libcxx/test/std/input.output/iostream.format/std.manip/setfill.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 // <iomanip>
  10
  11 // template<charT> T4 setfill(charT c);
  12
  13 #include <iomanip>
  14 #include <ostream>
  15 #include <cassert>
  16
  17 #include "test_macros.h"
  18
  19 template <class CharT>
  20 struct testbuf
  21     : public std::basic_streambuf<CharT>
  22 {
  23     testbuf() {}
  24 };
  25
  26 int main(int, char**)
  27 {
  28     {
  29         testbuf<char> sb;
  30         std::ostream os(&sb);
  31         os << std::setfill('*');
  32         assert(os.fill() == '*');
  33     }
  34 #ifndef TEST_HAS_NO_WIDE_CHARACTERS
  35     {
  36         testbuf<wchar_t> sb;
  37         std::wostream os(&sb);
  38         os << std::setfill(L'*');
  39         assert(os.fill() == L'*');
  40     }
  41 #endif
  42
  43   return 0;
  44 }