58 lines
1.6 KiB
C++
58 lines
1.6 KiB
C++
// 2001-05-21 Benjamin Kosnik <bkoz@redhat.com>
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// Copyright (C) 2001, 2002, 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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// 27.8.1.4 Overridden virtual functions
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// { dg-require-fileio "" }
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#include <fstream>
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#include <testsuite_hooks.h>
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const char name_06[] = "filebuf_virtuals-6.txt"; // empty file, need to create
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// libstdc++/9825
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// filebuf::sputbackc breaks sbumpc
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void test12()
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{
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using namespace std;
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bool test __attribute__((unused)) = true;
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filebuf fbuf;
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fbuf.open(name_06, ios_base::in|ios_base::out|ios_base::trunc);
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fbuf.sputn("crazy bees!", 11);
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fbuf.pubseekoff(0, ios_base::beg);
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fbuf.sbumpc();
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fbuf.sputbackc('x');
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filebuf::int_type c = fbuf.sbumpc();
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VERIFY( c == 'x' );
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c = fbuf.sbumpc();
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VERIFY( c == 'r' );
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c = fbuf.sbumpc();
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VERIFY( c == 'a' );
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fbuf.close();
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}
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int main()
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{
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test12();
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return 0;
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}
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