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2000-10-30 Benjamin Kosnik <bkoz@redhat.com> * src/complex_io.cc : Remove ancient defines. * config/os/gnu-linux/bits/os_defines.h: Add defines. * libsupc++/tinfo2.cc: Change to cstddef. * include/bits/codecvt.h: Add include of c++config.h, so that __USE_GNU gets defined. (Important for alpha.) * include/c/bits/std_cwctype.h: Same. * include/c/bits/std_ctime.h: And here. * include/c/bits/std_cstdarg.h: Same. * include/c/bits/std_csignal.h: Same. * include/c/bits/std_csetjmp.h: Same. * include/c/bits/std_clocale.h: Same. * include/c/bits/std_climits.h: Touch. * include/c/bits/std_cfloat.h: Same. * include/c/bits/std_cerrno.h: Same. * include/c/bits/std_cwchar.h: Same. * include/c/bits/std_cassert.h: Same. * include/c/bits/std_cctype.h: Same. * include/c/bits/std_cstddef.h: And here. * include/c/bits/std_cstdlib.h: And here. * include/c/bits/std_cstdio.h: Same. * include/c/bits/std_cstring.h: Add names to namespace std::. * include/bits/c++config (_GNU_SOURCE): Move linux-specific macros from here... (_ISOC99_SOURCE): And this one.... * config/os/gnu-linux/bits/os_defines.h: ...to here. * include/bits/codecvt.h (codecvt<_InternT, _ExternT, __enc_traits>::do_in): Don't cast to const, this is a bug in glibc prior to 2.2. (codecvt<_InternT, _ExternT, __enc_traits>::do_out): Same. * include/c/bits/std_cwchar.h: Add using declarations for mbstate_t. 2000-10-30 Steven King <sxking@uswest.net> * include/bits/codecvt.h: Add cast. * include/c_std/stdio.h: Re-add printf using declaration. * include/c_std/bits/std_cstdio.h: Same * testsuite/22_locale/codecvt_wchar_t_char.cc: Fixup testsuite. * testsuite/22_locale/ctor_copy_dtor.cc: Same. * testsuite/22_locale/facet.cc: Same. * testsuite/22_locale/global_templates.cc: Same. * testsuite/22_locale/operators.cc: Same. * testsuite/22_locale/static_members.cc: Same. * testsuite/26_numerics/c_math.cc: Same. * testsuite/26_numerics/complex_inserters_extractors.cc: Same. * testsuite/27_io/fpos.cc: Same. * testsuite/27_io/istream_extractor_arith.cc: Same. * testsuite/27_io/istream_unformatted.cc: Same. * testsuite/27_io/ostream_inserter_arith.cc: Same. * testsuite/27_io/streambuf.cc: Same. From-SVN: r37149
257 lines
6.4 KiB
C++
257 lines
6.4 KiB
C++
// 1999-10-11 bkoz
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// Copyright (C) 1999, 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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// 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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// 27.5.2 template class basic_streambuf
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#include <cstring> // for memset, memcmp
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#include <streambuf>
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#include <ostream>
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#include <debug_assert.h>
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class testbuf : public std::streambuf
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{
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public:
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// Typedefs:
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typedef std::streambuf::traits_type traits_type;
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typedef std::streambuf::char_type char_type;
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testbuf(): std::streambuf()
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{ _M_mode = (std::ios_base::in | std::ios_base::out); }
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bool
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check_pointers()
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{
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bool test = true;
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VERIFY( this->eback() == NULL );
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VERIFY( this->gptr() == NULL );
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VERIFY( this->egptr() == NULL );
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VERIFY( this->pbase() == NULL );
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VERIFY( this->pptr() == NULL );
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VERIFY( this->epptr() == NULL );
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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(char* beg, char* cur, char *end)
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{ this->setg(beg, cur, end); }
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void
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pub_setp(char* beg, char* 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 = true;
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char* lit01 = "chicago underground trio/possible cube on delmark";
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testbuf buf01;
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// 27.5.2.1 basic_streambuf ctors
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// default ctor initializes
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// - all pointer members to null pointers
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// - locale to current global locale
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VERIFY( buf01.check_pointers() );
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VERIFY( buf01.getloc() == std::locale() );
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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() == lit01[0] );
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VERIFY( buf01.sgetc() == traits_type::to_int_type(lit01[1]) );
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VERIFY( buf01.pub_uflow() == lit01[1] );
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VERIFY( buf01.sgetc() == traits_type::to_int_type(lit01[2]) );
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VERIFY( buf01.pub_uflow() == lit01[2] );
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VERIFY( buf01.sgetc() == traits_type::eof() );
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// pbackfail
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buf01.pub_setg(lit01, lit01, (lit01 + i01));
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VERIFY( i01 == buf01.in_avail() );
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int_type intt01 = traits_type::to_int_type('b');
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VERIFY( traits_type::eof() == buf01.pub_pbackfail(intt01) );
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// overflow
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VERIFY( traits_type::eof() == buf01.pub_overflow(intt01) );
