| //===----------------------------------------------------------------------===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is dual licensed under the MIT and the University of Illinois Open |
| // Source Licenses. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| // <regex> |
| |
| // template <class BidirectionalIterator, class Allocator, class charT, class traits> |
| // bool |
| // regex_search(BidirectionalIterator first, BidirectionalIterator last, |
| // match_results<BidirectionalIterator, Allocator>& m, |
| // const basic_regex<charT, traits>& e, |
| // regex_constants::match_flag_type flags = regex_constants::match_default); |
| |
| #include <regex> |
| #include <string> |
| #include <list> |
| #include <cassert> |
| |
| int main() |
| { |
| // This regex_iterator uses regex_search(__wrap_iter<_Iter> __first, ...) |
| // Test for http://llvm.org/bugs/show_bug.cgi?id=16240 fixed in r185273. |
| { |
| std::string s("aaaa a"); |
| std::regex re("\\ba"); |
| std::sregex_iterator it(s.begin(), s.end(), re); |
| std::sregex_iterator end = std::sregex_iterator(); |
| |
| assert(it->position(0) == 0); |
| assert(it->length(0) == 1); |
| |
| ++it; |
| assert(it->position(0) == 5); |
| assert(it->length(0) == 1); |
| |
| ++it; |
| assert(it == end); |
| } |
| |
| // This regex_iterator uses regex_search(_BidirectionalIterator __first, ...) |
| { |
| std::string s("aaaa a"); |
| std::list<char> l(s.begin(), s.end()); |
| std::regex re("\\ba"); |
| std::regex_iterator<std::list<char>::iterator> it(l.begin(), l.end(), re); |
| std::regex_iterator<std::list<char>::iterator> end = std::regex_iterator<std::list<char>::iterator>(); |
| |
| assert(it->position(0) == 0); |
| assert(it->length(0) == 1); |
| |
| ++it; |
| assert(it->position(0) == 5); |
| assert(it->length(0) == 1); |
| |
| ++it; |
| assert(it == end); |
| } |
| } |