Class throws_on_copy

test/optional_test.cpp:55–82

#ifndef BOOST_LEAF_NO_EXCEPTIONS
class throws_on_copy
{
    throws_on_copy & operator=( throws_on_copy const & )=delete;

public:

    int value;

    throws_on_copy()
    {
        BOOST_TEST(++object_count>0);
    }

    throws_on_copy( throws_on_copy const & )
    {
        throw std::exception();
    }

    throws_on_copy( throws_on_copy && )
    {
        BOOST_TEST(++object_count>0);
    }

    ~throws_on_copy()
    {
        BOOST_TEST(--object_count>=0);
    }
};
#endif

void run_tests()