1.cc: Split and fix for missing seeks between gets and puts into...

2003-06-13  Paolo Carlini  <pcarlini@unitus.it>

	* testsuite/27_io/basic_filebuf/seekoff/char/1.cc: Split and
	fix for missing seeks between gets and puts into...
	* testsuite/27_io/basic_filebuf/seekoff/char/3-io.cc: New.
	* testsuite/27_io/basic_filebuf/seekoff/char/4-io.cc: New.
	* testsuite/27_io/basic_filebuf/seekpos/char/1.cc: Same, into...
	* testsuite/27_io/basic_filebuf/seekpos/char/3-io.cc: New.
	* testsuite/27_io/basic_filebuf/seekpos/char/4-io.cc: New.
	* testsuite/27_io/basic_filebuf/sputbackc/char/1-io.cc: Fix
	for missing seeks between gets and puts.
	* testsuite/27_io/basic_filebuf/sputbackc/char/2-io.cc: Ditto.
	* testsuite/data/seekoff-1.tst: New.
	* testsuite/data/seekoff-2.tst: New.
	* testsuite/data/seekpos-1.tst: New.
	* testsuite/data/seekpos-2.tst: New.

From-SVN: r67913
This commit is contained in:
Paolo Carlini 2003-06-13 23:06:37 +02:00 committed by Paolo Carlini
parent ca566e4c07
commit ed24293523
13 changed files with 480 additions and 269 deletions

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@ -1,3 +1,20 @@
2003-06-13 Paolo Carlini <pcarlini@unitus.it>
* testsuite/27_io/basic_filebuf/seekoff/char/1.cc: Split and
fix for missing seeks between gets and puts into...
* testsuite/27_io/basic_filebuf/seekoff/char/3-io.cc: New.
* testsuite/27_io/basic_filebuf/seekoff/char/4-io.cc: New.
* testsuite/27_io/basic_filebuf/seekpos/char/1.cc: Same, into...
* testsuite/27_io/basic_filebuf/seekpos/char/3-io.cc: New.
* testsuite/27_io/basic_filebuf/seekpos/char/4-io.cc: New.
* testsuite/27_io/basic_filebuf/sputbackc/char/1-io.cc: Fix
for missing seeks between gets and puts.
* testsuite/27_io/basic_filebuf/sputbackc/char/2-io.cc: Ditto.
* testsuite/data/seekoff-1.tst: New.
* testsuite/data/seekoff-2.tst: New.
* testsuite/data/seekpos-1.tst: New.
* testsuite/data/seekpos-2.tst: New.
2003-06-13 Nathan C. Myers <ncm-nospam@cantrip.org>
Avoid multi-processor bus contention on increment/decrement-and-

