ff5d863fc2
2003-02-12 Paolo Carlini <pcarlini@unitus.it> PR libstdc++/9563 * include/bits/ostream.tcc (sentry::sentry): Check the state of the stream after the preparation. * testsuite/27_io/ostream_sentry.cc (test02): Add. From-SVN: r62779
86 lines
2.1 KiB
C++
86 lines
2.1 KiB
C++
// 2003-02-06 Paolo Carlini <pcarlini@unitus.it>
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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, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
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// USA.
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// As a special exception, you may use this file as part of a free software
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// library without restriction. Specifically, if other files instantiate
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// templates or use macros or inline functions from this file, or you compile
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// this file and link it with other files to produce an executable, this
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// file does not by itself cause the resulting executable to be covered by
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// the GNU General Public License. This exception does not however
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// invalidate any other reasons why the executable file might be covered by
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// the GNU General Public License.
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// 27.6.2.3 class basic_ostream::sentry
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#include <ostream>
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#include <sstream>
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#include <testsuite_hooks.h>
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// libstdc++/9562
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void
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test01()
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{
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bool test = true;
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std::stringbuf strbuf01;
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std::ostream strm1(&strbuf01);
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const std::ostream::sentry sentry1(strm1);
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VERIFY( bool(sentry1) == true );
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}
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// libstdc++/9563
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struct buf: std::streambuf
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{
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std::ios *io_;
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buf (std::ios *io): io_ (io) { }
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virtual int sync ()
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{
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io_->setstate (std::ios::failbit);
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return 0;
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}
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};
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void
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test02()
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{
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bool test = true;
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buf b(0);
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std::ostream strm(&b);
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buf tb(&strm);
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std::ostream tied(&tb);
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strm.tie(&tied);
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std::ostream::sentry s(strm);
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VERIFY( !s );
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}
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int main()
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{
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test01();
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test02();
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return 0;
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}
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