gcc/libstdc++-v3/testsuite/27_io/stringbuf_virtuals.cc

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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.
// 27.7.1.3 Overridden virtual functions
#include <sstream>
acinclude.m4 (GLIBCPP_CONFIGURE_TESTSUITE): New macro, calls... 2001-08-06 Phil Edwards <pme@sources.redhat.com> * acinclude.m4 (GLIBCPP_CONFIGURE_TESTSUITE): New macro, calls... (GLIBCPP_CHECK_SETRLIMIT): ...this new macro, which also uses... (GLIBCPP_CHECK_SETRLIMIT_ancilliary): ...this new macro. * configure.in (AM_CONFIG_HEADER): Also generate testsuite_hooks.h. Call GLIBCPP_CONFIGURE_TESTSUITE. * aclocal.m4: Regenerate. * config.h.in: Regenerate. * configure: Regenerate. * testsuite/lib/libstdc++-v3-dg.exp: Download new header instead of old header. * testsuite_flags.in: Add build dir's testsuite to INCLUDES. * testsuite/debug_assert.h: Removed; contents merged into... * testsuite/testsuite_hooks.h.in: ...here. New file. * testsuite/17_intro/header_ciso646.cc: No longer include debug_assert.h, include testsuite_hooks.h instead. * testsuite/17_intro/header_fstream.cc: Likewise. * testsuite/17_intro/header_iomanip.cc: Likewise. * testsuite/17_intro/header_ios.cc: Likewise. * testsuite/17_intro/header_iosfwd.cc: Likewise. * testsuite/17_intro/header_iostream.cc: Likewise. * testsuite/17_intro/header_istream.cc: Likewise. * testsuite/17_intro/header_ostream.cc: Likewise. * testsuite/17_intro/header_sstream.cc: Likewise. * testsuite/17_intro/header_streambuf.cc: Likewise. * testsuite/18_support/numeric_limits.cc: Likewise. * testsuite/19_diagnostics/stdexceptions.cc: Likewise. * testsuite/20_util/allocator_members.cc: Likewise. * testsuite/20_util/auto_ptr.cc: Likewise. * testsuite/20_util/pairs.cc: Likewise. * testsuite/21_strings/append.cc: Likewise. * testsuite/21_strings/capacity.cc: Likewise. * testsuite/21_strings/char_traits_requirements.cc: Likewise. * testsuite/21_strings/compare.cc: Likewise. * testsuite/21_strings/ctor_copy_dtor.cc: Likewise. Also set up call to (disabled) __set_testsuite_memlimit() wrapper. * testsuite/21_strings/element_access.cc: Likewise. * testsuite/21_strings/find.cc: Likewise. * testsuite/21_strings/insert.cc: Likewise. Also set up call to (disabled) __set_testsuite_memlimit() wrapper. * testsuite/21_strings/inserters_extractors.cc: Likewise. * testsuite/21_strings/invariants.cc: Likewise. * testsuite/21_strings/nonmember.cc: Likewise. * testsuite/21_strings/operations.cc: Likewise. * testsuite/21_strings/replace.cc: Likewise. * testsuite/21_strings/rfind.cc: Likewise. * testsuite/21_strings/substr.cc: Likewise. * testsuite/22_locale/codecvt_char_char.cc: Likewise. * testsuite/22_locale/codecvt_unicode_char.cc: Likewise. * testsuite/22_locale/codecvt_unicode_wchar_t.cc: Likewise. * testsuite/22_locale/codecvt_wchar_t_char.cc: Likewise. * testsuite/22_locale/ctor_copy_dtor.cc: Likewise. * testsuite/22_locale/ctype_char_members.cc: Likewise. * testsuite/22_locale/ctype_wchar_t_members.cc: Likewise. * testsuite/22_locale/facet.cc: Likewise. * testsuite/22_locale/global_templates.cc: Likewise. * testsuite/22_locale/members.cc: Likewise. * testsuite/22_locale/numpunct_byname.cc: Likewise. * testsuite/22_locale/numpunct_char_members.cc: Likewise. * testsuite/22_locale/operators.cc: Likewise. * testsuite/22_locale/static_members.cc: Likewise. * testsuite/23_containers/bitset_ctor.cc: Likewise. * testsuite/23_containers/bitset_members.cc: Likewise. * testsuite/23_containers/bitset_shift.cc: