char_out.pass.cpp revision 22a74dcf50ff4338767607fa5a9d2916c2c85525
1//===----------------------------------------------------------------------===//
2//
3//                     The LLVM Compiler Infrastructure
4//
5// This file is distributed under the University of Illinois Open Source
6// License. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//
9
10// <locale>
11
12// template <> class codecvt<char, 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
23typedef std::codecvt<char, char, std::mbstate_t> F;
24
25int 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;
32    const char* from_next = 0;
33    char* to_next = 0;
34    assert(f.out(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