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VERIFY( traits_type::eof() == buf01.pub_overflow() );
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VERIFY( buf01.sgetc() == traits_type::to_int_type(lit01[0]) );
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// sputn/xsputn
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char* lit02 = "isotope 217: the unstable molecule on thrill jockey";
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int i02 = std::strlen(lit02);
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char carray[i02 + 1];
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std::memset(carray, 0, i02 + 1);
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buf01.pub_setp(carray, (carray + i02));
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buf01.sputn(lit02, 0);
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VERIFY( carray[0] == 0 );
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VERIFY( lit02[0] == 'i' );
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buf01.sputn(lit02, 1);
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VERIFY( lit02[0] == carray[0] );
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VERIFY( lit02[1] == 's' );
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VERIFY( carray[1] == 0 );
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buf01.sputn(lit02 + 1, 10);
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VERIFY( std::memcmp(lit02, carray, 10) == 0 );
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buf01.sputn(lit02 + 11, 20);
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VERIFY( std::memcmp(lit02, carray, 30) == 0 );
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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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void test02()
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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 = true;
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char* lit01 = "chicago underground trio/possible cube on delmark";
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testbuf buf01;
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// 27.5.2.1 basic_streambuf ctors
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// default ctor initializes
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// - all pointer members to null pointers
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// - locale to current global locale
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VERIFY( buf01.check_pointers() );
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VERIFY( buf01.getloc() == std::locale() );
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// 27.5.2.2.5 Put area
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size_t i01 = traits_type::length(lit01);
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char carray01[i01];
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std::memset(carray01, 0, i01);
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buf01.pub_setg(lit01, lit01, lit01 + i01);
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buf01.sgetn(carray01, 0);
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VERIFY( carray01[0] == 0 );
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buf01.sgetn(carray01, 1);
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VERIFY( carray01[0] == 'c' );
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buf01.sgetn(carray01 + 1, i01 - 1);
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VERIFY( carray01[0] == 'c' );
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VERIFY( carray01[1] == 'h' );
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VERIFY( carray01[i01 - 1] == 'k' );
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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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// test03
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// http://sourceware.cygnus.com/ml/libstdc++/2000-q1/msg00151.html
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template<typename charT, typename traits = std::char_traits<charT> >
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class basic_nullbuf : public std::basic_streambuf<charT, traits>
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{
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protected:
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virtual int_type
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overflow(int_type c)
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{ return traits::not_eof(c); }
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};
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typedef basic_nullbuf<char> nullbuf;
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typedef basic_nullbuf<wchar_t> wnullbuf;
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template<typename T>
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char
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print(const T& x)
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{
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nullbuf ob;
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std::ostream out(&ob);
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out << x << std::endl;
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return (!out ? '0' : '1');
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}
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void test03()
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{
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bool test = true;
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const std::string control01("11111");
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std::string test01;
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test01 += print(true);
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test01 += print(3.14159);
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test01 += print(10);
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test01 += print('x');
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test01 += print("pipo");
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VERIFY( test01 == control01 );
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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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test02();
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test03();
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return 0;
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}
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