gcc/libstdc++-v3/testsuite/testsuite_hooks.cc
Danny Smith 701b701b54 testsuite_hooks.cc (try_mkfifo): Avoid calling mkfifo for mingw32.
2004-01-16  Danny Smith  <dannysmith@users.sourceforge.net>

	* testsuite/testsuite_hooks.cc (try_mkfifo): Avoid calling
	mkfifo for mingw32.

From-SVN: r75963
2004-01-16 08:43:45 +00:00

382 lines
9.5 KiB
C++

// -*- C++ -*-
// Utility subroutines for the C++ library testsuite.
//
// Copyright (C) 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.
//
// As a special exception, you may use this file as part of a free software
// library without restriction. Specifically, if other files instantiate
// templates or use macros or inline functions from this file, or you compile
// this file and link it with other files to produce an executable, this
// file does not by itself cause the resulting executable to be covered by
// the GNU General Public License. This exception does not however
// invalidate any other reasons why the executable file might be covered by
// the GNU General Public License.
#include <testsuite_hooks.h>
#ifdef _GLIBCXX_MEM_LIMITS
#include <unistd.h>
#include <sys/time.h>
#include <sys/resource.h>
#endif
#include <list>
#include <string>
#include <stdexcept>
#include <clocale>
#include <locale>
#include <cxxabi.h>
namespace __gnu_test
{
#ifdef _GLIBCXX_MEM_LIMITS
void
set_memory_limits(float size)
{
struct rlimit r;
// Cater to the absence of rlim_t.
__typeof__ (r.rlim_cur) limit = (__typeof__ (r.rlim_cur))(size * 1048576);
// Heap size, seems to be common.
#if _GLIBCXX_HAVE_MEMLIMIT_DATA
getrlimit(RLIMIT_DATA, &r);
r.rlim_cur = limit;
setrlimit(RLIMIT_DATA, &r);
#endif
// Resident set size.
#if _GLIBCXX_HAVE_MEMLIMIT_RSS
getrlimit(RLIMIT_RSS, &r);
r.rlim_cur = limit;
setrlimit(RLIMIT_RSS, &r);
#endif
// Mapped memory (brk + mmap).
#if _GLIBCXX_HAVE_MEMLIMIT_VMEM
getrlimit(RLIMIT_VMEM, &r);
r.rlim_cur = limit;
setrlimit(RLIMIT_VMEM, &r);
#endif
// Virtual memory.
#if _GLIBCXX_HAVE_MEMLIMIT_AS
getrlimit(RLIMIT_AS, &r);
r.rlim_cur = limit;
setrlimit(RLIMIT_AS, &r);
#endif
}
#else
void
set_memory_limits(float) { }
#endif
void
verify_demangle(const char* mangled, const char* wanted)
{
int status = 0;
const char* s = abi::__cxa_demangle(mangled, 0, 0, &status);
if (!s)
{
switch (status)
{
case 0:
s = "error code = 0: success";
break;
case -1:
s = "error code = -1: memory allocation failure";
break;
case -2:
s = "error code = -2: invalid mangled name";
break;
case -3:
s = "error code = -3: invalid arguments";
break;
default:
s = "error code unknown - who knows what happened";
}
}
std::string w(wanted);
if (w != s)
throw std::runtime_error(s);
}
// Useful exceptions.
class locale_data : public std::runtime_error
{
public:
explicit
locale_data(const std::string& __arg) : runtime_error(__arg) { }
};
class environment_variable: public std::runtime_error
{
public:
explicit
environment_variable(const std::string& __arg) : runtime_error(__arg) { }
};
class not_found : public std::runtime_error
{
public:
explicit
not_found(const std::string& __arg) : runtime_error(__arg) { }
};
void
run_tests_wrapped_locale(const char* name, const func_callback& l)
{
using namespace std;
bool test = true;
// Set the global locale.
locale loc_name = try_named_locale(name);
locale orig = locale::global(loc_name);
const char* res = setlocale(LC_ALL, name);
if (res != NULL)
{
string preLC_ALL = res;
const func_callback::test_type* tests = l.tests();
for (int i = 0; i < l.size(); ++i)
(*tests[i])();
string postLC_ALL= setlocale(LC_ALL, NULL);
VERIFY( preLC_ALL == postLC_ALL );
}
else
throw environment_variable(string("LC_ALL for ") + string(name));
}
void
run_tests_wrapped_env(const char* name, const char* env,
const func_callback& l)
{
using namespace std;
bool test = true;
#ifdef _GLIBCXX_HAVE_SETENV
// Set the global locale.
locale loc_name = try_named_locale(name);
locale orig = locale::global(loc_name);
// Set environment variable env to value in name.
const char* oldENV = getenv(env);
if (!setenv(env, name, 1))
{
const func_callback::test_type* tests = l.tests();
for (int i = 0; i < l.size(); ++i)
