| // -*- C++ -*- |
| //===----------------------------------------------------------------------===// |
| // |
| // 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. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| // REQUIRES: c++experimental |
| // UNSUPPORTED: c++98, c++03 |
| |
| // <experimental/regex> |
| |
| // namespace std { namespace experimental { namespace pmr { |
| // |
| // template <class BidirectionalIterator> |
| // using match_results = |
| // std::match_results<BidirectionalIterator, |
| // polymorphic_allocator<sub_match<BidirectionalIterator>>>; |
| // |
| // typedef match_results<const char*> cmatch; |
| // typedef match_results<const wchar_t*> wcmatch; |
| // typedef match_results<string::const_iterator> smatch; |
| // typedef match_results<wstring::const_iterator> wsmatch; |
| // |
| // }}} // namespace std::experimental::pmr |
| |
| #include <experimental/regex> |
| #include <type_traits> |
| #include <cassert> |
| |
| namespace pmr = std::experimental::pmr; |
| |
| template <class Iter, class PmrTypedef> |
| void test_match_result_typedef() { |
| using StdMR = std::match_results<Iter, pmr::polymorphic_allocator<std::sub_match<Iter>>>; |
| using PmrMR = pmr::match_results<Iter>; |
| static_assert(std::is_same<StdMR, PmrMR>::value, ""); |
| static_assert(std::is_same<PmrMR, PmrTypedef>::value, ""); |
| } |
| |
| int main() |
| { |
| { |
| test_match_result_typedef<const char*, pmr::cmatch>(); |
| test_match_result_typedef<const wchar_t*, pmr::wcmatch>(); |
| test_match_result_typedef<pmr::string::const_iterator, pmr::smatch>(); |
| test_match_result_typedef<pmr::wstring::const_iterator, pmr::wsmatch>(); |
| } |
| { |
| // Check that std::match_results has been included and is complete. |
| pmr::smatch s; |
| assert(s.get_allocator().resource() == pmr::get_default_resource()); |
| } |
| } |