libcxx/test/std/input.output/iostreams.base/ios/basic.ios.members/narrow.pass.cpp

   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 }