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Implement allocate_unique

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Glen Fernandes
2019-08-28 22:59:59 -04:00
parent 00f6b5dcb0
commit 60c26acab8
18 changed files with 2308 additions and 0 deletions
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test/allocate_unique_arrays_test.cpp Normal file
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/*
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/config.hpp>
#if (!defined(BOOST_LIBSTDCXX_VERSION) || \
BOOST_LIBSTDCXX_VERSION >= 48000) && \
!defined(BOOST_NO_CXX11_SMART_PTR) && \
!defined(BOOST_NO_CXX11_UNIFIED_INITIALIZATION_SYNTAX)
#include <boost/core/lightweight_test.hpp>
#include <boost/smart_ptr/allocate_unique.hpp>
template<class T = void>
struct creator {
typedef T value_type;
typedef T* pointer;
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 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;
}
int main()
{
{
std::unique_ptr<int[][2],
boost::alloc_deleter<int[][2], creator<int> > > result =
boost::allocate_unique<int[][2]>(creator<int>(), 2, {0, 1});
BOOST_TEST(result[0][0] == 0);
BOOST_TEST(result[0][1] == 1);
BOOST_TEST(result[1][0] == 0);
BOOST_TEST(result[1][1] == 1);
}
{
std::unique_ptr<int[][2],
boost::alloc_deleter<int[2][2], creator<int> > > result =
boost::allocate_unique<int[2][2]>(creator<int>(), {0, 1});
BOOST_TEST(result[0][0] == 0);
BOOST_TEST(result[0][1] == 1);
BOOST_TEST(result[1][0] == 0);
BOOST_TEST(result[1][1] == 1);
}
{
std::unique_ptr<const int[][2],
boost::alloc_deleter<const int[][2], creator<> > > result =
boost::allocate_unique<const int[][2]>(creator<>(), 2, {0, 1});
BOOST_TEST(result[0][0] == 0);
BOOST_TEST(result[0][1] == 1);
BOOST_TEST(result[1][0] == 0);
BOOST_TEST(result[1][1] == 1);
}
{
std::unique_ptr<const int[][2],
boost::alloc_deleter<const int[2][2], creator<> > > result =
boost::allocate_unique<const int[2][2]>(creator<>(), {0, 1});
BOOST_TEST(result[0][0] == 0);
BOOST_TEST(result[0][1] == 1);
BOOST_TEST(result[1][0] == 0);
BOOST_TEST(result[1][1] == 1);
}
return boost::report_errors();
}
#else
int main()
{
return 0;
}
#endif