1 //===----------------------------------------------------------------------===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8 
9 // <ios>
10 
11 // template <class charT, class traits> class basic_ios
12 
13 // char narrow(char_type c, char dfault) const;
14 
15 #include <ios>
16 #include <cassert>
17 
18 #include "test_macros.h"
19 
20 int main(int, char**)
21 {
22     const std::wios ios(0);
23     assert(ios.narrow(L'c', '*') == 'c');
24     assert(ios.narrow(L'\u203C', '*') == '*');
25 
26   return 0;
27 }
28