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 typedef typename std::regex_traits<char_type>::char_class_type char_class_type; 31 std::regex_traits<char_type> t; 32 typedef forward_iterator<const char_type*> F; 33 char_class_type result = t.lookup_classname(F(A), F(A + t.length(A)), icase); 34 assert(result == expected); 35 } 36 37 template <class char_type> 38 void 39 test_w(const char_type* A, 40 typename std::regex_traits<char_type>::char_class_type expected, 41 bool icase = false) 42 { 43 typedef typename std::regex_traits<char_type>::char_class_type char_class_type; 44 std::regex_traits<char_type> t; 45 typedef forward_iterator<const char_type*> F; 46 char_class_type result = t.lookup_classname(F(A), F(A + t.length(A)), icase); 47 assert((result & expected) == expected); 48 LIBCPP_ASSERT((expected | std::regex_traits<char_type>::__regex_word) == result); 49 50 const bool matches_underscore = t.isctype('_', result); 51 if (result != expected) 52 assert(matches_underscore && "expected to match underscore"); 53 else 54 assert(!matches_underscore && "should not match underscore"); 55 } 56 57 int main() 58 { 59 // if __regex_word is not distinct from all the classes, bad things happen 60 // See https://bugs.llvm.org/show_bug.cgi?id=26476 for an example. 61 LIBCPP_ASSERT((std::ctype_base::space & std::regex_traits<char>::__regex_word) == 0); 62 LIBCPP_ASSERT((std::ctype_base::print & std::regex_traits<char>::__regex_word) == 0); 63 LIBCPP_ASSERT((std::ctype_base::cntrl & std::regex_traits<char>::__regex_word) == 0); 64 LIBCPP_ASSERT((std::ctype_base::upper & std::regex_traits<char>::__regex_word) == 0); 65 LIBCPP_ASSERT((std::ctype_base::lower & std::regex_traits<char>::__regex_word) == 0); 66 LIBCPP_ASSERT((std::ctype_base::alpha & std::regex_traits<char>::__regex_word) == 0); 67 LIBCPP_ASSERT((std::ctype_base::digit & std::regex_traits<char>::__regex_word) == 0); 68 LIBCPP_ASSERT((std::ctype_base::punct & std::regex_traits<char>::__regex_word) == 0); 69 LIBCPP_ASSERT((std::ctype_base::xdigit & std::regex_traits<char>::__regex_word) == 0); 70 LIBCPP_ASSERT((std::ctype_base::blank & std::regex_traits<char>::__regex_word) == 0); 71 72 test("d", std::ctype_base::digit); 73 test("D", std::ctype_base::digit); 74 test("d", std::ctype_base::digit, true); 75 test("D", std::ctype_base::digit, true); 76 77 test_w("w", std::ctype_base::alnum 78 | std::ctype_base::upper | std::ctype_base::lower); 79 test_w("W", std::ctype_base::alnum 80 | std::ctype_base::upper | std::ctype_base::lower); 81 test_w("w", std::ctype_base::alnum 82 | std::ctype_base::upper | std::ctype_base::lower, true); 83 test_w("W", std::ctype_base::alnum 84 | std::ctype_base::upper | std::ctype_base::lower, true); 85 86 test("s", std::ctype_base::space); 87 test("S", std::ctype_base::space); 88 test("s", std::ctype_base::space, true); 89 test("S", std::ctype_base::space, true); 90 91 test("alnum", std::ctype_base::alnum); 92 test("AlNum", std::ctype_base::alnum); 93 test("alnum", std::ctype_base::alnum, true); 94 test("AlNum", std::ctype_base::alnum, true); 95 96 test("alpha", std::ctype_base::alpha); 97 test("Alpha", std::ctype_base::alpha); 98 test("alpha", std::ctype_base::alpha, true); 99 test("Alpha", std::ctype_base::alpha, true); 100 101 test("blank", std::ctype_base::blank); 102 test("Blank", std::ctype_base::blank); 103 test("blank", std::ctype_base::blank, true); 104 test("Blank", std::ctype_base::blank, true); 105 106 test("cntrl", std::ctype_base::cntrl); 107 test("Cntrl", std::ctype_base::cntrl); 108 test("cntrl", std::ctype_base::cntrl, true); 109 test("Cntrl", std::ctype_base::cntrl, true); 110 111 test("digit", std::ctype_base::digit); 112 test("Digit", std::ctype_base::digit); 113 test("digit", std::ctype_base::digit, true); 114 test("Digit", std::ctype_base::digit, true); 115 116 test("digit", std::ctype_base::digit); 117 test("DIGIT", std::ctype_base::digit); 118 test("digit", std::ctype_base::digit, true); 119 test("Digit", std::ctype_base::digit, true); 120 121 test("graph", std::ctype_base::graph); 122 test("GRAPH", std::ctype_base::graph); 123 test("graph", std::ctype_base::graph, true); 124 test("Graph", std::ctype_base::graph, true); 125 126 test("lower", std::ctype_base::lower); 127 test("LOWER", std::ctype_base::lower); 128 test("lower", std::ctype_base::lower | std::ctype_base::alpha, true); 129 test("Lower", std::ctype_base::lower | std::ctype_base::alpha, true); 130 131 test("print", std::ctype_base::print); 132 test("PRINT", std::ctype_base::print); 133 