1 /* 2 * Copyright (C) 2012 The Guava Authors 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except 5 * in compliance with the License. You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software distributed under the License 10 * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express 11 * or implied. See the License for the specific language governing permissions and limitations under 12 * the License. 13 */ 14 15 package com.google.common.collect.testing.google; 16 17 import static com.google.common.collect.testing.Helpers.copyToList; 18 import static com.google.common.collect.testing.Helpers.copyToSet; 19 import static com.google.common.collect.testing.features.CollectionSize.ZERO; 20 import static com.google.common.collect.testing.features.MapFeature.ALLOWS_NULL_VALUES; 21 import static com.google.common.collect.testing.features.MapFeature.SUPPORTS_PUT; 22 23 import com.google.common.annotations.GwtCompatible; 24 import com.google.common.collect.SetMultimap; 25 import com.google.common.collect.testing.features.CollectionSize; 26 import com.google.common.collect.testing.features.MapFeature; 27 28 import java.util.List; 29 import java.util.Map.Entry; 30 import java.util.Set; 31 32 /** 33 * Tests for {@link SetMultimap#replaceValues}. 34 * 35 * @author Louis Wasserman 36 */ 37 @GwtCompatible 38 public class SetMultimapPutTester<K, V> 39 extends AbstractMultimapTester<K, V, SetMultimap<K, V>> { 40 // Tests for non-duplicate values are in MultimapPutTester 41 42 @MapFeature.Require(SUPPORTS_PUT) 43 @CollectionSize.Require(absent = ZERO) testPutDuplicateValuePreservesSize()44 public void testPutDuplicateValuePreservesSize() { 45 assertFalse(multimap().put(sampleKeys().e0, sampleValues().e0)); 46 assertEquals(getNumElements(), multimap().size()); 47 } 48 49 @MapFeature.Require(SUPPORTS_PUT) testPutDuplicateValue()50 public void testPutDuplicateValue() { 51 List<Entry<K, V>> entries = copyToList(multimap().entries()); 52 53 for (Entry<K, V> entry : entries) { 54 resetContainer(); 55 K k = entry.getKey(); 56 V v = entry.getValue(); 57 58 Set<V> values = multimap().get(k); 59 Set<V> expectedValues = copyToSet(values); 60 61 assertFalse(multimap().put(k, v)); 62 assertEquals(expectedValues, values); 63 assertGet(k, expectedValues); 64 } 65 } 66 67 @MapFeature.Require({SUPPORTS_PUT, ALLOWS_NULL_VALUES}) 68 @CollectionSize.Require(absent = ZERO) testPutDuplicateValue_null()69 public void testPutDuplicateValue_null() { 70 initMultimapWithNullValue(); 71 assertFalse(multimap().put(getKeyForNullValue(), null)); 72 expectContents(createArrayWithNullValue()); 73 } 74 } 75