| //===----------------------------------------------------------------------===// |
| // |
| // 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 |
| // |
| //===----------------------------------------------------------------------===// |
| |
| // UNSUPPORTED: c++03, c++11, c++14, c++17 |
| |
| // XFAIL: availability-char8_t_support-missing |
| |
| // <locale> |
| |
| // template <> class codecvt<char32_t, char8_t, mbstate_t> |
| |
| // result out(stateT& state, |
| // const internT* from, const internT* from_end, const internT*& from_next, |
| // externT* to, externT* to_end, externT*& to_next) const; |
| |
| #include <cassert> |
| #include <locale> |
| |
| int main(int, char**) { |
| using F = std::codecvt<char32_t, char8_t, std::mbstate_t>; |
| const F& f = std::use_facet<F>(std::locale::classic()); |
| F::intern_type from[9] = {u's', u'o', u'm', u'e', u' ', u't', u'e', u'x', u't'}; |
| F::extern_type to[9] = {0}; |
| std::mbstate_t mbs = {}; |
| const F::intern_type* from_next = nullptr; |
| F::extern_type* to_next = nullptr; |
| F::result r = f.out(mbs, from, from + 9, from_next, to, to + 9, to_next); |
| assert(r == F::ok); |
| assert(from_next - from == 9); |
| assert(to_next - to == 9); |
| for (unsigned i = 0; i < 9; ++i) |
| assert(to[i] == from[i]); |
| return 0; |
| } |