Howard Hinnant | 8784650 | 2010-08-12 21:14:20 +0000 | [diff] [blame] | 1 | //===----------------------------------------------------------------------===// |
| 2 | // |
| 3 | // The LLVM Compiler Infrastructure |
| 4 | // |
Howard Hinnant | b64f8b0 | 2010-11-16 22:09:02 +0000 | [diff] [blame] | 5 | // This file is dual licensed under the MIT and the University of Illinois Open |
| 6 | // Source Licenses. See LICENSE.TXT for details. |
Howard Hinnant | 8784650 | 2010-08-12 21:14:20 +0000 | [diff] [blame] | 7 | // |
| 8 | //===----------------------------------------------------------------------===// |
| 9 | |
| 10 | // <regex> |
| 11 | |
| 12 | // template <class charT, class traits = regex_traits<charT>> class basic_regex; |
| 13 | |
| 14 | // template <class ForwardIterator> |
| 15 | // basic_regex(ForwardIterator first, ForwardIterator last, |
| 16 | // flag_type f = regex_constants::ECMAScript); |
| 17 | |
| 18 | #include <regex> |
| 19 | #include <cassert> |
| 20 | |
Marshall Clow | 83e2c4d | 2013-01-05 03:21:01 +0000 | [diff] [blame] | 21 | #include "test_iterators.h" |
Howard Hinnant | 8784650 | 2010-08-12 21:14:20 +0000 | [diff] [blame] | 22 | |
| 23 | template <class Iter> |
| 24 | void |
| 25 | test(Iter first, Iter last, std::regex_constants::syntax_option_type f, unsigned mc) |
| 26 | { |
| 27 | std::basic_regex<typename std::iterator_traits<Iter>::value_type> r(first, last, f); |
| 28 | assert(r.flags() == f); |
| 29 | assert(r.mark_count() == mc); |
| 30 | } |
| 31 | |
| 32 | int main() |
| 33 | { |
| 34 | typedef forward_iterator<std::string::const_iterator> F; |
| 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(F(s1.begin()), F(s1.end()), std::regex_constants::basic, 1); |
| 41 | test(F(s2.begin()), F(s2.end()), std::regex_constants::basic, 1); |
| 42 | test(F(s3.begin()), F(s3.end()), std::regex_constants::basic, 2); |
| 43 | test(F(s4.begin()), F(s4.end()), std::regex_constants::basic, 0); |
| 44 | |
| 45 | test(F(s1.begin()), F(s1.end()), std::regex_constants::extended, 0); |
| 46 | test(F(s2.begin()), F(s2.end()), std::regex_constants::extended, 0); |
| 47 | test(F(s3.begin()), F(s3.end()), std::regex_constants::extended, 0); |
| 48 | test(F(s4.begin()), F(s4.end()), std::regex_constants::extended, 2); |
| 49 | |
| 50 | test(F(s1.begin()), F(s1.end()), std::regex_constants::ECMAScript, 0); |
| 51 | test(F(s2.begin()), F(s2.end()), std::regex_constants::ECMAScript, 0); |
| 52 | test(F(s3.begin()), F(s3.end()), std::regex_constants::ECMAScript, 0); |
| 53 | test(F(s4.begin()), F(s4.end()), std::regex_constants::ECMAScript, 2); |
| 54 | |
| 55 | test(F(s1.begin()), F(s1.end()), std::regex_constants::awk, 0); |
| 56 | test(F(s2.begin()), F(s2.end()), std::regex_constants::awk, 0); |
| 57 | test(F(s3.begin()), F(s3.end()), std::regex_constants::awk, 0); |
| 58 | test(F(s4.begin()), F(s4.end()), std::regex_constants::awk, 2); |
| 59 | |
| 60 | test(F(s1.begin()), F(s1.end()), std::regex_constants::grep, 1); |
| 61 | test(F(s2.begin()), F(s2.end()), std::regex_constants::grep, 1); |
| 62 | test(F(s3.begin()), F(s3.end()), std::regex_constants::grep, 2); |
| 63 | test(F(s4.begin()), F(s4.end()), std::regex_constants::grep, 0); |
| 64 | |
| 65 | test(F(s1.begin()), F(s1.end()), std::regex_constants::egrep, 0); |
| 66 | test(F(s2.begin()), F(s2.end()), std::regex_constants::egrep, 0); |
| 67 | test(F(s3.begin()), F(s3.end()), std::regex_constants::egrep, 0); |
| 68 | test(F(s4.begin()), F(s4.end()), std::regex_constants::egrep, 2); |
| 69 | } |