+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-
+++ /dev/null
-// 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;
-}
--- /dev/null
+// 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;
+}
--- /dev/null
+// 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;
+}
+++ /dev/null
-// 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;
-}
--- /dev/null
+// 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;
+}
--- /dev/null
+// 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;
+}
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();
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();
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();
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();
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();
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() );
}
}
--- /dev/null
+// 990117 bkoz
+// test functionality of basic_filebuf for char_type == char
+// this is a data file for 27filebuf.cc
--- /dev/null
+// 990117 bkoz
+// test functionality of basic_filebuf for char_type == char
+// this is a data file for 27filebuf.cc
--- /dev/null
+// 990117 bkoz
+// test functionality of basic_filebuf for char_type == char
+// this is a data file for 27filebuf.cc
--- /dev/null
+// 990117 bkoz
+// test functionality of basic_filebuf for char_type == char
+// this is a data file for 27filebuf.cc
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