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_type widen(char c) const;
14
15 #include <ios>
16 #include <cassert>
17
18 #include "test_macros.h"
19
main(int,char **)20 int main(int, char**)
21 {
22 const std::ios ios(0);
23 assert(ios.widen('c') == 'c');
24
25 return 0;
26 }
27