60 lines
1.5 KiB
C++
60 lines
1.5 KiB
C++
// 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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// 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 <cstdio>
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#include <cstring>
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#include <testsuite_hooks.h>
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// libstdc++/12875
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void test01()
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{
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using namespace std;
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bool test __attribute__((unused)) = true;
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const char* name = "tmp_setbuf4";
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static char buf[1024];
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FILE* out = fopen(name, "w");
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fputs("Hello, world", out);
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fclose(out);
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filebuf in;
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in.open(name, ios_base::in);
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char str[256];
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streamsize r = in.sgetn(str, 6);
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VERIFY( r == 6 );
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VERIFY( !memcmp(str, "Hello,", 6) );
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in.pubsetbuf(buf, 1024);
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r = in.sgetn(str, 6);
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VERIFY( r == 6 );
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VERIFY( !memcmp(str, " world", 6) );
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in.close();
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}
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// libstdc++/12875
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int main()
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{
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test01();
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return 0;
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}
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