1//===----------------------------------------------------------------------===// 2// 3// The LLVM Compiler Infrastructure 4// 5// This file is dual licensed under the MIT and the University of Illinois Open 6// Source Licenses. See LICENSE.TXT for details. 7// 8//===----------------------------------------------------------------------===// 9 10// <algorithm> 11 12// template<InputIterator InIter1, InputIterator InIter2, typename OutIter> 13// requires OutputIterator<OutIter, InIter1::reference> 14// && OutputIterator<OutIter, InIter2::reference> 15// && HasLess<InIter2::value_type, InIter1::value_type> 16// && HasLess<InIter1::value_type, InIter2::value_type> 17// OutIter 18// set_intersection(InIter1 first1, InIter1 last1, InIter2 first2, InIter2 last2, 19// OutIter result); 20 21#include <algorithm> 22#include <cassert> 23 24#include "test_iterators.h" 25 26template <class Iter1, class Iter2, class OutIter> 27void 28test() 29{ 30 int ia[] = {1, 2, 2, 3, 3, 3, 4, 4, 4, 4}; 31 const int sa = sizeof(ia)/sizeof(ia[0]); 32 int ib[] = {2, 4, 4, 6}; 33 const int sb = sizeof(ib)/sizeof(ib[0]); 34 int ic[20]; 35 int ir[] = {2, 4, 4}; 36 const int sr = sizeof(ir)/sizeof(ir[0]); 37 OutIter ce = std::set_intersection(Iter1(ia), Iter1(ia+sa), 38 Iter2(ib), Iter2(ib+sb), OutIter(ic)); 39 assert(base(ce) - ic == sr); 40 assert(std::lexicographical_compare(ic, base(ce), ir, ir+sr) == 0); 41 ce = std::set_intersection(Iter1(ib), Iter1(ib+sb), 42 Iter2(ia), Iter2(ia+sa), OutIter(ic)); 43 assert(base(ce) - ic == sr); 44 assert(std::lexicographical_compare(ic, base(ce), ir, ir+sr) == 0); 45} 46 47int main() 48{ 49 test<input_iterator<const int*>, input_iterator<const int*>, output_iterator<int*> >(); 50 test<input_iterator<const int*>, input_iterator<const int*>, forward_iterator<int*> >(); 51 test<input_iterator<const int*>, input_iterator<const int*>, bidirectional_iterator<int*> >(); 52 test<input_iterator<const int*>, input_iterator<const int*>, random_access_iterator<int*> >(); 53 test<input_iterator<const int*>, input_iterator<const int*>, int*>(); 54 55 test<input_iterator<const int*>, forward_iterator<const int*>, output_iterator<int*> >(); 56 test<input_iterator<const int*>, forward_iterator<const int*>, forward_iterator<int*> >(); 57 test<input_iterator<const int*>, forward_iterator<const int*>, bidirectional_iterator<int*> >(); 58 test<input_iterator<const int*>, forward_iterator<const int*>, random_access_iterator<int*> >(); 59 test<input_iterator<const int*>, forward_iterator<const int*>, int*>(); 60 61 test<input_iterator<const int*>, bidirectional_iterator<const int*>, output_iterator<int*> >(); 62 test<input_iterator<const int*>, bidirectional_iterator<const int*>, forward_iterator<int*> >(); 63 test<input_iterator<const int*>, bidirectional_iterator<const int*>, bidirectional_iterator<int*> >(); 64 test<input_iterator<const int*>, bidirectional_iterator<const int*>, random_access_iterator<int*> >(); 65 test<input_iterator<const int*>, bidirectional_iterator<const int*>, int*>(); 66 67 test<input_iterator<const int*>, random_access_iterator<const int*>, output_iterator<int*> >(); 68 test<input_iterator<const int*>, random_access_iterator<const int*>, forward_iterator<int*> >(); 69 test<input_iterator<const int*>, random_access_iterator<const int*>, bidirectional_iterator<int*> >(); 70 test<input_iterator<const int*>, random_access_iterator<const int*>, random_access_iterator<int*> >(); 71 test<input_iterator<const int*>, random_access_iterator<const int*>, int*>(); 72 73 test<input_iterator<const int*>, const int*, output_iterator<int*> >(); 74 test<input_iterator<const int*>, const int*, forward_iterator<int*> >(); 75 test<input_iterator<const int*>, const int*, bidirectional_iterator<int*> >(); 76 test<input_iterator<const int*>, const int*, random_access_iterator<int*> >(); 77 test<input_iterator<const int*>, const int*, int*>(); 78 79 test<forward_iterator<const int*>, input_iterator<const int*>, output_iterator<int*> >(); 80 test<forward_iterator<const int*>, input_iterator<const int*>, forward_iterator<int*> >(); 81 test<forward_iterator<const int*>, input_iterator<const int*>, bidirectional_iterator<int*> >(); 82 test<forward_iterator<const int*>, input_iterator<const int*>, random_access_iterator<int*> >(); 83 test<forward_iterator<const int*>, input_iterator<const int*>, int*>(); 84 85 test<forward_iterator<const