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 // <regex> 11 12 // template <class charT> struct regex_traits; 13 14 // template <class ForwardIterator> 15 // char_class_type 16 // lookup_classname(ForwardIterator first, ForwardIterator last, 17 // bool icase = false) const; 18 19 #include <regex> 20 #include <cassert> 21 #include "test_macros.h" 22 #include "test_iterators.h" 23 24 template <class char_type> 25 void 26 test(const char_type* A, 27 typename std::regex_traits<char_type>::char_class_type expected, 28 bool icase = false) 29 { 30 std::regex_traits<char_type> t; 31 typedef forward_iterator<const char_type*> F; 32 assert(t.lookup_classname(F(A), F(A + t.length(A)), icase) == expected); 33 } 34 35 int main() 36 { 37 // if __regex_word is not distinct from all the classes, bad things happen 38 // See https://llvm.org/bugs/show_bug.cgi?id=26476 for an example. 39 assert((std::ctype_base::space & std::regex_traits<char>::__regex_word) == 0); 40 assert((std::ctype_base::print & std::regex_traits<char>::__regex_word) == 0); 41 assert((std::ctype_base::cntrl & std::regex_traits<char>::__regex_word) == 0); 42 assert((std::ctype_base::upper & std::regex_traits<char>::__regex_word) == 0); 43 assert((std::ctype_base::lower & std::regex_traits<char>::__regex_word) == 0); 44 assert((std::ctype_base::alpha & std::regex_traits<char>::__regex_word) == 0); 45 assert((std::ctype_base::digit & std::regex_traits<char>::__regex_word) == 0); 46 assert((std::ctype_base::punct & std::regex_traits<char>::__regex_word) == 0); 47 assert((std::ctype_base::xdigit & std::regex_traits<char>::__regex_word) == 0); 48 assert((std::ctype_base::blank & std::regex_traits<char>::__regex_word) == 0); 49 50 test("d", std::ctype_base::digit); 51 test("D", std::ctype_base::digit); 52 test("d", std::ctype_base::digit, true); 53 test("D", std::ctype_base::digit, true); 54 55 test("w", std::regex_traits<char>::__regex_word | std::ctype_base::alnum 56 | std::ctype_base::upper | std::ctype_base::lower); 57 test("W", std::regex_traits<char>::__regex_word | std::ctype_base::alnum 58 | std::ctype_base::upper | std::ctype_base::lower); 59 test("w", std::regex_traits<char>::__regex_word | std::ctype_base::alnum 60 | std::ctype_base::upper | std::ctype_base::lower, true); 61 test("W", std::regex_traits<char>::__regex_word | std::ctype_base::alnum 62 | std::ctype_base::upper | std::ctype_base::lower, true); 63 64 test("s", std::ctype_base::space); 65 test("S", std::ctype_base::space); 66 test("s", std::ctype_base::space, true); 67 test("S", std::ctype_base::space, true); 68 69 test("alnum", std::ctype_base::alnum); 70 test("AlNum", std::ctype_base::alnum); 71 test("alnum", std::ctype_base::alnum, true); 72 test("AlNum", std::ctype_base::alnum, true); 73 74 test("alpha", std::ctype_base::alpha); 75 test("Alpha", std::ctype_base::alpha); 76 test("alpha", std::ctype_base::alpha, true); 77 test("Alpha", std::ctype_base::alpha, true); 78 79 test("blank", std::ctype_base::blank); 80 test("Blank", std::ctype_base::blank); 81 test("blank", std::ctype_base::blank, true); 82 test("Blank", std::ctype_base::blank, true); 83 84 test("cntrl", std::ctype_base::cntrl); 85 test("Cntrl", std::ctype_base::cntrl); 86 test("cntrl", std::ctype_base::cntrl, true); 87 test("Cntrl", std::ctype_base::cntrl, true); 88 89 test("digit", std::ctype_base::digit); 90 test("Digit", std::ctype_base::digit); 91 test("digit", std::ctype_base::digit, true); 92 test("Digit", std::ctype_base::digit, true); 93 94 test("digit", std::ctype_base::digit); 95 test("DIGIT", std::ctype_base::digit); 96 test("digit", std::ctype_base::digit, true); 97 test("Digit", std::ctype_base::digit, true); 98 99 test("graph", std::ctype_base::graph); 100 test("GRAPH", std::ctype_base::graph); 101 test("graph", std::ctype_base::graph, true); 102 test("Graph", std::ctype_base::graph, true); 103 104 test("lower", std::ctype_base::lower); 105 test("LOWER", std::ctype_base::lower); 106 test("lower", std::ctype_base::lower | std::ctype_base::alpha, true); 107 test("Lower", std::ctype_base::lower | std::ctype_base::alpha, true); 108 109 test("print", std::ctype_base::print); 110 test("PRINT", std::ctype_base::print); 111 test("print", std::ctype_base::print, true); 112 test("Print", std::ctype_base::print, true); 113 114 test("punct", std::ctype_base::punct); 115 test("PUNCT", std::ctype_base::punct); 116 test("punct", std::ctype_base::punct, true); 117 