| /* |
| 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/config.hpp> |
| #if !defined(BOOST_NO_CXX11_RVALUE_REFERENCES) && \ |
| !defined(BOOST_NO_CXX11_VARIADIC_TEMPLATES) |
| #include <boost/align/is_aligned.hpp> |
| #include <boost/core/lightweight_test.hpp> |
| #include <boost/smart_ptr/make_local_shared.hpp> |
| #include <boost/smart_ptr/weak_ptr.hpp> |
| #include <boost/type_traits/alignment_of.hpp> |
| |
| 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 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; |
| |
| type() |
| : value_(0.0) { |
| ++instances; |
| } |
| |
| ~type() { |
| --instances; |
| } |
| |
| void set(long double value) { |
| value_ = value; |
| } |
| |
| long double get() const { |
| return value_; |
| } |
| |
| private: |
| type(const type&); |
| type& operator=(const type&); |
| |
| long double value_; |
| }; |
| |
| unsigned type::instances = 0; |
| |
| int main() |
| { |
| { |
| boost::local_shared_ptr<int[]> result = |
| boost::allocate_local_shared_noinit<int[]>(creator<int>(), 3); |
| BOOST_TEST(result.get() != 0); |
| BOOST_TEST(result.local_use_count() == 1); |
| BOOST_TEST(boost::alignment::is_aligned(result.get(), |
| boost::alignment_of<int>::value)); |
| } |
| { |
| boost::local_shared_ptr<int[3]> result = |
| boost::allocate_local_shared_noinit<int[3]>(creator<int>()); |
| BOOST_TEST(result.get() != 0); |
| BOOST_TEST(result.local_use_count() == 1); |
| BOOST_TEST(boost::alignment::is_aligned(result.get(), |
| boost::alignment_of<int>::value)); |
| } |
| { |
| boost::local_shared_ptr<int[][2]> result = |
| boost::allocate_local_shared_noinit<int[][2]>(creator<>(), 2); |
| BOOST_TEST(result.get() != 0); |
| BOOST_TEST(result.local_use_count() == 1); |
| BOOST_TEST(boost::alignment::is_aligned(result.get(), |
| boost::alignment_of<int>::value)); |
| } |
| { |
| boost::local_shared_ptr<int[2][2]> result = |
| boost::allocate_local_shared_noinit<int[2][2]>(creator<>()); |
| BOOST_TEST(result.get() != 0); |
| BOOST_TEST(result.local_use_count() == 1); |
| BOOST_TEST(boost::alignment::is_aligned(result.get(), |
| boost::alignment_of<int>::value)); |
| } |
| { |
| boost::local_shared_ptr<const int[]> result = |
| boost::allocate_local_shared_noinit<const int[]>(creator<>(), 3); |
| BOOST_TEST(result.get() != 0); |
| BOOST_TEST(result.local_use_count() == 1); |
| BOOST_TEST(boost::alignment::is_aligned(result.get(), |
| boost::alignment_of<int>::value)); |
| } |
| { |
| boost::local_shared_ptr<const int[3]> result = |
| boost::allocate_local_shared_noinit<const int[3]>(creator<>()); |
| BOOST_TEST(result.get() != 0); |
| BOOST_TEST(result.local_use_count() == 1); |
| BOOST_TEST(boost::alignment::is_aligned(result.get(), |
| boost::alignment_of<int>::value)); |
| } |
| { |
| boost::local_shared_ptr<const int[][2]> result = |
| boost::allocate_local_shared_noinit<const int[][2]>(creator<>(), 2); |
| BOOST_TEST(result.get() != 0); |
| BOOST_TEST(result.local_use_count() == 1); |
| BOOST_TEST(boost::alignment::is_aligned(result.get(), |
| boost::alignment_of<int>::value)); |
| } |
| { |
| boost::local_shared_ptr<const int[2][2]> result = |
| boost::allocate_local_shared_noinit<const int[2][2]>(creator<>()); |
| BOOST_TEST(result.get() != 0); |
| BOOST_TEST(result.local_use_count() == 1); |
| BOOST_TEST(boost::alignment::is_aligned(result.get(), |
| boost::alignment_of<int>::value)); |
| } |
| { |
| boost::local_shared_ptr<type[]> result = |
