sources/cxx-stl/llvm-libc++/test/std/localization/locale.categories/category.collate/locale.collate/locale.collate.members/transform.pass.cpp

//===----------------------------------------------------------------------===//
//
//                     The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//

// <locale>

// template <class charT> class collate;

// string_type transform(const charT* low, const charT* high) const;

#include <locale>
#include <string>
#include <cassert>

int main()
{
    std::locale l = std::locale::classic();
    {
        std::string x("1234");
        const std::collate<char>& f = std::use_facet<std::collate<char> >(l);
        assert(f.transform(x.data(), x.data() + x.size()) == x);
    }
    {
        std::wstring x(L"1234");
        const std::collate<wchar_t>& f = std::use_facet<std::collate<wchar_t> >(l);
        assert(f.transform(x.data(), x.data() + x.size()) == x);
    }
}