2015-08-28 15:33:40 +00:00
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// Copyright (C) 2003-2015 Free Software Foundation, Inc.
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2012-03-27 23:13:14 +00:00
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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 3, 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 COPYING3. If not see
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// <http://www.gnu.org/licenses/>.
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// { dg-require-fileio "" }
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#include <iostream>
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#include <cstdio>
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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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VERIFY( std::freopen("cin_unget-1.txt", "r", stdin) );
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char buf[2];
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VERIFY( std::cin.rdbuf()->sgetn(buf, 2) == 2 );
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int c1 = std::cin.rdbuf()->sungetc();
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int c2 = std::cin.rdbuf()->sbumpc();
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VERIFY( c1 == std::char_traits<char>::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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