Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1 | //===----------------------------------------------------------------------===// |
| 2 | // |
Howard Hinnant | f5256e1 | 2010-05-11 21:36:01 +0000 | [diff] [blame] | 3 | // The LLVM Compiler Infrastructure |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 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 | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 7 | // |
| 8 | //===----------------------------------------------------------------------===// |
| 9 | |
| 10 | // <locale> |
| 11 | |
| 12 | // template <> class codecvt<char32_t, char, mbstate_t> |
| 13 | |
| 14 | // result unshift(stateT& state, |
| 15 | // externT* to, externT* to_end, externT*& to_next) const; |
| 16 | |
| 17 | #include <locale> |
| 18 | #include <string> |
| 19 | #include <vector> |
| 20 | #include <cassert> |
| 21 | |
| 22 | typedef std::codecvt<char32_t, char, std::mbstate_t> F; |
| 23 | |
| 24 | int main() |
| 25 | { |
| 26 | std::locale l = std::locale::classic(); |
| 27 | std::vector<char> to(3); |
| 28 | const F& f = std::use_facet<F>(l); |
Dan Albert | 1d4a1ed | 2016-05-25 22:36:09 -0700 | [diff] [blame^] | 29 | std::mbstate_t mbs = {0}; |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 30 | char* to_next = 0; |
| 31 | assert(f.unshift(mbs, to.data(), to.data() + to.size(), to_next) == F::noconv); |
| 32 | assert(to_next == to.data()); |
| 33 | } |