(*tests[i])();
setenv(env, oldENV ? oldENV : "", 1);
}
else
throw environment_variable(string(env) + string(" to ") + string(name));
#endif
}
std::locale
try_named_locale(const char* name)
{
try
{
return std::locale(name);
}
catch (std::runtime_error& ex)
{
// Thrown by generic and gnu implemenation if named locale fails.
if (std::strstr(ex.what(), "name not valid"))
exit(0);
else
throw;
}
}
int
try_mkfifo (const char* filename, mode_t mode)
{
#if defined (_NEWLIB_VERSION) || defined (__MINGW32_VERSION)
/* Newlib and MinGW32 do not have mkfifo. */
exit(0);
#else
return mkfifo(filename, mode);
#endif
}
counter::size_type counter::count = 0;
unsigned int copy_constructor::count_ = 0;
unsigned int copy_constructor::throw_on_ = 0;
unsigned int assignment_operator::count_ = 0;
unsigned int assignment_operator::throw_on_ = 0;
unsigned int destructor::_M_count = 0;
int copy_tracker::next_id_ = 0;
}; // namespace __gnu_test
namespace std
{
// Member specializations for the existing facet classes.
// NB: This isn't especially portable. Perhaps a better way would be
// to just specialize all of numpunct and ctype.
using __gnu_test::int_type;
using __gnu_test::value_type;
using __gnu_test::pod_type;
template<>
bool
ctype<pod_type>::
do_is(mask, char_type) const { return true; }
template<>
const pod_type*
ctype<pod_type>::
do_is(const char_type* __lo, const char_type*, mask*) const
{ return __lo; }
template<>
const pod_type*
ctype<pod_type>::
do_scan_is(mask, const char_type* __lo, const char_type*) const
{ return __lo; }
template<>
const pod_type*
ctype<pod_type>::
do_scan_not(mask, const char_type* __lo, const char_type*) const
{ return __lo; }
template<>
pod_type
ctype<pod_type>::
do_toupper(char_type __c) const
{ return __c; }
template<>
const pod_type*
ctype<pod_type>::
do_toupper(char_type*, const char_type* __hi) const
{ return __hi; }
template<>
pod_type
ctype<pod_type>::
do_tolower(char_type __c) const
{ return __c; }
template<>
const pod_type*
ctype<pod_type>::
do_tolower(char_type*, const char_type* __hi) const
{ return __hi; }
template<>
pod_type
ctype<pod_type>::
do_widen(char __c) const
{
char_type ret = { value_type(__c) };
return ret;
}
template<>
const char*
ctype<pod_type>::
do_widen(const char* __lo, const char* __hi, char_type* __dest) const
{
while (__lo < __hi)
{
*__dest = this->do_widen(*__lo);
++__lo;
++__dest;
}
return __hi;
}
template<>
char
ctype<pod_type>::
do_narrow(char_type __wc, char) const
{ return static_cast<char>(__wc.value); }
template<>
const pod_type*
ctype<pod_type>::
do_narrow(const pod_type* __lo, const pod_type* __hi,
char, char* __dest) const
{
while (__lo < __hi)
{
*__dest = this->do_narrow(*__lo, char());
++__lo;
++__dest;
}
return __hi;
}
template<>
ctype<pod_type>::~ctype() { }
template<>
void
numpunct<pod_type>::_M_initialize_numpunct(__c_locale)
{
if (!_M_data)
_M_data = new __numpunct_cache<pod_type>;
_M_data->_M_grouping = "";
_M_data->_M_use_grouping = false;
_M_data->_M_decimal_point.value = value_type('.');
_M_data->_M_thousands_sep.value = value_type(',');
for (size_t i = 0; i < __num_base::_S_oend; ++i)
{
value_type v = __num_base::_S_atoms_out[i];
_M_data->_M_atoms_out[i].value = v;
}
_M_data->_M_atoms_out[__num_base::_S_oend] = pod_type();
for (size_t i = 0; i < __num_base::_S_iend; ++i)
_M_data->_M_atoms_in[i].value = value_type(__num_base::_S_atoms_in[i]);
_M_data->_M_atoms_in[__num_base::_S_iend] = pod_type();
// "true"
pod_type* __truename = new pod_type[4 + 1];
__truename[0].value = value_type('t');
__truename[1].value = value_type('r');
__truename[2].value = value_type('u');
__truename[3].value = value_type('e');
__truename[4] = pod_type();
_M_data->_M_truename = __truename;
// "false"
pod_type* __falsename = new pod_type[5 + 1];
__falsename[0].value = value_type('f');
__falsename[1].value = value_type('a');
__falsename[2].value = value_type('l');
__falsename[3].value = value_type('s');
__falsename[4].value = value_type('e');
__falsename[5] = pod_type();
_M_data->_M_falsename = __falsename;
}
template<>
numpunct<pod_type>::~numpunct()
{ delete _M_data; }
} // namespace std