| //===----------------------------------------------------------------------===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #include <iostream> |
| #include <cassert> |
| |
| #include "test_macros.h" |
| |
| // Test to make sure that the streams only get initialized once |
| // Taken from https://bugs.llvm.org/show_bug.cgi?id=43300 |
| |
| int main(int, char**) |
| { |
| |
| std::cout << "Hello!"; |
| std::ios_base::fmtflags stock_flags = std::cout.flags(); |
| |
| std::cout << std::boolalpha << true; |
| std::ios_base::fmtflags ba_flags = std::cout.flags(); |
| assert(stock_flags != ba_flags); |
| |
| std::ios_base::Init init_streams; |
| std::ios_base::fmtflags after_init = std::cout.flags(); |
| assert(after_init == ba_flags); |
| |
| return 0; |
| } |