test("print", std::ctype_base::print, true); 134 test("Print", std::ctype_base::print, true); 135 136 test("punct", std::ctype_base::punct); 137 test("PUNCT", std::ctype_base::punct); 138 test("punct", std::ctype_base::punct, true); 139 test("Punct", std::ctype_base::punct, true); 140 141 test("space", std::ctype_base::space); 142 test("SPACE", std::ctype_base::space); 143 test("space", std::ctype_base::space, true); 144 test("Space", std::ctype_base::space, true); 145 146 test("upper", std::ctype_base::upper); 147 test("UPPER", std::ctype_base::upper); 148 test("upper", std::ctype_base::upper | std::ctype_base::alpha, true); 149 test("Upper", std::ctype_base::upper | std::ctype_base::alpha, true); 150 151 test("xdigit", std::ctype_base::xdigit); 152 test("XDIGIT", std::ctype_base::xdigit); 153 test("xdigit", std::ctype_base::xdigit, true); 154 test("Xdigit", std::ctype_base::xdigit, true); 155 156 test("dig", std::ctype_base::mask()); 157 test("", std::ctype_base::mask()); 158 test("digits", std::ctype_base::mask()); 159 160 test(L"d", std::ctype_base::digit); 161 test(L"D", std::ctype_base::digit); 162 test(L"d", std::ctype_base::digit, true); 163 test(L"D", std::ctype_base::digit, true); 164 165 test_w(L"w", std::ctype_base::alnum 166 | std::ctype_base::upper | std::ctype_base::lower); 167 test_w(L"W", std::ctype_base::alnum 168 | std::ctype_base::upper | std::ctype_base::lower); 169 test_w(L"w", std::ctype_base::alnum 170 | std::ctype_base::upper | std::ctype_base::lower, true); 171 test_w(L"W", std::ctype_base::alnum 172 | std::ctype_base::upper | std::ctype_base::lower, true); 173 174 test(L"s", std::ctype_base::space); 175 test(L"S", std::ctype_base::space); 176 test(L"s", std::ctype_base::space, true); 177 test(L"S", std::ctype_base::space, true); 178 179 test(L"alnum", std::ctype_base::alnum); 180 test(L"AlNum", std::ctype_base::alnum); 181 test(L"alnum", std::ctype_base::alnum, true); 182 test(L"AlNum", std::ctype_base::alnum, true); 183 184 test(L"alpha", std::ctype_base::alpha); 185 test(L"Alpha", std::ctype_base::alpha); 186 test(L"alpha", std::ctype_base::alpha, true); 187 test(L"Alpha", std::ctype_base::alpha, true); 188 189 test(L"blank", std::ctype_base::blank); 190 test(L"Blank", std::ctype_base::blank); 191 test(L"blank", std::ctype_base::blank, true); 192 test(L"Blank", std::ctype_base::blank, true); 193 194 test(L"cntrl", std::ctype_base::cntrl); 195 test(L"Cntrl", std::ctype_base::cntrl); 196 test(L"cntrl", std::ctype_base::cntrl, true); 197 test(L"Cntrl", std::ctype_base::cntrl, true); 198 199 test(L"digit", std::ctype_base::digit); 200 test(L"Digit", std::ctype_base::digit); 201 test(L"digit", std::ctype_base::digit, true); 202 test(L"Digit", std::ctype_base::digit, true); 203 204 test(L"digit", std::ctype_base::digit); 205 test(L"DIGIT", std::ctype_base::digit); 206 test(L"digit", std::ctype_base::digit, true); 207 test(L"Digit", std::ctype_base::digit, true); 208 209 test(L"graph", std::ctype_base::graph); 210 test(L"GRAPH", std::ctype_base::graph); 211 test(L"graph", std::ctype_base::graph, true); 212 test(L"Graph", std::ctype_base::graph, true); 213 214 test(L"lower", std::ctype_base::lower); 215 test(L"LOWER", std::ctype_base::lower); 216 test(L"lower", std::ctype_base::lower | std::ctype_base::alpha, true); 217 test(L"Lower", std::ctype_base::lower | std::ctype_base::alpha, true); 218 219 test(L"print", std::ctype_base::print); 220 test(L"PRINT", std::ctype_base::print); 221 test(L"print", std::ctype_base::print, true); 222 test(L"Print", std::ctype_base::print, true); 223 224 test(L"punct", std::ctype_base::punct); 225 test(L"PUNCT", std::ctype_base::punct); 226 test(L"punct", std::ctype_base::punct, true); 227 test(L"Punct", std::ctype_base::punct, true); 228 229 test(L"space", std::ctype_base::space); 230 test(L"SPACE", std::ctype_base::space); 231 test(L"space", std::ctype_base::space, true); 232 test(L"Space", std::ctype_base::space, true); 233 234 test(L"upper", std::ctype_base::upper); 235 test(L"UPPER", std::ctype_base::upper); 236 test(L"upper", std::ctype_base::upper | std::ctype_base::alpha, true); 237 test(L"Upper", std::ctype_base::upper | std::ctype_base::alpha, true); 238 239 test(L"xdigit", std::ctype_base::xdigit); 240 test(L"XDIGIT", std::ctype_base::xdigit); 241 test(L"xdigit", std::ctype_base::xdigit, true); 242 test(L"Xdigit", std::ctype_base::xdigit, true); 243 244 test(L"dig", std::ctype_base::mask()); 245 test(L"", std::ctype_base::mask()); 246 test(L"digits", std::ctype_base::mask()); 247 } 248
