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

   1 /*
   2 Copyright 2014 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_SMART_PTR)
  10 #include <boost/detail/lightweight_test.hpp>
  11 #include <boost/smart_ptr/make_unique.hpp>
  12
  13 class type {
  14 public:
  15     static unsigned instances;
  16
  17     type() {
  18         if (instances == 5) {
  19             throw true;
  20         }
  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     try {
  39         boost::make_unique<type[]>(6);
  40         BOOST_ERROR("make_unique did not throw");
  41     } catch (...) {
  42         BOOST_TEST(type::instances == 0);
  43     }
  44     BOOST_TEST(type::instances == 0);
  45     try {
  46         boost::make_unique<type[][2]>(3);
  47         BOOST_ERROR("make_unique did not throw");
  48     } catch (...) {
  49         BOOST_TEST(type::instances == 0);
  50     }
  51     BOOST_TEST(type::instances == 0);
  52     try {
  53         boost::make_unique_noinit<type[]>(6);
  54         BOOST_ERROR("make_unique_noinit did not throw");
  55     } catch (...) {
  56         BOOST_TEST(type::instances == 0);
  57     }
  58     BOOST_TEST(type::instances == 0);
  59     try {
  60         boost::make_unique_noinit<type[][2]>(3);
  61         BOOST_ERROR("make_unique_noinit did not throw");
  62     } catch (...) {
  63         BOOST_TEST(type::instances == 0);
  64     }
  65     return boost::report_errors();
  66 }
  67 #else
  68 int main()
  69 {
  70     return 0;
  71 }
  72 #endif