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2002-04-08 Benjamin Kosnik <bkoz@redhat.com> libstdc++/5180 * include/bits/fstream.tcc (filebuf::seekpos): Fix. * include/std/std_fstream.h: Clean. * include/bits/ostream.tcc: Remove extraneous variables. * include/bits/sstream.tcc (stringbuf::seekoff): Be strict about open modes and which modes. (stringbuf::seekpos): Same. * testsuite/27_io/stringbuf_virtuals.cc: New tests. From-SVN: r52057
88 lines
2.2 KiB
C++
88 lines
2.2 KiB
C++
// 2001-05-21 Benjamin Kosnik <bkoz@redhat.com>
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// Copyright (C) 2001, 2002 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, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
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// USA.
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// 27.7.1.3 Overridden virtual functions
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#include <sstream>
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#include <testsuite_hooks.h>
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void test01()
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{
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using namespace std;
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bool test = true;
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char buf[512];
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const char* strlit = "how to tell a story and other essays: mark twain";
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const size_t strlitsize = std::strlen(strlit);
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stringbuf sbuf(ios_base::out);
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sbuf.pubsetbuf(buf, strlitsize);
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sbuf.sputn(strlit, strlitsize);
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VERIFY( std::strncmp(strlit, buf, strlitsize) != 0 );
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}
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void test02(std::stringbuf& in, bool pass)
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{
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using namespace std;
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typedef streambuf::pos_type pos_type;
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typedef streambuf::off_type off_type;
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pos_type bad = pos_type(off_type(-1));
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pos_type p = 0;
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// seekoff
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p = in.pubseekoff(0, ios_base::beg, ios_base::in);
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if (pass)
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VERIFY( p != bad );
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p = in.pubseekoff(0, ios_base::beg, ios_base::out);
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VERIFY( p == bad );
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p = in.pubseekoff(0, ios_base::beg);
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VERIFY( p == bad );
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// seekpos
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p = in.pubseekpos(0, ios_base::in);
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if (pass)
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VERIFY( p != bad );
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p = in.pubseekpos(0, ios_base::out);
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VERIFY( p == bad );
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p = in.pubseekpos(0);
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VERIFY( p == bad );
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}
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int main()
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{
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using namespace std;
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test01();
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// movie star, submarine scientist!
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stringbuf in1("Hedy Lamarr", ios_base::in);
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stringbuf in2(ios_base::in);
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stringbuf in3("", ios_base::in);
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test02(in1, true);
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test02(in2, false);
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test02(in3, false);
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return 0;
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}
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