); 67 } 68 69 public void testSerialization() { 70 for (MultimapBuilderWithKeys<?> builderWithKeys : ImmutableList.of( 71 MultimapBuilder.hashKeys(), MultimapBuilder.linkedHashKeys(), MultimapBuilder.treeKeys(), 72 MultimapBuilder.enumKeys(RoundingMode.class))) { 73 for (MultimapBuilder<?, ?> builder : ImmutableList.of( 74 builderWithKeys.arrayListValues(), 75 builderWithKeys.linkedListValues(), 76 builderWithKeys.hashSetValues(), 77 builderWithKeys.linkedHashSetValues(), 78 builderWithKeys.treeSetValues(), 79 builderWithKeys.enumSetValues(RoundingMode.class))) { 80 SerializableTester.reserializeAndAssert(builder.build()); 81 } 82 } 83 } 84 } 85
