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a945c346 | 1 | // Copyright (C) 2020-2024 Free Software Foundation, Inc. |
ecba8547 JW |
2 | // |
3 | // This file is part of the GNU ISO C++ Library. This library is free | |
4 | // software; you can redistribute it and/or modify it under the | |
5 | // terms of the GNU General Public License as published by the | |
6 | // Free Software Foundation; either version 3, or (at your option) | |
7 | // any later version. | |
8 | ||
9 | // This library is distributed in the hope that it will be useful, | |
10 | // but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
12 | // GNU General Public License for more details. | |
13 | ||
14 | // You should have received a copy of the GNU General Public License along | |
15 | // with this library; see the file COPYING3. If not see | |
16 | // <http://www.gnu.org/licenses/>. | |
17 | ||
ecba8547 | 18 | // { dg-additional-options "-pthread" { target pthread } } |
f1b06f57 | 19 | // { dg-do run { target c++20 } } |
a04b73e1 | 20 | // { dg-require-effective-target cxx11_abi } |
b6b66006 | 21 | // { dg-require-effective-target rtti } |
ecba8547 JW |
22 | |
23 | #include <syncstream> | |
24 | #include <testsuite_hooks.h> | |
25 | ||
26 | void | |
27 | test01() | |
28 | { | |
29 | std::stringbuf sb; | |
30 | std::osyncstream s(&sb); | |
31 | s << "abc" << std::emit_on_flush << "def" << std::flush << "ghi" | |
32 | << std::emit_on_flush << std::noemit_on_flush << std::endl; | |
33 | VERIFY( sb.view() == "abcdef" ); | |
34 | s << "jkl" << std::flush_emit << "mno" << std::flush; | |
35 | VERIFY( sb.view() == "abcdefghi\njkl" ); | |
36 | s.emit(); | |
37 | VERIFY( sb.view() == "abcdefghi\njklmno" ); | |
38 | } | |
39 | ||
40 | int | |
41 | main() | |
42 | { | |
43 | test01(); | |
44 | } |