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// 2001-05-21 Benjamin Kosnik <bkoz@redhat.com>
// Copyright (C) 2001, 2002, 2003 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library. This library is free
// software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 2, or (at your option)
// any later version.
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License along
// with this library; see the file COPYING. If not, write to the Free
// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
// USA.
// 27.8.1.4 Overridden virtual functions
#include <fstream>
#include <testsuite_hooks.h>
// @require@ %-*.tst %-*.txt
// @diff@ %-*.tst %*.txt
// NB: This test assumes that _M_buf_size == 40, and not the usual
// buffer_size length of BUFSIZ (8192), so that overflow/underflow can be
// simulated a bit more readily.
// NRB (Nota Really Bene): setting it to 40 breaks the test, as intended.
const int buffer_size = 8192;
//const int buffer_size = 40;
const char name_01[] = "filebuf_virtuals-1.txt"; // empty file, need to create
class derived_filebuf: public std::filebuf
{
public:
void
set_size(int_type __size) { _M_buf_size = __size; }
};
derived_filebuf fb_03; // in | out
// Initialize filebufs to be the same size regardless of platform.
void test03()
{
fb_03.set_size(buffer_size);
}
// Test overloaded virtual functions.
void test05()
{
using namespace std;
typedef filebuf::int_type int_type;
typedef filebuf::traits_type traits_type;
typedef filebuf::pos_type pos_type;
typedef filebuf::off_type off_type;
typedef size_t size_type;
bool test = true;
filebuf f_tmp;
streamsize strmsz_1, strmsz_2;
streamoff strmof_1, strmof_2;
int i = 0, j = 0, k = 0;
fb_03.open(name_01, ios_base::out | ios_base::in);
int_type c1;
int_type c2;
int_type c3;
// seekoff
// pubseekoff(off_type off, ios_base::seekdir way, ios_base::openmode which)
// alters the stream position to off
pos_type pt_1(off_type(-1));
pos_type pt_2(off_type(0));
off_type off_1 = 0;
off_type off_2 = 0;
//IN|OUT
// 27filebuf-3.txt = bd23456789:;<=>?...
//beg
strmsz_1 = fb_03.in_avail();
pt_1 = fb_03.pubseekoff(2, ios_base::beg);
strmsz_2 = fb_03.in_avail();
off_1 = pt_1;
VERIFY( off_1 > 0 );
c1 = fb_03.snextc(); //current in pointer +1
VERIFY( c1 == '9' );
c2 = fb_03.sputc('\n'); //current in pointer +1
c3 = fb_03.sgetc();
VERIFY( c2 != c3 );
VERIFY( c3 == '9' );
fb_03.pubsync();
c1 = fb_03.sgetc();
VERIFY( c1 == c3 );
//cur
// 27filebuf-3.txt = bd2\n456789:;<=>?...
pt_2 = fb_03.pubseekoff(2, ios_base::cur);
off_2 = pt_2;
VERIFY( (off_2 == (off_1 + 2 + 1 + 1)) );
c1 = fb_03.snextc(); //current in pointer +1
VERIFY( c1 == '1' );
c2 = fb_03.sputc('x'); //test current out pointer
c3 = fb_03.sputc('\n');
c1 = fb_03.sgetc();
fb_03.pubsync();
c3 = fb_03.sgetc();
VERIFY( c1 == c3 );
//end
// 27filebuf-3.txt = "bd2\n456x\n9"
pt_2 = fb_03.pubseekoff(0, ios_base::end, ios_base::in|ios_base::out);
off_1 = pt_2;
VERIFY( off_1 > off_2 ); //weak, but don't know exactly where it ends
c3 = fb_03.sputc('\n');
strmsz_1 = fb_03.sputn("because because because. . .", 28);
VERIFY( strmsz_1 == 28 );
c1 = fb_03.sungetc();
// Defect? retval of sungetc is not necessarily the character ungotten.
// So re-get it.
c1 = fb_03.sgetc();
fb_03.pubsync();
c3 = fb_03.sgetc();
VERIFY( c1 == c3 );
// IN
// OUT
}
main()
{
test03();
test05();
return 0;
}

