| // Copyright (C) 2020-2021 Free Software Foundation, Inc. |
| // |
| // This file is part of the GNU ISO C++ Library. This library is free |
| // software; you can redistribute it and/or modify it under the |
| // terms of the GNU General Public License as published by the |
| // Free Software Foundation; either version 3, or (at your option) |
| // any later version. |
| |
| // This library is distributed in the hope that it will be useful, |
| // but WITHOUT ANY WARRANTY; without even the implied warranty of |
| // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| // GNU General Public License for more details. |
| |
| // You should have received a copy of the GNU General Public License along |
| // with this library; see the file COPYING3. If not see |
| // <http://www.gnu.org/licenses/>. |
| |
| // { dg-options "-std=gnu++2a" } |
| // { dg-additional-options "-pthread" { target pthread } } |
| // { dg-do run { target c++2a } } |
| // { dg-require-effective-target cxx11-abi } |
| // { dg-xfail-run-if "cannot catch forced_unwind" { *-*-* } { "-fno-rtti" } } |
| |
| #include <syncstream> |
| #include <testsuite_hooks.h> |
| |
| void |
| test01() |
| { |
| std::stringbuf sb; |
| std::osyncstream s(&sb); |
| s << "abc" << std::emit_on_flush << "def" << std::flush << "ghi" |
| << std::emit_on_flush << std::noemit_on_flush << std::endl; |
| VERIFY( sb.view() == "abcdef" ); |
| s << "jkl" << std::flush_emit << "mno" << std::flush; |
| VERIFY( sb.view() == "abcdefghi\njkl" ); |
| s.emit(); |
| VERIFY( sb.view() == "abcdefghi\njklmno" ); |
| } |
| |
| int |
| main() |
| { |
| test01(); |
| } |
