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 ctype<char>;
13 
14 // const char* narrow(const char* low, const char*, char dfault, char* to) const;
15 
16 #include <locale>
17 #include <string>
18 #include <vector>
19 #include <cassert>
20 
21 int main()
22 {
23     std::locale l = std::locale::classic();
24     {
25         typedef std::ctype<char> F;
26         const F& f = std::use_facet<F>(l);
27         std::string in(" A\x07.a1");
28         std::vector<char> v(in.size());
29 
30         assert(f.narrow(&in[0], in.data() + in.size(), '*', v.data()) == in.data() + in.size());
31         assert(v[0] == ' ');
32         assert(v[1] == 'A');
33         assert(v[2] == '\x07');
34         assert(v[3] == '.');
35         assert(v[4] == 'a');
36         assert(v[5] == '1');
37     }
38 }
39