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// 2001-05-21 Benjamin Kosnik <bkoz@redhat.com>
// Copyright (C) 2001, 2002, 2003 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library. This library is free
// software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 2, or (at your option)
// any later version.
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License along
// with this library; see the file COPYING. If not, write to the Free
// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
// USA.
// 27.8.1.4 Overridden virtual functions
#include <fstream>
#include <testsuite_hooks.h>
#include <testsuite_io.h>
// @require@ %-*.tst %-*.txt
// @diff@ %-*.tst %*.txt
const char name_01[] = "seekoff-1.tst";
void test05()
{
using namespace std;
using namespace __gnu_cxx_test;
typedef filebuf::int_type int_type;
typedef filebuf::pos_type pos_type;
typedef filebuf::off_type off_type;
bool test = true;
streamsize strmsz_1, strmsz_2;
streamoff strmof_1, strmof_2;
int_type c1;
int_type c2;
int_type c3;
pos_type pt_1(off_type(-1));
pos_type pt_2(off_type(0));
off_type off_1 = 0;
off_type off_2 = 0;
// seekoff
// pubseekoff(off_type off, ios_base::seekdir way, ios_base::openmode which)
// alters the stream position to off
// in | out
{
constraint_filebuf fb_03;
fb_03.open(name_01, ios_base::out | ios_base::in);
VERIFY( fb_03.write_position() );
VERIFY( !fb_03.read_position() );
// 27filebuf-3.txt = bd23456789:;<=>?...
//beg
strmsz_1 = fb_03.in_avail();
pt_1 = fb_03.pubseekoff(2, ios_base::beg);
strmsz_2 = fb_03.in_avail();
off_1 = pt_1;
VERIFY( off_1 > 0 );
c1 = fb_03.snextc(); //current in pointer +1
VERIFY( c1 == '9' );
fb_03.pubseekoff(3, ios_base::beg);
c2 = fb_03.sputc('\n'); //current in pointer +1
fb_03.pubseekoff(4, ios_base::beg);
c3 = fb_03.sgetc();
VERIFY( c2 != c3 );
VERIFY( c3 == '9' );
fb_03.pubsync();
c1 = fb_03.sgetc();
VERIFY( c1 == c3 );
//cur
// 27filebuf-3.txt = bd2\n456789:;<=>?...
pt_2 = fb_03.pubseekoff(2, ios_base::cur);
off_2 = pt_2;
VERIFY( (off_2 == (off_1 + 2 + 1 + 1)) );
c1 = fb_03.snextc(); //current in pointer +1
VERIFY( c1 == '1' );
fb_03.pubseekoff(0, ios_base::cur);
c2 = fb_03.sputc('x'); //test current out pointer
c3 = fb_03.sputc('\n');
fb_03.pubseekoff(0, ios_base::cur);
c1 = fb_03.sgetc();
fb_03.pubsync();
c3 = fb_03.sgetc();
VERIFY( c1 == c3 );
//end
// 27filebuf-3.txt = "bd2\n456x\n9"
pt_2 = fb_03.pubseekoff(0, ios_base::end);
off_1 = pt_2;
VERIFY( off_1 > off_2 ); //weak, but don't know exactly where it ends
c3 = fb_03.sputc('\n');
strmsz_1 = fb_03.sputn("because because because. . .", 28);
VERIFY( strmsz_1 == 28 );
fb_03.pubseekoff(-1, ios_base::end);
fb_03.sgetc();
c1 = fb_03.sungetc();
// Defect? retval of sungetc is not necessarily the character ungotten.
// So re-get it.
c1 = fb_03.sgetc();
fb_03.pubsync();
c3 = fb_03.sgetc();
VERIFY( c1 == c3 );
VERIFY( fb_03.write_position() );
VERIFY( fb_03.read_position() );
}
}
main()
{
test05();
return 0;
}

