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allocators.cc: New file.

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2001-12-11  Phil Edwards  <pme@gcc.gnu.org>

	* testsuite/ext/allocators.cc:  New file.

From-SVN: r47888
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Phil Edwards 2001-12-11 19:04:58 +00:00
parent d8634d8116
commit 3c612a619d
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libstdc++-v3/ChangeLog
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@ -1,3 +1,7 @@
2001-12-11 Phil Edwards <pme@gcc.gnu.org>
* testsuite/ext/allocators.cc: New file.
2001-12-11 Jason Merrill <jason@redhat.com>
* include/bits/locale_facets.tcc (_M_extract_int): Avoid

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libstdc++-v3/testsuite/ext/allocators.cc Normal file
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// 2001-11-25 Phil Edwards <pme@gcc.gnu.org>
//
// Copyright (C) 2001 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.
// 20.4.1.1 allocator members
#undef __USE_MALLOC
#include <memory>
#include <cstdlib>
#include <testsuite_hooks.h>
typedef std::__malloc_alloc_template<3> weird_alloc;
template class std::__malloc_alloc_template<3>;
typedef std::__debug_alloc<weird_alloc> debug_weird_alloc;
template class std::__debug_alloc<weird_alloc>;
typedef std::__default_alloc_template<true, 3> unshared_normal_alloc;
template class std::__default_alloc_template<true, 3>;
typedef std::__default_alloc_template<false, 3> unshared_singlethreaded;
template class std::__default_alloc_template<false, 3>;
//std::malloc_alloc test_malloc_alloc;
struct big
{
long f[15];
};
bool new_called;
bool delete_called;
std::size_t requested;
void*
operator new(std::size_t n) throw(std::bad_alloc)
{
new_called = true;
requested = n;
return std::malloc(n);
}
void
operator delete(void *v) throw()
{
delete_called = true;
return std::free(v);
}
template <typename arbitrary_SGIstyle_allocator,
bool uses_global_new_and_delete>
void test()
{
new_called = false;
delete_called = false;
requested = 0;
std::__allocator<big, arbitrary_SGIstyle_allocator> a;
big *p = a.allocate(10);
if (uses_global_new_and_delete) VERIFY (requested >= (10*15*sizeof(long)));
// Touch the far end of supposedly-allocated memory to check that we got
// all of it. Why "3"? Because it's my favorite integer between e and pi.
p[9].f[14] = 3;
VERIFY (new_called == uses_global_new_and_delete );
a.deallocate(p,10);
VERIFY (delete_called == uses_global_new_and_delete );
}
// These just help tracking down error messages.
void test01() { test<weird_alloc,false>(); }
void test02() { test<debug_weird_alloc,false>(); }
void test03() { test<unshared_normal_alloc,true>(); }
void test04() { test<unshared_singlethreaded,true>(); }
int main()
{
test01();
test02();
test03();
test04();
return 0;
}