001/* 002 * Copyright (C) 2012 The Guava Authors 003 * 004 * Licensed under the Apache License, Version 2.0 (the "License"); 005 * you may not use this file except in compliance with the License. 006 * You may obtain a copy of the License at 007 * 008 * http://www.apache.org/licenses/LICENSE-2.0 009 * 010 * Unless required by applicable law or agreed to in writing, software 011 * distributed under the License is distributed on an "AS IS" BASIS, 012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 013 * See the License for the specific language governing permissions and 014 * limitations under the License. 015 */ 016package com.google.common.collect.testing.google; 017 018import com.google.common.annotations.GwtCompatible; 019import com.google.common.collect.SetMultimap; 020import com.google.common.collect.testing.Helpers; 021import com.google.common.collect.testing.SampleElements; 022import java.util.Collection; 023import java.util.List; 024import java.util.Map.Entry; 025 026/** 027 * A skeleton generator for a {@code SetMultimap} implementation. 028 * 029 * @author Louis Wasserman 030 */ 031@GwtCompatible 032public abstract class TestStringSetMultimapGenerator 033 implements TestSetMultimapGenerator<String, String> { 034 035 @Override 036 public SampleElements<Entry<String, String>> samples() { 037 return new SampleElements<>( 038 Helpers.mapEntry("one", "January"), 039 Helpers.mapEntry("two", "February"), 040 Helpers.mapEntry("three", "March"), 041 Helpers.mapEntry("four", "April"), 042 Helpers.mapEntry("five", "May")); 043 } 044 045 @Override 046 public SampleElements<String> sampleKeys() { 047 return new SampleElements<>("one", "two", "three", "four", "five"); 048 } 049 050 @Override 051 public SampleElements<String> sampleValues() { 052 return new SampleElements<>("January", "February", "March", "April", "May"); 053 } 054 055 @Override 056 public Collection<String> createCollection(Iterable<? extends String> values) { 057 return Helpers.copyToSet(values); 058 } 059 060 @Override 061 public final SetMultimap<String, String> create(Object... entries) { 062 @SuppressWarnings("unchecked") 063 Entry<String, String>[] array = new Entry[entries.length]; 064 int i = 0; 065 for (Object o : entries) { 066 @SuppressWarnings("unchecked") 067 Entry<String, String> e = (Entry<String, String>) o; 068 array[i++] = e; 069 } 070 return create(array); 071 } 072 073 protected abstract SetMultimap<String, String> create(Entry<String, String>[] entries); 074 075 @Override 076 @SuppressWarnings("unchecked") 077 public final Entry<String, String>[] createArray(int length) { 078 return new Entry[length]; 079 } 080 081 @Override 082 public final String[] createKeyArray(int length) { 083 return new String[length]; 084 } 085 086 @Override 087 public final String[] createValueArray(int length) { 088 return new String[length]; 089 } 090 091 /** Returns the original element list, unchanged. */ 092 @Override 093 public Iterable<Entry<String, String>> order(List<Entry<String, String>> insertionOrder) { 094 return insertionOrder; 095 } 096}