core/test/alloc_construct_throws_test.cpp
2019-05-03 08:54:09 -04:00

47 lines
873 B
C++

/*
Copyright 2019 Glen Joseph Fernandes
(glenjofe@gmail.com)
Distributed under the Boost Software License, Version 1.0.
(http://www.boost.org/LICENSE_1_0.txt)
*/
#include <boost/core/alloc_construct.hpp>
#include <boost/core/default_allocator.hpp>
#include <boost/core/lightweight_test.hpp>
class type {
public:
type() {
if (count == 4) {
throw true;
}
++count;
}
~type() {
--count;
}
static int count;
private:
type(const type&);
type& operator=(const type&);
};
int type::count = 0;
int main()
{
boost::default_allocator<type> a;
type* p = a.allocate(5);
try {
boost::alloc_construct_n(a, p, 5);
BOOST_ERROR("construct_n did not throw");
} catch (...) {
BOOST_TEST_EQ(type::count, 0);
}
a.deallocate(p, 5);
return boost::report_errors();
}