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

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// Copyright (C) 2001, 2002 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.
// 27.8.1.3 filebuf member functions
// @require@ %-*.tst %-*.txt
// @diff@ %-*.tst %-*.txt
// various tests for filebuf::open() and filebuf::close() including
// the non-portable functionality in the libstdc++-v3 IO library
#include <iostream>
#include <fstream>
#include <unistd.h>
#include <signal.h>
#include <fcntl.h>
#include <sys/types.h>
#include <sys/stat.h>
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 11:38:33 +08:00
#include <testsuite_hooks.h>
const char name_01[] = "filebuf_members-1.tst";
const char name_02[] = "filebuf_members-1.txt";
// Test member functions.
void test_01()
{
bool test = true;
const char* name_03 = "filebuf_members-3"; // empty file, need to create
std::filebuf fb_01; // in
std::filebuf fb_02; // out
std::filebuf fb_03; // in | out
// bool is_open()
VERIFY( !fb_01.is_open() );
VERIFY( !fb_02.is_open() );
VERIFY( !fb_03.is_open() );
// filebuf_type* open(const char* __s, ios_base::openmode __mode)
fb_01.open(name_01, std::ios_base::in | std::ios_base::ate);
fb_02.open(name_02, std::ios_base::in | std::ios_base::out
| std::ios_base::trunc);
// Try to open two different files without closing the first:
// Should keep the old file attached, and disregard attempt to overthrow.
fb_02.open(name_03, std::ios_base::in | std::ios_base::out);
fb_03.open(name_03, std::ios_base::out | std::ios_base::trunc);
VERIFY( fb_01.is_open() );
VERIFY( fb_02.is_open() );
VERIFY( fb_03.is_open() );
// filebuf_type* close()
fb_01.close();
fb_02.close();
fb_03.close();
VERIFY( !fb_01.is_open() );
VERIFY( !fb_02.is_open() );
VERIFY( !fb_03.is_open() );
}
// Verify that std::filebuf doesn't close files that it didn't open
// when using the following std::filebuf ctor:
//
// std::filebuf(__c_file_type* __f,
// ios_base::openmode __mode,
// int_type __s);
//
// Thanks to "George T. Talbot" <george@moberg.com> for uncovering
// this bug/situation.
void test_02()
{
bool test = true;
int close_num;
// read (ext)
FILE* f2 = fopen(name_01, "r");
VERIFY( f2 != NULL );
{
std::filebuf fb(f2, std::ios_base::in, 512);
}
close_num = fclose(f2);
VERIFY( close_num == 0 );
// read (standard)
FILE* f = fopen(name_01, "r");
VERIFY( f != NULL );
{
std::ifstream ifstream1(name_01);
VERIFY( ifstream1.is_open() );
std::ios_base::iostate st01 = ifstream1.rdstate();
VERIFY( st01 == std::ios_base::goodbit );
}
close_num = fclose(f);
VERIFY( close_num == 0 );
}
void test_03()
{
bool test = true;
int first_fd = ::open(name_01, O_RDONLY);
VERIFY( first_fd != -1 );
FILE* first_file = ::fdopen(first_fd, "r");
VERIFY( first_file != NULL );
std::filebuf fb (first_file, std::ios_base::in);
int second_fd = fb.fd();
VERIFY( first_fd == second_fd );
}
// libstdc++/2913, libstdc++/4879
// John Fardo <jfardo@laurelnetworks.com>, Brad Garcia <garsh@attbi.com>
void
test_04()
{
signal(SIGPIPE, SIG_IGN);
if (0 != mkfifo("xxx", S_IRWXU))
{
std::cerr << "failed to creat fifo" << std::endl;
exit(-1);
}
int fval = fork();
if (fval == -1)
{
std::cerr << "failed to fork" << std::endl;
unlink("xxx");
exit(-1);
}
else if (fval == 0)
{
std::ifstream ifs("xxx");
sleep(1);
ifs.close();
exit(0);
}
std::ofstream ofs("xxx");
sleep(2);
ofs.put('t');
/*
* ISO/IED 14882:1998(E) 27.8.1.10.4
*
* void close();
*
* Effects: Calls rdbuf()->close() and, if that function fails
* (returns a null pointer), calls setstate(failbit)...
