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

   1 //
   2 // Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009
   3 // Free Software Foundation, Inc.
   4 //
   5 // This file is part of the GNU ISO C++ Library.  This library is free
   6 // software; you can redistribute it and/or modify it under the
   7 // terms of the GNU General Public License as published by the
   8 // Free Software Foundation; either version 3, or (at your option)
   9 // any later version.
  10 //
  11 // This library is distributed in the hope that it will be useful,
  12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 // GNU General Public License for more details.
  15 //
  16 // You should have received a copy of the GNU General Public License along
  17 // with this library; see the file COPYING3.  If not see
  18 // <http://www.gnu.org/licenses/>.
  19
  20 // 20.4.1.1 allocator members
  21
  22 #include <string>
  23 #include <stdexcept>
  24 #include <cstdlib>
  25 #include <cstdio>
  26 #include <ext/new_allocator.h>
  27
  28 static size_t count;
  29
  30 struct count_check
  31 {
  32   count_check() { }
  33   ~count_check()
  34   {
  35     if (count != 0)
  36       throw std::runtime_error("allocation/deallocation count isn't zero");
  37   }
  38 };
  39
  40 static count_check check;
  41
  42 void* operator new(size_t size) throw(std::bad_alloc)
  43 {
  44   std::printf("operator new is called \n");
  45   void* p = std::malloc(size);
  46   if (p == NULL)
  47     throw std::bad_alloc();
  48   count++;
  49   return p;
  50 }
  51
  52 void operator delete(void* p) throw()
  53 {
  54   std::printf("operator delete is called \n");
  55   if (p == NULL)
  56     return;
  57   count--;
  58 }
  59
  60 typedef char char_t;
  61 typedef std::char_traits<char_t> traits_t;
  62 typedef __gnu_cxx::new_allocator<char_t> allocator_t;
  63 typedef std::basic_string<char_t, traits_t, allocator_t> string_t;
  64
  65 int main()
  66 {
  67   string_t s;
  68   s += "bayou bend";
  69   return 0;
  70 }