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 main(int,char **)25int 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 } 31