*/
ofs.close();
if (!(ofs.rdstate() & std::ios::failbit))
{
std::cerr << "fail bit was not set!" << std::endl;
unlink("xxx");
exit(-1);
}
unlink("xxx");
exit(0);
}
// Charles Leggett <CGLeggett@lbl.gov>
void test_05()
{
bool test = true;
std::fstream scratch_file;
scratch_file.open("SCRATCH", std::ios::out);
scratch_file.close();
scratch_file.open("SCRATCH", std::ios::in);
re PR libstdc++/4164 (33 Memory Leak when using iostream) 2002-04-15 Benjamin Kosnik <bkoz@redhat.com> PR libstdc++/4164 Valgrind fixes. * config/io/basic_file_stdio.cc (__basic_file::~__basic_file): Call close. (__basic_file::close): Call fflush. Correct return if fclose ok. (__basic_file::is_open): Make const. Change __c_file_type to __c_file. * config/io/basic_file_stdio.h: Change __c_file_type to __c_file. (__basic_file::is_open): Make const. * config/io/c_io_stdio.h: Change __c_file_type to __c_file. * include/std/std_fstream.h (filebuf::_M_allocate_file): Remove. (filebuf::_M_unbuf): Add. (filebuf::_M_file): Change to non-pointer. (filebuf::_M_allocate_pback_buffer): Remove. * include/bits/fstream.tcc (filebuf::_M_allocate_file): Remove. (filebuf::_M_allocate_internal_buffer): Use _M_unbuf. Change initialization list for _M_file change. (filebuf::_M_allocate_pback_buffer): Remove. Change _M_file usage to reflect non-pointer data member. * config/locale/generic/c_locale.cc (locale::facet::_S_create_c_locale): Add parameter. * config/locale/generic/collate_members.cc: Change _M_compare_helper to _M_compare. Change _M_transform_helper to _M_transform. * config/locale/generic/monetary_members.cc: Changeup data types. Add dtors. * config/locale/generic/numeric_members.cc: Add dtors. * config/locale/generic/time_members.cc: Add dtors. * config/locale/gnu/c_locale.cc: Add parameter. * config/locale/gnu/collate_members.cc:Change _M_compare_helper to _M_compare. Change _M_transform_helper to _M_transform. * config/locale/gnu/ctype_members.cc: Better error checking. * config/os/gnu-linux/bits/ctype_noninline.h: Better error checking. * config/locale/gnu/messages_members.cc: Tweak comment. * config/locale/gnu/monetary_members.cc: Change data types. Add dtors. * config/locale/gnu/numeric_members.cc: Add dtors, better error checking. * config/locale/gnu/time_members.cc: Same. * config/locale/ieee_1003.1-2001/c_locale.cc (locale::facet::_S_create_c_locale): Add parameter. * config/locale/ieee_1003.1-2001/c_locale.h: Correct typedef. * config/locale/ieee_1003.1-2001/codecvt_specializations.h: Remove bogus ctor. * include/bits/locale_facets.h (moneypunct): Use string literals. Don't define dtor. (numpunct): Same. (__timepunct): Same. (locale::_Impl::_M_facets): Change from vector to array. (locale::_Impl::_M_names): Change from array of strings to array of string literals. (locale::facet::_S_create_c_locale): Add parameter. (locale::locale::_S_num_facets): Move to... (locale::_Impl::_M_facets_size): Here. * include/bits/locale_facets.tcc: Fixups for _M_facets, _M_name changes. * include/bits/localefwd.h: (locale::id::_M_id): Add member function. (locale::_Impl::_Impl(facet**, size_t, bool)): Add. (locale::_Impl::_Impl(string, size_t)): Change to (locale::_Impl::_Impl(const char*, size_t)): This. * include/bits/streambuf.tcc (streambuf::_S_pback_size): Define. * include/std/std_streambuf.h (streambuf::_M_pback_size): Change to (streambuf::_S_pback_size): This. * src/globals.cc: Add pre-allocations for "C" facets. * src/locale-inst.cc: Remove vector instantiations. * src/locale.cc: Remove vector include. Fixups for _M_names, _M_facets changes. * src/localename.cc: Same. * include/bits/stl_vector.h: Fix odd formatting. * include/bits/basic_string.tcc: Tweak comment. * libsupc++/new: Make sure parameters are uglified. * libsupc++/typeinfo: Same. * testsuite/22_locale/num_get_members_char.cc: Fixup. * testsuite/22_locale/num_get_members_wchar_t.cc: Same. * testsuite/27_io/filebuf_members.cc: Same. From-SVN: r52345
2002-04-16 08:45:36 +08:00
if (!scratch_file)
VERIFY( false );
scratch_file.close();
}
int
main()
{
test_01();
test_02();
test_03();
test_04();
test_05();
return 0;
}