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112 lines
2.8 KiB
C++
112 lines
2.8 KiB
C++
// 1999-10-11 bkoz
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// Copyright (C) 1999-2015 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 3, 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 COPYING3. If not see
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// <http://www.gnu.org/licenses/>.
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// 27.5.2 template class basic_streambuf
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#include <streambuf>
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#include <cwchar>
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#include <testsuite_hooks.h>
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class testbuf : public std::wstreambuf
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{
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public:
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// Typedefs:
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typedef std::wstreambuf::traits_type traits_type;
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typedef std::wstreambuf::char_type char_type;
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testbuf(): std::wstreambuf()
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{ }
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bool
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check_pointers()
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{
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bool test __attribute__((unused)) = true;
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VERIFY( !this->eback() );
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VERIFY( !this->gptr() );
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VERIFY( !this->egptr() );
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VERIFY( !this->pbase() );
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VERIFY( !this->pptr() );
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VERIFY( !this->epptr() );
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return test;
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}
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int_type
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pub_uflow()
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{ return (this->uflow()); }
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int_type
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pub_overflow(int_type __c = traits_type::eof())
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{ return (this->overflow(__c)); }
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int_type
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pub_pbackfail(int_type __c)
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{ return (this->pbackfail(__c)); }
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void
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pub_setg(wchar_t* beg, wchar_t* cur, wchar_t* end)
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{ this->setg(beg, cur, end); }
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void
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pub_setp(wchar_t* beg, wchar_t* end)
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{ this->setp(beg, end); }
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protected:
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int_type
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underflow()
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{
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int_type __retval = traits_type::eof();
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if (this->gptr() < this->egptr())
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__retval = traits_type::not_eof(0);
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return __retval;
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}
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};
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void test01()
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{
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typedef testbuf::traits_type traits_type;
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typedef testbuf::int_type int_type;
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bool test __attribute__((unused)) = true;
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wchar_t lit01[52];
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std::wcscpy(lit01, L"chicago underground trio/possible cube on delmark");
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testbuf buf01;
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// 27.5.2.3.1 get area
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// 27.5.2.2.3 get area
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// 27.5.2.4.3 get area
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int i01 = 3;
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buf01.pub_setg(lit01, lit01, (lit01 + i01));
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VERIFY( i01 == buf01.in_avail() );
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VERIFY( buf01.pub_uflow() == traits_type::to_int_type(lit01[0]) );
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VERIFY( buf01.sgetc() == traits_type::to_int_type(lit01[1]) );
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VERIFY( buf01.pub_uflow() == traits_type::to_int_type(lit01[1]) );
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VERIFY( buf01.sgetc() == traits_type::to_int_type(lit01[2]) );
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VERIFY( buf01.pub_uflow() == traits_type::to_int_type(lit01[2]) );
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VERIFY( buf01.sgetc() == traits_type::eof() );
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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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