test("Punct", std::ctype_base::punct, true); 118 119 test("space", std::ctype_base::space); 120 test("SPACE", std::ctype_base::space); 121 test("space", std::ctype_base::space, true); 122 test("Space", std::ctype_base::space, true); 123 124 test("upper", std::ctype_base::upper); 125 test("UPPER", std::ctype_base::upper); 126 test("upper", std::ctype_base::upper | std::ctype_base::alpha, true); 127 test("Upper", std::ctype_base::upper | std::ctype_base::alpha, true); 128 129 test("xdigit", std::ctype_base::xdigit); 130 test("XDIGIT", std::ctype_base::xdigit); 131 test("xdigit", std::ctype_base::xdigit, true); 132 test("Xdigit", std::ctype_base::xdigit, true); 133 134 test("dig", std::ctype_base::mask()); 135 test("", std::ctype_base::mask()); 136 test("digits", std::ctype_base::mask()); 137 138 test(L"d", std::ctype_base::digit); 139 test(L"D", std::ctype_base::digit); 140 test(L"d", std::ctype_base::digit, true); 141 test(L"D", std::ctype_base::digit, true); 142 143 test(L"w", std::regex_traits<wchar_t>::__regex_word | std::ctype_base::alnum 144 | std::ctype_base::upper | std::ctype_base::lower); 145 test(L"W", std::regex_traits<wchar_t>::__regex_word | std::ctype_base::alnum 146 | std::ctype_base::upper | std::ctype_base::lower); 147 test(L"w", std::regex_traits<wchar_t>::__regex_word | std::ctype_base::alnum 148 | std::ctype_base::upper | std::ctype_base::lower, true); 149 test(L"W", std::regex_traits<wchar_t>::__regex_word | std::ctype_base::alnum 150 | std::ctype_base::upper | std::ctype_base::lower, true); 151 152 test(L"s", std::ctype_base::space); 153 test(L"S", std::ctype_base::space); 154 test(L"s", std::ctype_base::space, true); 155 test(L"S", std::ctype_base::space, true); 156 157 test(L"alnum", std::ctype_base::alnum); 158 test(L"AlNum", std::ctype_base::alnum); 159 test(L"alnum", std::ctype_base::alnum, true); 160 test(L"AlNum", std::ctype_base::alnum, true); 161 162 test(L"alpha", std::ctype_base::alpha); 163 test(L"Alpha", std::ctype_base::alpha); 164 test(L"alpha", std::ctype_base::alpha, true); 165 test(L"Alpha", std::ctype_base::alpha, true); 166 167 test(L"blank", std::ctype_base::blank); 168 test(L"Blank", std::ctype_base::blank); 169 test(L"blank", std::ctype_base::blank, true); 170 test(L"Blank", std::ctype_base::blank, true); 171 172 test(L"cntrl", std::ctype_base::cntrl); 173 test(L"Cntrl", std::ctype_base::cntrl); 174 test(L"cntrl", std::ctype_base::cntrl, true); 175 test(L"Cntrl", std::ctype_base::cntrl, true); 176 177 test(L"digit", std::ctype_base::digit); 178 test(L"Digit", std::ctype_base::digit); 179 test(L"digit", std::ctype_base::digit, true); 180 test(L"Digit", std::ctype_base::digit, true); 181 182 test(L"digit", std::ctype_base::digit); 183 test(L"DIGIT", std::ctype_base::digit); 184 test(L"digit", std::ctype_base::digit, true); 185 test(L"Digit", std::ctype_base::digit, true); 186 187 test(L"graph", std::ctype_base::graph); 188 test(L"GRAPH", std::ctype_base::graph); 189 test(L"graph", std::ctype_base::graph, true); 190 test(L"Graph", std::ctype_base::graph, true); 191 192 test(L"lower", std::ctype_base::lower); 193 test(L"LOWER", std::ctype_base::lower); 194 test(L"lower", std::ctype_base::lower | std::ctype_base::alpha, true); 195 test(L"Lower", std::ctype_base::lower | std::ctype_base::alpha, true); 196 197 test(L"print", std::ctype_base::print); 198 test(L"PRINT", std::ctype_base::print); 199 test(L"print", std::ctype_base::print, true); 200 test(L"Print", std::ctype_base::print, true); 201 202 test(L"punct", std::ctype_base::punct); 203 test(L"PUNCT", std::ctype_base::punct); 204 test(L"punct", std::ctype_base::punct, true); 205 test(L"Punct", std::ctype_base::punct, true); 206 207 test(L"space", std::ctype_base::space); 208 test(L"SPACE", std::ctype_base::space); 209 test(L"space", std::ctype_base::space, true); 210 test(L"Space", std::ctype_base::space, true); 211 212 test(L"upper", std::ctype_base::upper); 213 test(L"UPPER", std::ctype_base::upper); 214 test(L"upper", std::ctype_base::upper | std::ctype_base::alpha, true); 215 test(L"Upper", std::ctype_base::upper | std::ctype_base::alpha, true); 216 217 test(L"xdigit", std::ctype_base::xdigit); 218 test(L"XDIGIT", std::ctype_base::xdigit); 219 test(L"xdigit", std::ctype_base::xdigit, true); 220 test(L"Xdigit", std::ctype_base::xdigit, true); 221 222 test(L"dig", std::ctype_base::mask()); 223 test(L"", std::ctype_base::mask()); 224 test(L"digits", std::ctype_base::mask()); 225 } 226