Likewise. * testsuite/23_containers/vector_capacity.cc: Likewise. * testsuite/23_containers/vector_ctor.cc: Likewise. * testsuite/23_containers/vector_element_access.cc: Likewise. * testsuite/23_containers/vector_modifiers.cc: Likewise. * testsuite/24_iterators/istreambuf_iterator.cc: Likewise. * testsuite/24_iterators/iterator.cc: Likewise. * testsuite/24_iterators/ostreambuf_iterator.cc: Likewise. * testsuite/25_algorithms/binary_search.cc: Likewise. * testsuite/25_algorithms/copy.cc: Likewise. * testsuite/25_algorithms/heap.cc: Likewise. * testsuite/25_algorithms/lower_bound.cc: Likewise. * testsuite/25_algorithms/min_max.cc: Likewise. * testsuite/25_algorithms/partition.cc: Likewise. * testsuite/25_algorithms/rotate.cc: Likewise. * testsuite/25_algorithms/sort.cc: Likewise. * testsuite/26_numerics/c_math.cc: Likewise. * testsuite/26_numerics/complex_inserters_extractors.cc: Likewise. * testsuite/26_numerics/complex_value.cc: Likewise. * testsuite/27_io/filebuf.cc: Likewise. * testsuite/27_io/filebuf_members.cc: Likewise. * testsuite/27_io/filebuf_virtuals.cc: Likewise. * testsuite/27_io/fpos.cc: Likewise. * testsuite/27_io/fstream_members.cc: Likewise. * testsuite/27_io/ifstream_members.cc: Likewise. * testsuite/27_io/ios_base_callbacks.cc: Likewise. * testsuite/27_io/ios_base_members_static.cc: Likewise. * testsuite/27_io/ios_base_storage.cc: Likewise. * testsuite/27_io/ios_ctor.cc: Likewise. * testsuite/27_io/ios_init.cc: Likewise. * testsuite/27_io/ios_manip_basefield.cc: Likewise. * testsuite/27_io/ios_manip_fmtflags.cc: Likewise. * testsuite/27_io/ios_members.cc: Likewise. * testsuite/27_io/istream_extractor_arith.cc: Likewise. * testsuite/27_io/istream_extractor_char.cc: Likewise. * testsuite/27_io/istream_extractor_other.cc: Likewise. * testsuite/27_io/istream_manip.cc: Likewise. * testsuite/27_io/istream_seeks.cc: Likewise. * testsuite/27_io/istream_sentry.cc: Likewise. * testsuite/27_io/istream_unformatted.cc: Likewise. * testsuite/27_io/istringstream_members.cc: Likewise. * testsuite/27_io/narrow_stream_objects.cc: Likewise. * testsuite/27_io/ofstream_members.cc: Likewise. * testsuite/27_io/ostream_inserter_arith.cc: Likewise. * testsuite/27_io/ostream_inserter_char.cc: Likewise. * testsuite/27_io/ostream_inserter_other.cc: Likewise. * testsuite/27_io/ostream_manip.cc: Likewise. * testsuite/27_io/ostream_seeks.cc: Likewise. * testsuite/27_io/ostream_unformatted.cc: Likewise. * testsuite/27_io/ostringstream_members.cc: Likewise. * testsuite/27_io/streambuf.cc: Likewise. * testsuite/27_io/stringbuf.cc: Likewise. * testsuite/27_io/stringbuf_virtuals.cc: Likewise. * testsuite/27_io/stringstream.cc: Likewise. * testsuite/27_io/stringstream_members.cc: Likewise. * testsuite/27_io/wide_stream_objects.cc: Likewise. From-SVN: r44679
2001-08-07 05:38:33 +02:00
#include <testsuite_hooks.h>
void test01()
{
using namespace std;
bool test = true;
char buf[512];
const char* strlit = "how to tell a story and other essays: mark twain";
const size_t strlitsize = std::strlen(strlit);
stringbuf sbuf(ios_base::out);
sbuf.pubsetbuf(buf, strlitsize);
sbuf.sputn(strlit, strlitsize);
VERIFY( std::strncmp(strlit, buf, strlitsize) != 0 );
}
void test02(std::stringbuf& in, bool pass)
{
using namespace std;
typedef streambuf::pos_type pos_type;
typedef streambuf::off_type off_type;
pos_type bad = pos_type(off_type(-1));
pos_type p = 0;
// seekoff
p = in.pubseekoff(0, ios_base::beg, ios_base::in);
if (pass)
VERIFY( p != bad );
p = in.pubseekoff(0, ios_base::beg, ios_base::out);