int*>, forward_iterator<const int*>, output_iterator<int*> >(); 86 test<forward_iterator<const int*>, forward_iterator<const int*>, forward_iterator<int*> >(); 87 test<forward_iterator<const int*>, forward_iterator<const int*>, bidirectional_iterator<int*> >(); 88 test<forward_iterator<const int*>, forward_iterator<const int*>, random_access_iterator<int*> >(); 89 test<forward_iterator<const int*>, forward_iterator<const int*>, int*>(); 90 91 test<forward_iterator<const int*>, bidirectional_iterator<const int*>, output_iterator<int*> >(); 92 test<forward_iterator<const int*>, bidirectional_iterator<const int*>, forward_iterator<int*> >(); 93 test<forward_iterator<const int*>, bidirectional_iterator<const int*>, bidirectional_iterator<int*> >(); 94 test<forward_iterator<const int*>, bidirectional_iterator<const int*>, random_access_iterator<int*> >(); 95 test<forward_iterator<const int*>, bidirectional_iterator<const int*>, int*>(); 96 97 test<forward_iterator<const int*>, random_access_iterator<const int*>, output_iterator<int*> >(); 98 test<forward_iterator<const int*>, random_access_iterator<const int*>, forward_iterator<int*> >(); 99 test<forward_iterator<const int*>, random_access_iterator<const int*>, bidirectional_iterator<int*> >(); 100 test<forward_iterator<const int*>, random_access_iterator<const int*>, random_access_iterator<int*> >(); 101 test<forward_iterator<const int*>, random_access_iterator<const int*>, int*>(); 102 103 test<forward_iterator<const int*>, const int*, output_iterator<int*> >(); 104 test<forward_iterator<const int*>, const int*, forward_iterator<int*> >(); 105 test<forward_iterator<const int*>, const int*, bidirectional_iterator<int*> >(); 106 test<forward_iterator<const int*>, const int*, random_access_iterator<int*> >(); 107 test<forward_iterator<const int*>, const int*, int*>(); 108 109 test<bidirectional_iterator<const int*>, input_iterator<const int*>, output_iterator<int*> >(); 110 test<bidirectional_iterator<const int*>, input_iterator<const int*>, bidirectional_iterator<int*> >(); 111 test<bidirectional_iterator<const int*>, input_iterator<const int*>, bidirectional_iterator<int*> >(); 112 test<bidirectional_iterator<const int*>, input_iterator<const int*>, random_access_iterator<int*> >(); 113 test<bidirectional_iterator<const int*>, input_iterator<const int*>, int*>(); 114 115 test<bidirectional_iterator<const int*>, forward_iterator<const int*>, output_iterator<int*> >(); 116 test<bidirectional_iterator<const int*>, forward_iterator<const int*>, forward_iterator<int*> >(); 117 test<bidirectional_iterator<const int*>, forward_iterator<const int*>, bidirectional_iterator<int*> >(); 118 test<bidirectional_iterator<const int*>, forward_iterator<const int*>, random_access_iterator<int*> >(); 119 test<bidirectional_iterator<const int*>, forward_iterator<const int*>, int*>(); 120 121 test<bidirectional_iterator<const int*>, bidirectional_iterator<const int*>, output_iterator<int*> >(); 122 test<bidirectional_iterator<const int*>, bidirectional_iterator<const int*>, forward_iterator<int*> >(); 123 test<bidirectional_iterator<const int*>, bidirectional_iterator<const int*>, bidirectional_iterator<int*> >(); 124 test<bidirectional_iterator<const int*>, bidirectional_iterator<const int*>, random_access_iterator<int*> >(); 125 test<bidirectional_iterator<const int*>, bidirectional_iterator<const int*>, int*>(); 126 127 test<bidirectional_iterator<const int*>, random_access_iterator<const int*>, output_iterator<int*> >(); 128 test<bidirectional_iterator<const int*>, random_access_iterator<const int*>, forward_iterator<int*> >(); 129 test<bidirectional_iterator<const int*>, random_access_iterator<const int*>, bidirectional_iterator<int*> >(); 130 test<bidirectional_iterator<const int*>, random_access_iterator<const int*>, random_access_iterator<int*> >(); 131 test<bidirectional_iterator<const int*>, random_access_iterator<const int*>, int*>(); 132 133 test<bidirectional_iterator<const int*>, const int*, output_iterator<int*> >(); 134 test<bidirectional_iterator<const int*>, const int*, forward_iterator<int*> >(); 135 test<bidirectional_iterator<const int*>, const int*, bidirectional_iterator<int*> >(); 136 test<bidirectional_iterator<const int*>, const int*, random_access_iterator<int*> >(); 137 test<bidirectional_iterator<const int*>, const int*, int*>(); 138 139 test<random_access_iterator<const