ceph/src/boost/libs/smart_ptr/test/make_local_shared_array_esft_test.cpp

   1 /*
   2 Copyright 2017 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/config.hpp>
   9 #if !defined(BOOST_NO_CXX11_RVALUE_REFERENCES) && \
  10     !defined(BOOST_NO_CXX11_VARIADIC_TEMPLATES)
  11 #include <boost/core/lightweight_test.hpp>
  12 #include <boost/smart_ptr/enable_shared_from_this.hpp>
  13 #include <boost/smart_ptr/make_local_shared.hpp>
  14
  15 class type
  16     : public boost::enable_shared_from_this<type> {
  17 public:
  18     static unsigned instances;
  19
  20     type() {
  21         ++instances;
  22     }
  23
  24     ~type() {
  25         --instances;
  26     }
  27
  28 private:
  29     type(const type&);
  30     type& operator=(const type&);
  31 };
  32
  33 unsigned type::instances = 0;
  34
  35 int main()
  36 {
  37     BOOST_TEST(type::instances == 0);
  38     {
  39         boost::local_shared_ptr<type[]> result =
  40             boost::make_local_shared<type[]>(3);
  41         try {
  42             result[0].shared_from_this();
  43             BOOST_ERROR("shared_from_this did not throw");
  44         } catch (...) {
  45             BOOST_TEST(type::instances == 3);
  46         }
  47     }
  48     BOOST_TEST(type::instances == 0);
  49     {
  50         boost::local_shared_ptr<type[3]> result =
  51             boost::make_local_shared_noinit<type[3]>();
  52         try {
  53             result[0].shared_from_this();
  54             BOOST_ERROR("shared_from_this did not throw");
  55         } catch (...) {
  56             BOOST_TEST(type::instances == 3);
  57         }
  58     }
  59     return boost::report_errors();
  60 }
  61 #else
  62 int main()
  63 {
  64     return 0;
  65 }
  66 #endif