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// 2001-05-21 Benjamin Kosnik <bkoz@redhat.com>
// Copyright (C) 2001, 2002, 2003 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library. This library is free
// software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 2, or (at your option)
// any later version.
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License along
// with this library; see the file COPYING. If not, write to the Free
// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
// USA.
// 27.8.1.4 Overridden virtual functions
#include <fstream>
#include <testsuite_hooks.h>
#include <testsuite_io.h>
// @require@ %-*.tst %-*.txt
// @diff@ %-*.tst %*.txt
const char name_01[] = "seekoff-2.tst";
void test05()
{
using namespace std;
using namespace __gnu_cxx_test;
typedef filebuf::int_type int_type;
typedef filebuf::pos_type pos_type;
typedef filebuf::off_type off_type;
bool test = true;
streamsize strmsz_1, strmsz_2;
streamoff strmof_1, strmof_2;
int_type c1;
int_type c2;
int_type c3;
pos_type pt_1(off_type(-1));
pos_type pt_2(off_type(0));
off_type off_1 = 0;
off_type off_2 = 0;
// seekoff
// pubseekoff(off_type off, ios_base::seekdir way, ios_base::openmode which)
// alters the stream position to off
// in | out
{
constraint_filebuf fb_03;
fb_03.pubsetbuf(0, 0);
fb_03.open(name_01, ios_base::out | ios_base::in);
VERIFY( fb_03.unbuffered() );
// 27filebuf-3.txt = bd23456789:;<=>?...
//beg
strmsz_1 = fb_03.in_avail();
pt_1 = fb_03.pubseekoff(2, ios_base::beg);
strmsz_2 = fb_03.in_avail();
off_1 = pt_1;
VERIFY( off_1 > 0 );
c1 = fb_03.snextc(); //current in pointer +1
VERIFY( c1 == '9' );
fb_03.pubseekoff(3, ios_base::beg);
c2 = fb_03.sputc('\n'); //current in pointer +1
fb_03.pubseekoff(4, ios_base::beg);
c3 = fb_03.sgetc();
VERIFY( c2 != c3 );
VERIFY( c3 == '9' );
fb_03.pubsync();
c1 = fb_03.sgetc();
VERIFY( c1 == c3 );
//cur
// 27filebuf-3.txt = bd2\n456789:;<=>?...
pt_2 = fb_03.pubseekoff(2, ios_base::cur);
off_2 = pt_2;
VERIFY( (off_2 == (off_1 + 2 + 1 + 1)) );
c1 = fb_03.snextc(); //current in pointer +1
VERIFY( c1 == '1' );
fb_03.pubseekoff(0, ios_base::cur);
c2 = fb_03.sputc('x'); //test current out pointer
c3 = fb_03.sputc('\n');
fb_03.pubseekoff(0, ios_base::cur);
c1 = fb_03.sgetc();
fb_03.pubsync();
c3 = fb_03.sgetc();
VERIFY( c1 == c3 );
//end
// 27filebuf-3.txt = "bd2\n456x\n9"
pt_2 = fb_03.pubseekoff(0, ios_base::end);
off_1 = pt_2;
VERIFY( off_1 > off_2 ); //weak, but don't know exactly where it ends
c3 = fb_03.sputc('\n');
strmsz_1 = fb_03.sputn("because because because. . .", 28);
VERIFY( strmsz_1 == 28 );
fb_03.pubseekoff(-1, ios_base::end);
fb_03.sgetc();
c1 = fb_03.sungetc();
// Defect? retval of sungetc is not necessarily the character ungotten.
// So re-get it.
c1 = fb_03.sgetc();
fb_03.pubsync();
c3 = fb_03.sgetc();
VERIFY( c1 == c3 );
VERIFY( fb_03.unbuffered() );
}
}
main()
{
test05();
return 0;
}

