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b2dad0e372
2000-04-21 Benjamin Kosnik <bkoz@redhat.com> * libstdc++-v3: New directory. From-SVN: r33317
87 lines
2.1 KiB
C++
87 lines
2.1 KiB
C++
// 2000-01-10 bkoz
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// Copyright (C) 2000 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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// 27.7.2 template class basic_istringstream
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// 27.7.2.2 member functions (istringstream_members)
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// stringbuf* rdbuf() const
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#include <sstream>
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#ifdef DEBUG_ASSERT
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#include <assert.h>
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#endif
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void test01()
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{
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bool test = true;
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std::istringstream is01;
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const std::string str01 = "123";
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std::string str02;
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const int i01 = 123;
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int a,b;
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std::ios_base::iostate state1, state2, statefail, stateeof;
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statefail = std::ios_base::failbit;
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stateeof = std::ios_base::eofbit;
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// void str(const basic_string&)
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is01.str(str01);
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state1 = is01.rdstate();
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is01 >> a;
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state2 = is01.rdstate();
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test &= a = i01;
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// 22.2.2.1.2 num_get virtual functions
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// p 13
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// in any case, if stage 2 processing was terminated by the test for
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// in == end then err != ios_base::eofbit is performed.
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test &= state1 != state2;
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test &= state2 == stateeof;
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is01.str(str01);
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is01 >> b;
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test &= b != a;
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// as is01.good() is false, istream::sentry blocks extraction.
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is01.clear();
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state1 = is01.rdstate();
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is01 >> b;
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state2 = is01.rdstate();
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test &= b == a;
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test &= state1 != state2;
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test &= state2 == stateeof;
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// string str() const
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str02 = is01.str();
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test &= str01 == str02;
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#ifdef DEBUG_ASSERT
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assert(test);
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#endif
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}
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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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