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 // <ios>
11 
12 // template <class charT, class traits> class basic_ios
13 
14 // char narrow(char_type c, char dfault) const;
15 
16 #include <ios>
17 #include <cassert>
18 
19 int main()
20 {
21     const std::ios ios(0);
22     assert(ios.narrow('c', '*') == 'c');
23     assert(ios.narrow('\xFE', '*') == '*');
24 }
25