libcxx/test/std/localization/locales/locale.convenience/conversions/conversions.buffer/rdbuf.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 // <locale>
  10
  11 // ADDITIONAL_COMPILE_FLAGS: -D_LIBCPP_DISABLE_DEPRECATION_WARNINGS
  12
  13 // wbuffer_convert<Codecvt, Elem, Tr>
  14
  15 // streambuf *rdbuf(streambuf *bytebuf);
  16
  17 // XFAIL: no-wide-characters
  18
  19 #include <locale>
  20 #include <codecvt>
  21 #include <sstream>
  22 #include <cassert>
  23
  24 #include "test_macros.h"
  25
  26 int main(int, char**)
  27 {
  28     typedef std::wbuffer_convert<std::codecvt_utf8<wchar_t> > B;
  29     {
  30         std::stringstream s;
  31         B b;
  32         assert(b.rdbuf() == nullptr);
  33         b.rdbuf(s.rdbuf());
  34         assert(b.rdbuf() == s.rdbuf());
  35     }
  36
  37   return 0;
  38 }