int*>, input_iterator<const int*>, output_iterator<int*> >(); 140 test<random_access_iterator<const int*>, input_iterator<const int*>, bidirectional_iterator<int*> >(); 141 test<random_access_iterator<const int*>, input_iterator<const int*>, bidirectional_iterator<int*> >(); 142 test<random_access_iterator<const int*>, input_iterator<const int*>, random_access_iterator<int*> >(); 143 test<random_access_iterator<const int*>, input_iterator<const int*>, int*>(); 144 145 test<random_access_iterator<const int*>, forward_iterator<const int*>, output_iterator<int*> >(); 146 test<random_access_iterator<const int*>, forward_iterator<const int*>, forward_iterator<int*> >(); 147 test<random_access_iterator<const int*>, forward_iterator<const int*>, bidirectional_iterator<int*> >(); 148 test<random_access_iterator<const int*>, forward_iterator<const int*>, random_access_iterator<int*> >(); 149 test<random_access_iterator<const int*>, forward_iterator<const int*>, int*>(); 150 151 test<random_access_iterator<const int*>, bidirectional_iterator<const int*>, output_iterator<int*> >(); 152 test<random_access_iterator<const int*>, bidirectional_iterator<const int*>, forward_iterator<int*> >(); 153 test<random_access_iterator<const int*>, bidirectional_iterator<const int*>, bidirectional_iterator<int*> >(); 154 test<random_access_iterator<const int*>, bidirectional_iterator<const int*>, random_access_iterator<int*> >(); 155 test<random_access_iterator<const int*>, bidirectional_iterator<const int*>, int*>(); 156 157 test<random_access_iterator<const int*>, random_access_iterator<const int*>, output_iterator<int*> >(); 158 test<random_access_iterator<const int*>, random_access_iterator<const int*>, forward_iterator<int*> >(); 159 test<random_access_iterator<const int*>, random_access_iterator<const int*>, bidirectional_iterator<int*> >(); 160 test<random_access_iterator<const int*>, random_access_iterator<const int*>, random_access_iterator<int*> >(); 161 test<random_access_iterator<const int*>, random_access_iterator<const int*>, int*>(); 162 163 test<random_access_iterator<const int*>, const int*, output_iterator<int*> >(); 164 test<random_access_iterator<const int*>, const int*, forward_iterator<int*> >(); 165 test<random_access_iterator<const int*>, const int*, bidirectional_iterator<int*> >(); 166 test<random_access_iterator<const int*>, const int*, random_access_iterator<int*> >(); 167 test<random_access_iterator<const int*>, const int*, int*>(); 168 169 test<const int*, input_iterator<const int*>, output_iterator<int*> >(); 170 test<const int*, input_iterator<const int*>, bidirectional_iterator<int*> >(); 171 test<const int*, input_iterator<const int*>, bidirectional_iterator<int*> >(); 172 test<const int*, input_iterator<const int*>, random_access_iterator<int*> >(); 173 test<const int*, input_iterator<const int*>, int*>(); 174 175 test<const int*, forward_iterator<const int*>, output_iterator<int*> >(); 176 test<const int*, forward_iterator<const int*>, forward_iterator<int*> >(); 177 test<const int*, forward_iterator<const int*>, bidirectional_iterator<int*> >(); 178 test<const int*, forward_iterator<const int*>, random_access_iterator<int*> >(); 179 test<const int*, forward_iterator<const int*>, int*>(); 180 181 test<const int*, bidirectional_iterator<const int*>, output_iterator<int*> >(); 182 test<const int*, bidirectional_iterator<const int*>, forward_iterator<int*> >(); 183 test<const int*, bidirectional_iterator<const int*>, bidirectional_iterator<int*> >(); 184 test<const int*, bidirectional_iterator<const int*>, random_access_iterator<int*> >(); 185 test<const int*, bidirectional_iterator<const int*>, int*>(); 186 187 test<const int*, random_access_iterator<const int*>, output_iterator<int*> >(); 188 test<const int*, random_access_iterator<const int*>, forward_iterator<int*> >(); 189 test<const int*, random_access_iterator<const int*>, bidirectional_iterator<int*> >(); 190 test<const int*, random_access_iterator<const int*>, random_access_iterator<int*> >(); 191 test<const int*, random_access_iterator<const int*>, int*>(); 192 193 test<const int*, const int*, output_iterator<int*> >(); 194 test<const int*, const int*, forward_iterator<int*> >(); 195 test<const int*, const int*, bidirectional_iterator<int*> >(); 196 test<const int*, const int*, random_access_iterator<int*> >(); 197 test<const int*, const int*, int*>(); 198} 199