44 lines
1.3 KiB
C++
44 lines
1.3 KiB
C++
// Derived from libstdc++/12048 by LJR <ljrittle@acm.org> with
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// reminder from Petur Runolfsson <peturr02@ru.is>.
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// Copyright (C) 2003 Free Software Foundation, Inc.
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//
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// This file is part of the GNU ISO C++ Library. This library is free
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// software; you can redistribute it and/or modify it under the
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// terms of the GNU General Public License as published by the
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// Free Software Foundation; either version 2, or (at your option)
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// any later version.
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License along
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// with this library; see the file COPYING. If not, write to the Free
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// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
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// USA.
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#include <iostream>
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#include <cwchar>
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#include <testsuite_hooks.h>
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void
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test01()
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{
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std::freopen("cin_unget-1.txt", "r", stdin);
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wchar_t buf[2];
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VERIFY( std::wcin.rdbuf()->sgetn(buf, 2) == 2 );
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std::wint_t c1 = std::wcin.rdbuf()->sungetc();
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std::wint_t c2 = std::wcin.rdbuf()->sbumpc();
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VERIFY( c1 == std::char_traits<wchar_t>::to_int_type(buf[1]) );
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VERIFY( c2 == c1 );
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}
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int main(void)
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{
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test01();
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return 0;
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}
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