| //===----------------------------------------------------------------------===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| |
| // <regex> |
| |
| // class match_results<BidirectionalIterator, Allocator> |
| |
| // difference_type position(size_type sub = 0) const; |
| |
| #include <regex> |
| #include <cassert> |
| #include "test_macros.h" |
| |
| void |
| test() |
| { |
| std::match_results<const char*> m; |
| const char s[] = "abcdefghijk"; |
| assert(std::regex_search(s, m, std::regex("cd((e)fg)hi"))); |
| assert(m.position() == std::distance(s, m[0].first)); |
| assert(m.position(0) == std::distance(s, m[0].first)); |
| assert(m.position(1) == std::distance(s, m[1].first)); |
| assert(m.position(2) == std::distance(s, m[2].first)); |
| assert(m.position(3) == std::distance(s, m[3].first)); |
| assert(m.position(4) == std::distance(s, m[4].first)); |
| } |
| |
| int main(int, char**) |
| { |
| test(); |
| |
| return 0; |
| } |