| // { dg-options "-std=gnu++17" } |
| |
| // Copyright (C) 2013-2021 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/>. |
| |
| // inserters |
| |
| // NB: This file is predicated on sstreams, istreams, and ostreams |
| // working, not to mention other major details like char_traits, and |
| // all of the string_view class. |
| |
| #include <string_view> |
| #include <sstream> |
| #include <iomanip> |
| #include <testsuite_hooks.h> |
| |
| void |
| test09() |
| { |
| std::wstring_view foo{L"peace\0\0\0& love"}; |
| |
| std::wostringstream oss1; |
| oss1 << foo; |
| VERIFY( oss1.str() == foo ); |
| |
| std::wostringstream oss2; |
| oss2.width(20); |
| oss2 << foo; |
| VERIFY( oss2.str() != foo ); |
| VERIFY( oss2.str().size() == 20 ); |
| } |
| |
| int |
| main() |
| { |
| test09(); |
| |
| return 0; |
| } |