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 // istream cerr;
12 
13 // XFAIL: LIBCXX-WINDOWS-FIXME
14 
15 // FILE_DEPENDENCIES: ../check-stderr.sh
16 // RUN: %{build}
17 // RUN: %{exec} bash check-stderr.sh "%t.exe" "1234"
18 
19 #include <iostream>
20 #include <cassert>
21 
22 #include "test_macros.h"
23 
24 int main(int, char**) {
25     std::cerr << "1234";
26     assert(std::cerr.flags() & std::ios_base::unitbuf);
27     assert(std::cerr.tie() == &std::cout);
28     return 0;
29 }
30