VERIFY( p == bad );
p = in.pubseekoff(0, ios_base::beg);
VERIFY( p == bad );
// seekpos
p = in.pubseekpos(0, ios_base::in);
if (pass)
VERIFY( p != bad );
p = in.pubseekpos(0, ios_base::out);
VERIFY( p == bad );
p = in.pubseekpos(0);
VERIFY( p == bad );
}
// libstdc++/9322
void test08()
{
using std::locale;
bool test = true;
locale loc;
std::stringbuf ob;
VERIFY( ob.getloc() == loc );
locale::global(locale("en_US"));
VERIFY( ob.getloc() == loc );
locale loc_de ("de_DE");
locale ret = ob.pubimbue(loc_de);
VERIFY( ob.getloc() == loc_de );
VERIFY( ret == loc );
locale::global(loc);
VERIFY( ob.getloc() == loc_de );
}
PR libstdc++/9404, PR libstdc++/9701 (partial) 2003-02-24 Paolo Carlini <pcarlini@unitus.it> Nathan Myers <ncm@cantrip.org> PR libstdc++/9404, PR libstdc++/9701 (partial) (aka pptr == epptr implies overflow) * include/bits/fstream.tcc (_M_allocate_internal_buffer): Consistently, _M_out_end points to the end of the buffer just created. (overflow): Tweak to use _M_out_buf_size(). (_M_convert_to_external): The role of the old _M_out_end is now played by _M_out_lim. (_M_really_overflow): Likewise. (seekoff): Likewise. (setbuf): _M_out_end points to the end of the external buffer. * include/bits/sstream.tcc (overflow): Rewrote, taking into account the resolution of DR 169 (TC). (seekoff): Use _M_string.capacity(); ios_base::end is now _M_out_lim. (seekpos): Use _M_string.capacity(); tweak. * include/bits/streambuf.tcc (sputc, xsputn): Remove comments. * include/std/std_fstream.h (sync): The role of the old _M_out_end is now played by _M_out_lim. (_M_set_indeterminate): Use _M_set_determinate. (_M_set_determinate): _M_out_end is now _M_out_lim. (_M_is_indeterminate): Likewise. * include/std/std_sstream.h (str()): _M_out_end is now _M_out_lim. (_M_stringbuf_init): Don't set _M_buf_size, unused for sstreams, which have the information readily available as _M_string.capacity(); for ate and app modes, pass the string size to _M_really_sync. (_M_really_sync): Consistently set _M_out_end and _M_out_lim, to point to the end of the buffer (i.e., epptr) and to the string end, respectively. * include/std/std_streambuf.h: tweak comments, add _M_out_lim, which points to the right limit of the used put area. (_M_out_cur_move): The role of the old _M_out_end is now played by _M_out_lim. (_M_out_buf_size): Simplify: now (when _M_out_cur) return simply _M_out_end - _M_out_cur (i.e., pptr), _very_ close to the letter of the standard. (basic_streambuf()): Initialize _M_out_lim too. * testsuite/27_io/filebuf_virtuals.cc (test10): Trivial tweak. * testsuite/27_io/filebuf_virtuals.cc (test11): Add. * testsuite/27_io/stringbuf_virtuals.cc (test09): Add. Co-Authored-By: Nathan Myers <ncm@cantrip.org> From-SVN: r63367
2003-02-24 19:22:58 +01:00
bool over_called;
class Derived_stringbuf : public std::stringbuf
{
public:
int_type overflow(int_type c)
{
over_called = true;
return std::stringbuf::overflow(c);
}
const char_type* pub_epptr() const
{
return epptr();
}
const char_type* pub_pptr() const
{
return pptr();
}
};
// libstdc++/9404
void test09()
{
bool test = true;
bool over_expected;
// sputc
Derived_stringbuf dsbuf_01;
over_called = false;
dsbuf_01.sputc('i');
VERIFY( over_called );
over_expected = dsbuf_01.pub_epptr() == dsbuf_01.pub_pptr();
over_called = false;
dsbuf_01.sputc('v');
VERIFY( (!over_expected && !over_called)
|| (over_expected && over_called) );
dsbuf_01.sputc('i');
VERIFY( dsbuf_01.str() == "ivi" ); // Sanity check.
