libstdc++-v3/testsuite/ext/new_allocator/deallocate_local.cc

   1 //
   2 // Copyright (C) 2004 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, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
  18 // USA.
  19
  20 // 20.4.1.1 allocator members
  21
  22 #include <string>
  23 #include <ext/new_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("%u allocations to be released \n", alloc_cnt);
  48   free(p);
  49 }
  50
  51 typedef char char_t;
  52 typedef std::char_traits<char_t> traits_t;
  53 typedef __gnu_cxx::new_allocator<char_t> allocator_t;
  54 typedef std::basic_string<char_t, traits_t, allocator_t> string_t;
  55
  56 int main()
  57 {
  58   bool test __attribute__((unused)) = true;
  59   {
  60     string_t s;
  61     s += "bayou bend";
  62   }
  63   VERIFY( alloc_cnt == 0 );
  64   return 0;
  65 }