ceph/src/boost/libs/smart_ptr/test/make_local_shared_array_throws_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/detail/lightweight_test.hpp>
  12 #include <boost/smart_ptr/make_local_shared.hpp>
  13
  14 class type {
  15 public:
  16     static unsigned instances;
  17
  18     type() {
  19         if (instances == 5) {
  20             throw true;
  21         }
  22         ++instances;
  23     }
  24
  25     ~type() {
  26         --instances;
  27     }
  28
  29 private:
  30     type(const type&);
  31     type& operator=(const type&);
  32 };
  33
  34 unsigned type::instances = 0;
  35
  36 int main()
  37 {
  38     try {
  39         boost::make_local_shared<type[]>(6);
  40         BOOST_ERROR("make_local_shared did not throw");
  41     } catch (...) {
  42         BOOST_TEST(type::instances == 0);
  43     }
  44     try {
  45         boost::make_local_shared<type[][2]>(3);
  46         BOOST_ERROR("make_local_shared did not throw");
  47     } catch (...) {
  48         BOOST_TEST(type::instances == 0);
  49     }
  50     try {
  51         boost::make_local_shared<type[6]>();
  52         BOOST_ERROR("make_local_shared did not throw");
  53     } catch (...) {
  54         BOOST_TEST(type::instances == 0);
  55     }
  56     try {
  57         boost::make_local_shared<type[3][2]>();
  58         BOOST_ERROR("make_local_shared did not throw");
  59     } catch (...) {
  60         BOOST_TEST(type::instances == 0);
  61     }
  62     try {
  63         boost::make_local_shared_noinit<type[]>(6);
  64         BOOST_ERROR("make_local_shared_noinit did not throw");
  65     } catch (...) {
  66         BOOST_TEST(type::instances == 0);
  67     }
  68     try {
  69         boost::make_local_shared_noinit<type[][2]>(3);
  70         BOOST_ERROR("make_local_shared_noinit did not throw");
  71     } catch (...) {
  72         BOOST_TEST(type::instances == 0);
  73     }
  74     try {
  75         boost::make_local_shared_noinit<type[6]>();
  76         BOOST_ERROR("make_local_shared_noinit did not throw");
  77     } catch (...) {
  78         BOOST_TEST(type::instances == 0);
  79     }
  80     try {
  81         boost::make_local_shared_noinit<type[3][2]>();
  82         BOOST_ERROR("make_local_shared_noinit did not throw");
  83     } catch (...) {
  84         BOOST_TEST(type::instances == 0);
  85     }
  86     return boost::report_errors();
  87 }
  88 #else
  89 int main()
  90 {
  91     return 0;
  92 }
  93 #endif