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// 2001-05-21 Benjamin Kosnik <bkoz@redhat.com>
// Copyright (C) 2001, 2002, 2003 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library. This library is free
// software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 2, or (at your option)
// any later version.
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License along
// with this library; see the file COPYING. If not, write to the Free
// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
// USA.
// 27.8.1.4 Overridden virtual functions
#include <fstream>
#include <testsuite_hooks.h>
// @require@ %-*.tst %-*.txt
// @diff@ %-*.tst %*.txt
// NB: This test assumes that _M_buf_size == 40, and not the usual
// buffer_size length of BUFSIZ (8192), so that overflow/underflow can be
// simulated a bit more readily.
// NRB (Nota Really Bene): setting it to 40 breaks the test, as intended.
const int buffer_size = 8192;
//const int buffer_size = 40;
const char name_01[] = "filebuf_virtuals-1.txt"; // file with data in it
class derived_filebuf: public std::filebuf
{
public:
void
set_size(int_type __size) { _M_buf_size = __size; }
};
derived_filebuf fb_03; // in | out
// Initialize filebufs to be the same size regardless of platform.
void test03()
{
fb_03.set_size(buffer_size);
}
// Test overloaded virtual functions.
void test05()
{
using namespace std;
typedef filebuf::int_type int_type;
typedef filebuf::traits_type traits_type;
typedef filebuf::pos_type pos_type;
typedef filebuf::off_type off_type;
typedef size_t size_type;
bool test = true;
filebuf f_tmp;
streamsize strmsz_1, strmsz_2;
streamoff strmof_1, strmof_2;
int i = 0, j = 0, k = 0;
fb_03.open(name_01, ios_base::out | ios_base::in);
int_type c1;
int_type c2;
int_type c3;
// seekpos
// pubseekpos(pos_type sp, ios_base::openmode)
// alters the stream position to sp
pos_type pt_1(off_type(-1));
pos_type pt_2(off_type(0));
off_type off_1 = 0;
off_type off_2 = 0;
//IN|OUT
//beg
pt_1 = fb_03.pubseekoff(78, ios_base::beg);
off_1 = pt_1;
VERIFY( off_1 > 0 );
c1 = fb_03.snextc(); //current in pointer +1
VERIFY( c1 == 't' );
c2 = fb_03.sputc('\n'); //test current out pointer
c3 = fb_03.sgetc();
fb_03.pubsync(); //resets pointers
pt_2 = fb_03.pubseekpos(pt_1);
off_2 = pt_2;
VERIFY( off_1 == off_2 );
c3 = fb_03.snextc(); //current in pointer +1
VERIFY( c2 == c3 );
pt_1 = fb_03.pubseekoff(0, ios_base::end);
off_1 = pt_1;
VERIFY( off_1 > off_2 );
fb_03.sputn("\nof the wonderful things he does!!\nok", 37);
fb_03.pubsync();
// IN
// OUT
// VIRTUALS (indirectly tested)
// underflow
// if read position avail, returns *gptr()
// pbackfail(int_type c)
// put c back into input sequence
// overflow
// appends c to output seq
// NB Have to close these suckers. . .
// filebuf_type* close()
fb_03.close();
VERIFY( !fb_03.is_open() );
}
main()
{
test03();
test05();
return 0;
}

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// 2001-05-21 Benjamin Kosnik <bkoz@redhat.com>
// Copyright (C) 2001, 2002, 2003 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library. This library is free
// software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 2, or (at your option)
// any later version.
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License along
// with this library; see the file COPYING. If not, write to the Free
// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
// USA.
// 27.8.1.4 Overridden virtual functions
#include <fstream>
#include <testsuite_hooks.h>
#include <testsuite_io.h>
// @require@ %-*.tst %-*.txt
// @diff@ %-*.tst %*.txt
const char name_01[] = "seekpos-1.tst"; // file with data in it
void test05()
{
using namespace std;
using namespace __gnu_cxx_test;
typedef filebuf::int_type int_type;
typedef filebuf::pos_type pos_type;
typedef filebuf::off_type off_type;
bool test = true;
streamsize strmsz_1, strmsz_2;
streamoff strmof_1, strmof_2;
int_type c1;
int_type c2;
int_type c3;
pos_type pt_1(off_type(-1));
pos_type pt_2(off_type(0));
pos_type pt_3;
off_type off_1 = 0;
off_type off_2 = 0;
// seekpos
// pubseekpos(pos_type sp, ios_base::openmode)
// alters the stream position to sp
// in | out
{
constraint_filebuf fb_03;
fb_03.open(name_01, ios_base::out | ios_base::in);
VERIFY( fb_03.write_position() );
VERIFY( !fb_03.read_position() );
pt_1 = fb_03.pubseekoff(78, ios_base::beg);
off_1 = pt_1;
VERIFY( off_1 > 0 );
c1 = fb_03.snextc(); //current in pointer +1
VERIFY( c1 == 't' );
pt_3 = fb_03.pubseekoff(0, ios_base::cur);
fb_03.pubseekpos(pt_3);
c2 = fb_03.sputc('\n'); //test current out pointer
pt_3 = fb_03.pubseekoff(0, ios_base::cur);
fb_03.pubseekpos(pt_3);
c3 = fb_03.sgetc();
fb_03.pubsync(); //resets pointers
pt_2 = fb_03.pubseekpos(pt_1);
off_2 = pt_2;
VERIFY( off_1 == off_2 );
c3 = fb_03.snextc(); //current in pointer +1
VERIFY( c2 == c3 );
pt_1 = fb_03.pubseekoff(0, ios_base::end);
off_1 = pt_1;
VERIFY( off_1 > off_2 );
fb_03.sputn("\nof the wonderful things he does!!\nok", 37);
fb_03.pubsync();
VERIFY( fb_03.write_position() );
VERIFY( !fb_03.read_position() );
fb_03.close();
VERIFY( !fb_03.is_open() );
}
}
main()
{
test05();
return 0;
}

