char16_t_out.pass.cpp revision 9c2ce95063997677fbf4978c99dfa98d2691139d 
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<char16_t, char, mbstate_t>
13
14// result out(stateT& state,
15//            const internT* from, const internT* from_end, const internT*& from_next,
16//            externT* to, externT* to_end, externT*& to_next) const;
17
18#include <locale>
19#include <string>
20#include <vector>
21#include <cassert>
22
23#include <stdio.h>
24
25typedef std::codecvt<char16_t, char, std::mbstate_t> F;
26
27int main()
28{
29    std::locale l = std::locale::classic();
30    const F& f = std::use_facet<F>(l);
31    {
32        F::intern_type from[9] = {'s', 'o', 'm', 'e', ' ', 't', 'e', 'x', 't'};
33        char to[9] = {0};
34        std::mbstate_t mbs = {0};
35        const F::intern_type* from_next = 0;
36        char* to_next = 0;
37        F::result r = f.out(mbs, from, from + 9, from_next,
38                                 to, to + 9, to_next);
39        assert(r == F::ok);
40        assert(from_next - from == 9);
41        assert(to_next - to == 9);
42        for (unsigned i = 0; i < 9; ++i)
43            assert(to[i] == from[i]);
44    }
45}
46