libcxx/test/std/input.output/iostream.objects/wide.stream.objects/wcerr.sh.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 // <iostream>
  10
  11 // wostream wcerr;
  12
  13 // UNSUPPORTED: no-wide-characters
  14
  15 // RUN: %{build}
  16 // RUN: %{exec} %t.exe 2> %t.actual
  17 // RUN: echo -n 1234 > %t.expected
  18 // RUN: diff %t.expected %t.actual
  19
  20 #include <iostream>
  21 #include <cassert>
  22
  23 #include "test_macros.h"
  24
  25 int main(int, char**) {
  26     std::wcerr << L"1234";
  27     assert(std::wcerr.flags() & std::ios_base::unitbuf);
  28     assert(std::wcerr.tie() == &std::wcout);
  29     return 0;
  30 }