gomp-20050608-branch/libstdc++-v3/testsuite/ext/malloc_allocator/deallocate_local.cc

   1 //
   2 // Copyright (C) 2004, 2005 Free Software Foundation, Inc.
   3 //
   4 // This file is part of the GNU ISO C++ Library.  This library is free
   5 // software; you can redistribute it and/or modify it under the
   6 // terms of the GNU General Public License as published by the
   7 // Free Software Foundation; either version 2, or (at your option)
   8 // any later version.
   9 //
  10 // This library is distributed in the hope that it will be useful,
  11 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 // GNU General Public License for more details.
  14 //
  15 // You should have received a copy of the GNU General Public License along
  16 // with this library; see the file COPYING.  If not, write to the Free
  17 // Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
  18 // USA.
  19
  20 // 20.4.1.1 allocator members
  21
  22 #include <string>
  23 #include <ext/malloc_allocator.h>
  24 #include <testsuite_hooks.h>
  25
  26 static size_t alloc_cnt;
  27
  28 void* operator new(size_t size) throw(std::bad_alloc)
  29 {
  30   printf("operator new is called \n");
  31   void* p = malloc(size);
  32   if (p == NULL)
  33     throw std::bad_alloc();
  34   alloc_cnt++;
  35   return p;
  36 }
  37
  38 void operator delete(void* p) throw()
  39 {
  40   printf("operator delete is called \n");
  41   if (p == NULL)
  42     return;
  43   alloc_cnt--;
  44   if (alloc_cnt == 0)
  45     printf("All memory released \n");
  46   else
  47     printf("%lu allocations to be released \n",
  48            static_cast<unsigned long>(alloc_cnt));
  49   free(p);
  50 }
  51
  52 typedef char char_t;
  53 typedef std::char_traits<char_t> traits_t;
  54 typedef __gnu_cxx::malloc_allocator<char_t> allocator_t;
  55 typedef std::basic_string<char_t, traits_t, allocator_t> string_t;
  56
  57 int main()
  58 {
  59   bool test __attribute__((unused)) = true;
  60   {
  61     string_t s;
  62     s += "bayou bend";
  63   }
  64   VERIFY( alloc_cnt == 0 );
  65   return 0;
  66 }