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Implement allocate_local_shared for arrays

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Also fix the local_shared_ptr constructor to use element_type
This commit is contained in:
Glen Fernandes
2017-06-29 12:46:39 -04:00
parent 48294c483f
commit be736e5088
18 changed files with 2047 additions and 48 deletions
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162
test/allocate_local_shared_array_construct_test.cpp Normal file
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/*
Copyright 2017 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/lightweight_test.hpp>
#include <boost/smart_ptr/make_local_shared.hpp>
#if !defined(BOOST_NO_CXX11_ALLOCATOR)
struct allow { };
template<class T = void>
struct creator {
typedef T value_type;
template<class U>
struct rebind {
typedef creator<U> other;
};
creator() { }
template<class U>
creator(const creator<U>&) { }
T* allocate(std::size_t size) {
return static_cast<T*>(::operator new(sizeof(T) * size));
}
void deallocate(T* ptr, std::size_t) {
::operator delete(ptr);
}
template<class U>
void construct(U* ptr) {
::new(static_cast<void*>(ptr)) U(allow());
}
template<class U>
void destroy(U* ptr) {
ptr->~U();
}
};
template<class T, class U>
inline bool
operator==(const creator<T>&, const creator<U>&)
{
return true;
}
template<class T, class U>
inline bool
operator!=(const creator<T>&, const creator<U>&)
{
return false;
}
class type {
public:
static unsigned instances;
explicit type(allow) {
++instances;
}
~type() {
--instances;
}
private:
type(const type&);
type& operator=(const type&);
};
unsigned type::instances = 0;
int main()
{
{
boost::local_shared_ptr<type[]> result =
boost::allocate_local_shared<type[]>(creator<type>(), 3);
BOOST_TEST(result.get() != 0);
BOOST_TEST(result.local_use_count() == 1);
BOOST_TEST(type::instances == 3);
result.reset();
BOOST_TEST(type::instances == 0);
}
{
boost::local_shared_ptr<type[3]> result =
boost::allocate_local_shared<type[3]>(creator<type>());
BOOST_TEST(result.get() != 0);
BOOST_TEST(result.local_use_count() == 1);
BOOST_TEST(type::instances == 3);
result.reset();
BOOST_TEST(type::instances == 0);
}
{
boost::local_shared_ptr<type[][2]> result =
boost::allocate_local_shared<type[][2]>(creator<>(), 2);
BOOST_TEST(result.get() != 0);
BOOST_TEST(result.local_use_count() == 1);
BOOST_TEST(type::instances == 4);
result.reset();
BOOST_TEST(type::instances == 0);
}
{
boost::local_shared_ptr<type[2][2]> result =
boost::allocate_local_shared<type[2][2]>(creator<>());
BOOST_TEST(result.get() != 0);
BOOST_TEST(result.local_use_count() == 1);
BOOST_TEST(type::instances == 4);
result.reset();
BOOST_TEST(type::instances == 0);
}
{
boost::local_shared_ptr<const type[]> result =
boost::allocate_local_shared<const type[]>(creator<>(), 3);
BOOST_TEST(result.get() != 0);
BOOST_TEST(result.local_use_count() == 1);
BOOST_TEST(type::instances == 3);
result.reset();
BOOST_TEST(type::instances == 0);
}
{
boost::local_shared_ptr<const type[3]> result =
boost::allocate_local_shared<const type[3]>(creator<>());
BOOST_TEST(result.get() != 0);
BOOST_TEST(result.local_use_count() == 1);
BOOST_TEST(type::instances == 3);
result.reset();
BOOST_TEST(type::instances == 0);
}
{
boost::local_shared_ptr<const type[][2]> result =
boost::allocate_local_shared<const type[][2]>(creator<>(), 2);
BOOST_TEST(result.get() != 0);
BOOST_TEST(result.local_use_count() == 1);
BOOST_TEST(type::instances == 4);
result.reset();
BOOST_TEST(type::instances == 0);
}
{
boost::local_shared_ptr<const type[2][2]> result =
boost::allocate_local_shared<const type[2][2]>(creator<>());
BOOST_TEST(result.get() != 0);
BOOST_TEST(result.local_use_count() == 1);
BOOST_TEST(type::instances == 4);
result.reset();
BOOST_TEST(type::instances == 0);
}
return boost::report_errors();
}
#else
int main()
{
return 0;
}
#endif