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 charT> class collate;
13 
14 // string_type transform(const charT* low, const charT* high) const;
15 
16 #include <locale>
17 #include <string>
18 #include <cassert>
19 
20 int main()
21 {
22     std::locale l = std::locale::classic();
23     {
24         std::string x("1234");
25         const std::collate<char>& f = std::use_facet<std::collate<char> >(l);
26         assert(f.transform(x.data(), x.data() + x.size()) == x);
27     }
28     {
29         std::wstring x(L"1234");
30         const std::collate<wchar_t>& f = std::use_facet<std::collate<wchar_t> >(l);
31         assert(f.transform(x.data(), x.data() + x.size()) == x);
32     }
33 }
34