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// 2001-05-21 Benjamin Kosnik <bkoz@redhat.com>
// Copyright (C) 2001, 2002, 2003 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library. This library is free
// software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 2, or (at your option)
// any later version.
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License along
// with this library; see the file COPYING. If not, write to the Free
// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
// USA.
// 27.8.1.4 Overridden virtual functions
#include <fstream>
#include <testsuite_hooks.h>
#include <testsuite_io.h>
// @require@ %-*.tst %-*.txt
// @diff@ %-*.tst %*.txt
const char name_01[] = "seekpos-2.tst"; // file with data in it
void test05()
{
using namespace std;
using namespace __gnu_cxx_test;
typedef filebuf::int_type int_type;
typedef filebuf::pos_type pos_type;
typedef filebuf::off_type off_type;
bool test = true;
streamsize strmsz_1, strmsz_2;
streamoff strmof_1, strmof_2;
int_type c1;
int_type c2;
int_type c3;
pos_type pt_1(off_type(-1));
pos_type pt_2(off_type(0));
pos_type pt_3;
off_type off_1 = 0;
off_type off_2 = 0;
// seekpos
// pubseekpos(pos_type sp, ios_base::openmode)
// alters the stream position to sp
// in | out
{
constraint_filebuf fb_03;
fb_03.pubsetbuf(0, 0);
fb_03.open(name_01, ios_base::out | ios_base::in);
VERIFY( fb_03.unbuffered() );
pt_1 = fb_03.pubseekoff(78, ios_base::beg);
off_1 = pt_1;
VERIFY( off_1 > 0 );
c1 = fb_03.snextc(); //current in pointer +1
VERIFY( c1 == 't' );
pt_3 = fb_03.pubseekoff(0, ios_base::cur);
fb_03.pubseekpos(pt_3);
c2 = fb_03.sputc('\n'); //test current out pointer
pt_3 = fb_03.pubseekoff(0, ios_base::cur);
fb_03.pubseekpos(pt_3);
c3 = fb_03.sgetc();
fb_03.pubsync(); //resets pointers
pt_2 = fb_03.pubseekpos(pt_1);
off_2 = pt_2;
VERIFY( off_1 == off_2 );
c3 = fb_03.snextc(); //current in pointer +1
VERIFY( c2 == c3 );
pt_1 = fb_03.pubseekoff(0, ios_base::end);
off_1 = pt_1;
VERIFY( off_1 > off_2 );
fb_03.sputn("\nof the wonderful things he does!!\nok", 37);
fb_03.pubsync();
VERIFY( fb_03.unbuffered() );
fb_03.close();
VERIFY( !fb_03.is_open() );
}
}
main()
{
test05();
return 0;
}

