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- // Copyright (C) 2015-2022 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-do run { target c++11 } }
- // libstdc++/66441
- #include <locale>
- #include <codecvt>
- #include <testsuite_hooks.h>
- void
- test01()
- {
- // convert from UCS-4 to UTF16BE with BOM.
- using cvt = std::codecvt_utf16<char32_t, 0x10FFFF, std::generate_header>;
- std::wstring_convert<cvt, char32_t> conv;
- auto to = conv.to_bytes(U"ab\u00e7");
- VERIFY( to.length() == 8 );
- VERIFY( (unsigned char)to[0] == 0xfe );
- VERIFY( (unsigned char)to[1] == 0xff );
- VERIFY( (unsigned char)to[2] == 0x00 );
- VERIFY( (unsigned char)to[3] == 0x61 );
- VERIFY( (unsigned char)to[4] == 0x00 );
- VERIFY( (unsigned char)to[5] == 0x62 );
- VERIFY( (unsigned char)to[6] == 0x00 );
- VERIFY( (unsigned char)to[7] == 0xe7 );
- }
- int
- main()
- {
- test01();
- }
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