1 //===----------------------------------------------------------------------===//
2 //
3 // The LLVM Compiler Infrastructure
4 //
5 // This file is dual licensed under the MIT and the University of Illinois Open
6 // Source Licenses. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9
10 // <locale>
11
12 // template <> class codecvt<char, char, mbstate_t>
13
14 // result in(stateT& state,
15 // const externT* from, const externT* from_end, const externT*& from_next,
16 // internT* to, internT* to_end, internT*& to_next) const;
17
18 #include <locale>
19 #include <string>
20 #include <vector>
21 #include <cassert>
22
23 typedef std::codecvt<char, char, std::mbstate_t> F;
24
main()25 int main()
26 {
27 std::locale l = std::locale::classic();
28 const std::basic_string<F::intern_type> from("some text");
29 std::vector<char> to(from.size());
30 const F& f = std::use_facet<F>(l);
31 std::mbstate_t mbs = {0};
32 const char* from_next = 0;
33 char* to_next = 0;
34 assert(f.in(mbs, from.data(), from.data() + from.size(), from_next,
35 to.data(), to.data() + to.size(), to_next) == F::noconv);
36 assert(from_next == from.data());
37 assert(to_next == to.data());
38 }
39