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/*
Copyright 2022 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/allocator_access.hpp>
#include <boost/core/lightweight_test.hpp>
struct S {
static int count;
S() {
++count;
}
S(const S&) {
++count;
}
~S() {
--count;
}
};
int S::count = 0;
template<class T>
struct A1 {
typedef T value_type;
A1() { }
};
#if !defined(BOOST_NO_CXX11_ALLOCATOR)
template<class T>
struct A2 {
typedef T value_type;
A2() { }
template<class U>
void destroy(U* p) {
*p = U();
}
};
#endif
int main()
{
{
A1<int> a;
S s[3];
boost::allocator_destroy_n(a, &s[0], 3);
BOOST_TEST_EQ(S::count, 0);
::new((void*)&s[0]) S();
::new((void*)&s[1]) S();
::new((void*)&s[2]) S();
}
#if !defined(BOOST_NO_CXX11_ALLOCATOR)
{
A2<int> a;
int i[3] = { 5, 5, 5 };
boost::allocator_destroy_n(a, &i[0], 3);
BOOST_TEST_EQ(i[0], 0);
BOOST_TEST_EQ(i[1], 0);
BOOST_TEST_EQ(i[2], 0);
}
#endif
return boost::report_errors();
}
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