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@ -54,6 +54,7 @@ void test01()
VERIFY( !fb_01.read_position() );
strmsz_1 = fb_01.sputn("racadabras", 10);//"abracadabras or what?"
strmsz_2 = fb_01.sputn(", i wanna reach out and", 10);
fb_01.pubseekoff(0, std::ios_base::cur);
c1 = fb_01.sgetc(); // -1
c2 = fb_01.sputbackc('z');
strmsz_2 = fb_01.in_avail();
@ -63,9 +64,9 @@ void test01()
VERIFY( 1 == strmsz_2 );
//test for _in_cur == _in_beg
// fb_01._M_out_beg = "bd23456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZracada" etc
fb_01.pubseekoff(10, std::ios_base::beg,
std::ios_base::in | std::ios_base::out);
fb_01.pubseekoff(10, std::ios_base::beg);
fb_01.sputc('m');
fb_01.pubseekoff(0, std::ios_base::cur);
strmsz_1 = fb_01.in_avail();
c1 = fb_01.sgetc();
fb_01.snextc();
@ -78,9 +79,11 @@ void test01()
VERIFY( c2 == 'z' );
// test for replacing char with identical one
fb_01.snextc();
fb_01.pubseekoff(0, std::ios_base::cur);
fb_01.sputc('u');
fb_01.sputc('v');
fb_01.sputc('a');
fb_01.pubseekoff(0, std::ios_base::end);
strmsz_1 = fb_01.in_avail();
c2 = fb_01.sputbackc('a');
strmsz_2 = fb_01.in_avail();

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@ -54,6 +54,7 @@ void test01()
VERIFY( fb_01.unbuffered() );
strmsz_1 = fb_01.sputn("racadabras", 10);//"abracadabras or what?"
strmsz_2 = fb_01.sputn(", i wanna reach out and", 10);
fb_01.pubseekoff(0, std::ios_base::cur);
c1 = fb_01.sgetc(); // -1
c2 = fb_01.sputbackc('z');
strmsz_2 = fb_01.in_avail();
@ -63,9 +64,9 @@ void test01()
VERIFY( 1 == strmsz_2 );
//test for _in_cur == _in_beg
// fb_01._M_out_beg = "bd23456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZracada" etc
fb_01.pubseekoff(10, std::ios_base::beg,
std::ios_base::in | std::ios_base::out);
fb_01.pubseekoff(10, std::ios_base::beg);
fb_01.sputc('m');
fb_01.pubseekoff(0, std::ios_base::cur);
strmsz_1 = fb_01.in_avail();
c1 = fb_01.sgetc();
fb_01.snextc();
@ -78,15 +79,17 @@ void test01()
VERIFY( c2 == 'z' );
// test for replacing char with identical one
fb_01.snextc();
fb_01.pubseekoff(0, std::ios_base::cur);
fb_01.sputc('u');
fb_01.sputc('v');
fb_01.sputc('a');
fb_01.pubseekoff(0, std::ios_base::end);
strmsz_1 = fb_01.in_avail();
c2 = fb_01.sputbackc('a');
strmsz_2 = fb_01.in_avail();
c3 = fb_01.sgetc();
VERIFY( c3 == c2 );
VERIFY( strmsz_1 == strmsz_2 );
VERIFY( strmsz_1 + 1 == strmsz_2 );
VERIFY( fb_01.unbuffered() );
}
}

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@ -0,0 +1,3 @@
// 990117 bkoz
// test functionality of basic_filebuf for char_type == char
// this is a data file for 27filebuf.cc

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@ -0,0 +1,3 @@
// 990117 bkoz
// test functionality of basic_filebuf for char_type == char
// this is a data file for 27filebuf.cc

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@ -0,0 +1,3 @@
// 990117 bkoz
// test functionality of basic_filebuf for char_type == char
// this is a data file for 27filebuf.cc

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@ -0,0 +1,3 @@
// 990117 bkoz
// test functionality of basic_filebuf for char_type == char
// this is a data file for 27filebuf.cc