libs/functional/factory/test/factory_default_allocator.cpp

   1 /*
   2 Copyright 2019 Glen Joseph Fernandes
   3 (glenjofe@gmail.com)
   4
   5 Distributed under the Boost Software License, Version 1.0.
   6 (http://www.boost.org/LICENSE_1_0.txt)
   7 */
   8 #include <boost/functional/factory.hpp>
   9 #include <boost/core/default_allocator.hpp>
  10 #include <boost/core/lightweight_test.hpp>
  11 #include <boost/smart_ptr/shared_ptr.hpp>
  12 #include <boost/config.hpp>
  13 #include <exception>
  14
  15 #if defined(BOOST_NO_EXCEPTIONS)
  16 namespace boost {
  17
  18 BOOST_NORETURN void throw_exception(const std::exception&)
  19 {
  20     std::terminate();
  21 }
  22
  23 }
  24 #endif
  25
  26 class sum  {
  27 public:
  28     sum(int a, int b)
  29         : value_(a + b) { }
  30
  31     int get() const {
  32         return value_;
  33     }
  34
  35 private:
  36     int value_;
  37 };
  38
  39 int main()
  40 {
  41     int a = 1;
  42     int b = 2;
  43     {
  44         boost::shared_ptr<sum> s(boost::factory<boost::shared_ptr<sum>,
  45             boost::default_allocator<void>,
  46             boost::factory_alloc_for_pointee_and_deleter>()(a, b));
  47         BOOST_TEST(s->get() == 3);
  48     }
  49     {
  50         boost::shared_ptr<sum> s(boost::factory<boost::shared_ptr<sum>,
  51             boost::default_allocator<void>,
  52             boost::factory_passes_alloc_to_smart_pointer>()(a, b));
  53         BOOST_TEST(s->get() == 3);
  54     }
  55     return boost::report_errors();
  56 }