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author | paolo <paolo@138bc75d-0d04-0410-961f-82ee72b054a4> | 2003-06-13 21:06:37 +0000 |
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committer | paolo <paolo@138bc75d-0d04-0410-961f-82ee72b054a4> | 2003-06-13 21:06:37 +0000 |
commit | 9fe939098a2b360a22ecc8e09d5c0084618cdd78 (patch) | |
tree | d3477e56f8837250204d2d4341641cc55fa8d4be /libstdc++-v3/testsuite/27_io/basic_filebuf/seekoff/char/3-io.cc | |
parent | 992fbba9318d732a032fc41255413d6cd462274c (diff) | |
download | gcc-9fe939098a2b360a22ecc8e09d5c0084618cdd78.tar.gz |
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.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@67913 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'libstdc++-v3/testsuite/27_io/basic_filebuf/seekoff/char/3-io.cc')
-rw-r--r-- | libstdc++-v3/testsuite/27_io/basic_filebuf/seekoff/char/3-io.cc | 123 |
1 files changed, 123 insertions, 0 deletions
diff --git a/libstdc++-v3/testsuite/27_io/basic_filebuf/seekoff/char/3-io.cc b/libstdc++-v3/testsuite/27_io/basic_filebuf/seekoff/char/3-io.cc new file mode 100644 index 00000000000..7552d889eb6 --- /dev/null +++ b/libstdc++-v3/testsuite/27_io/basic_filebuf/seekoff/char/3-io.cc @@ -0,0 +1,123 @@ +// 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; +} |