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 // UNSUPPORTED: c++98, c++03 11 12 // <regex> 13 14 // template <class charT, class traits = regex_traits<charT>> class basic_regex; 15 16 // basic_regex(initializer_list<charT> il, 17 // flag_type f = regex_constants::ECMAScript); 18 19 #include <regex> 20 #include <cassert> 21 #include "test_macros.h" 22 23 24 void 25 test(std::initializer_list<char> il, std::regex_constants::syntax_option_type f, unsigned mc) 26 { 27 std::basic_regex<char> r(il, f); 28 assert(r.flags() == f); 29 assert(r.mark_count() == mc); 30 } 31 32 33 int main() 34 { 35 std::string s1("\\(a\\)"); 36 std::string s2("\\(a[bc]\\)"); 37 std::string s3("\\(a\\([bc]\\)\\)"); 38 std::string s4("(a([bc]))"); 39 40 test({'\\', '(', 'a', '\\', ')'}, std::regex_constants::basic, 1); 41 test({'\\', '(', 'a', '[', 'b', 'c', ']', '\\', ')'}, std::regex_constants::basic, 1); 42 test({'\\', '(', 'a', '\\', '(', '[', 'b', 'c', ']', '\\', ')', '\\', ')'}, std::regex_constants::basic, 2); 43 test({'(', 'a', '(', '[', 'b', 'c', ']', ')', ')'}, std::regex_constants::basic, 0); 44 45 test({'\\', '(', 'a', '\\', ')'}, std::regex_constants::extended, 0); 46 test({'\\', '(', 'a', '[', 'b', 'c', ']', '\\', ')'}, std::regex_constants::extended, 0); 47 test({'\\', '(', 'a', '\\', '(', '[', 'b', 'c', ']', '\\', ')', '\\', ')'}, std::regex_constants::extended, 0); 48 test({'(', 'a', '(', '[', 'b', 'c', ']', ')', ')'}, std::regex_constants::extended, 2); 49 50 test({'\\', '(', 'a', '\\', ')'}, std::regex_constants::ECMAScript, 0); 51 test({'\\', '(', 'a', '[', 'b', 'c', ']', '\\', ')'}, std::regex_constants::ECMAScript, 0); 52 test({'\\', '(', 'a', '\\', '(', '[', 'b', 'c', ']', '\\', ')', '\\', ')'}, std::regex_constants::ECMAScript, 0); 53 test({'(', 'a', '(', '[', 'b', 'c', ']', ')', ')'}, std::regex_constants::ECMAScript, 2); 54 55 test({'\\', '(', 'a', '\\', ')'}, std::regex_constants::awk, 0); 56 test({'\\', '(', 'a', '[', 'b', 'c', ']', '\\', ')'}, std::regex_constants::awk, 0); 57 test({'\\', '(', 'a', '\\', '(', '[', 'b', 'c', ']', '\\', ')', '\\', ')'}, std::regex_constants::awk, 0); 58 test({'(', 'a', '(', '[', 'b', 'c', ']', ')', ')'}, std::regex_constants::awk, 2); 59 60 test({'\\', '(', 'a', '\\', ')'}, std::regex_constants::grep, 1); 61 test({'\\', '(', 'a', '[', 'b', 'c', ']', '\\', ')'}, std::regex_constants::grep, 1); 62 test({'\\', '(', 'a', '\\', '(', '[', 'b', 'c', ']', '\\', ')', '\\', ')'}, std::regex_constants::grep, 2); 63 test({'(', 'a', '(', '[', 'b', 'c', ']', ')', ')'}, std::regex_constants::grep, 0); 64 65 test({'\\', '(', 'a', '\\', ')'}, std::regex_constants::egrep, 0); 66 test({'\\', '(', 'a', '[', 'b', 'c', ']', '\\', ')'}, std::regex_constants::egrep, 0); 67 test({'\\', '(', 'a', '\\', '(', '[', 'b', 'c', ']', '\\', ')', '\\', ')'}, std::regex_constants::egrep, 0); 68 test({'(', 'a', '(', '[', 'b', 'c', ']', ')', ')'}, std::regex_constants::egrep, 2); 69 } 70