// sputn
Derived_stringbuf dsbuf_02;
over_called = false;
dsbuf_02.sputn("sonne's", 7);
VERIFY( over_called );
over_expected = dsbuf_02.pub_epptr() == dsbuf_02.pub_pptr();
over_called = false;
dsbuf_02.sputn(" peak", 5);
VERIFY( (!over_expected && !over_called)
|| (over_expected && over_called) );
VERIFY( dsbuf_02.str() == "sonne's peak" ); // Sanity check.
}
int main()
{
using namespace std;
test01();
// movie star, submarine scientist!
stringbuf in1("Hedy Lamarr", ios_base::in);
stringbuf in2(ios_base::in);
stringbuf in3("", ios_base::in);
test02(in1, true);
test02(in2, false);
test02(in3, false);
test08();
PR libstdc++/9404, PR libstdc++/9701 (partial) 2003-02-24 Paolo Carlini <pcarlini@unitus.it> Nathan Myers <ncm@cantrip.org> PR libstdc++/9404, PR libstdc++/9701 (partial) (aka pptr == epptr implies overflow) * include/bits/fstream.tcc (_M_allocate_internal_buffer): Consistently, _M_out_end points to the end of the buffer just created. (overflow): Tweak to use _M_out_buf_size(). (_M_convert_to_external): The role of the old _M_out_end is now played by _M_out_lim. (_M_really_overflow): Likewise. (seekoff): Likewise. (setbuf): _M_out_end points to the end of the external buffer. * include/bits/sstream.tcc (overflow): Rewrote, taking into account the resolution of DR 169 (TC). (seekoff): Use _M_string.capacity(); ios_base::end is now _M_out_lim. (seekpos): Use _M_string.capacity(); tweak. * include/bits/streambuf.tcc (sputc, xsputn): Remove comments. * include/std/std_fstream.h (sync): The role of the old _M_out_end is now played by _M_out_lim. (_M_set_indeterminate): Use _M_set_determinate. (_M_set_determinate): _M_out_end is now _M_out_lim. (_M_is_indeterminate): Likewise. * include/std/std_sstream.h (str()): _M_out_end is now _M_out_lim. (_M_stringbuf_init): Don't set _M_buf_size, unused for sstreams, which have the information readily available as _M_string.capacity(); for ate and app modes, pass the string size to _M_really_sync. (_M_really_sync): Consistently set _M_out_end and _M_out_lim, to point to the end of the buffer (i.e., epptr) and to the string end, respectively. * include/std/std_streambuf.h: tweak comments, add _M_out_lim, which points to the right limit of the used put area. (_M_out_cur_move): The role of the old _M_out_end is now played by _M_out_lim. (_M_out_buf_size): Simplify: now (when _M_out_cur) return simply _M_out_end - _M_out_cur (i.e., pptr), _very_ close to the letter of the standard. (basic_streambuf()): Initialize _M_out_lim too. * testsuite/27_io/filebuf_virtuals.cc (test10): Trivial tweak. * testsuite/27_io/filebuf_virtuals.cc (test11): Add. * testsuite/27_io/stringbuf_virtuals.cc (test09): Add. Co-Authored-By: Nathan Myers <ncm@cantrip.org> From-SVN: r63367
2003-02-24 19:22:58 +01:00
test09();
return 0;
}