| boost::allocate_local_shared_noinit<type[]>(creator<type>(), 3); |
| BOOST_TEST(result.get() != 0); |
| BOOST_TEST(result.local_use_count() == 1); |
| BOOST_TEST(boost::alignment::is_aligned(result.get(), |
| boost::alignment_of<type>::value)); |
| BOOST_TEST(type::instances == 3); |
| boost::weak_ptr<type[]> other = result; |
| result.reset(); |
| BOOST_TEST(type::instances == 0); |
| } |
| { |
| boost::local_shared_ptr<type[3]> result = |
| boost::allocate_local_shared_noinit<type[3]>(creator<type>()); |
| BOOST_TEST(result.get() != 0); |
| BOOST_TEST(result.local_use_count() == 1); |
| BOOST_TEST(boost::alignment::is_aligned(result.get(), |
| boost::alignment_of<type>::value)); |
| BOOST_TEST(type::instances == 3); |
| boost::weak_ptr<type[3]> other = result; |
| result.reset(); |
| BOOST_TEST(type::instances == 0); |
| } |
| { |
| boost::local_shared_ptr<type[][2]> result = |
| boost::allocate_local_shared_noinit<type[][2]>(creator<>(), 2); |
| BOOST_TEST(result.get() != 0); |
| BOOST_TEST(result.local_use_count() == 1); |
| BOOST_TEST(boost::alignment::is_aligned(result.get(), |
| boost::alignment_of<type>::value)); |
| BOOST_TEST(type::instances == 4); |
| boost::weak_ptr<type[][2]> other = result; |
| result.reset(); |
| BOOST_TEST(type::instances == 0); |
| } |
| { |
| boost::local_shared_ptr<type[2][2]> result = |
| boost::allocate_local_shared_noinit<type[2][2]>(creator<>()); |
| BOOST_TEST(result.get() != 0); |
| BOOST_TEST(result.local_use_count() == 1); |
| BOOST_TEST(boost::alignment::is_aligned(result.get(), |
| boost::alignment_of<type>::value)); |
| BOOST_TEST(type::instances == 4); |
| boost::weak_ptr<type[2][2]> other = result; |
| result.reset(); |
| BOOST_TEST(type::instances == 0); |
| } |
| { |
| boost::local_shared_ptr<const type[]> result = |
| boost::allocate_local_shared_noinit<const type[]>(creator<>(), 3); |
| BOOST_TEST(result.get() != 0); |
| BOOST_TEST(result.local_use_count() == 1); |
| BOOST_TEST(boost::alignment::is_aligned(result.get(), |
| boost::alignment_of<type>::value)); |
| BOOST_TEST(type::instances == 3); |
| boost::weak_ptr<const type[]> other = result; |
| result.reset(); |
| BOOST_TEST(type::instances == 0); |
| } |
| { |
| boost::local_shared_ptr<const type[3]> result = |
| boost::allocate_local_shared_noinit<const type[3]>(creator<>()); |
| BOOST_TEST(result.get() != 0); |
| BOOST_TEST(result.local_use_count() == 1); |
| BOOST_TEST(boost::alignment::is_aligned(result.get(), |
| boost::alignment_of<type>::value)); |
| BOOST_TEST(type::instances == 3); |
| boost::weak_ptr<const type[3]> other = result; |
| result.reset(); |
| BOOST_TEST(type::instances == 0); |
| } |
| { |
| boost::local_shared_ptr<const type[][2]> result = |
| boost::allocate_local_shared_noinit<const |
| type[][2]>(creator<>(), 2); |
| BOOST_TEST(result.get() != 0); |
| BOOST_TEST(result.local_use_count() == 1); |
| BOOST_TEST(boost::alignment::is_aligned(result.get(), |
| boost::alignment_of<type>::value)); |
| BOOST_TEST(type::instances == 4); |
| boost::weak_ptr<const type[][2]> other = result; |
| result.reset(); |
| BOOST_TEST(type::instances == 0); |
| } |
| { |
| boost::local_shared_ptr<const type[2][2]> result = |
| boost::allocate_local_shared_noinit<const type[2][2]>(creator<>()); |
| BOOST_TEST(result.get() != 0); |
| BOOST_TEST(result.local_use_count() == 1); |
| BOOST_TEST(boost::alignment::is_aligned(result.get(), |
| boost::alignment_of<type>::value)); |
| BOOST_TEST(type::instances == 4); |
| boost::weak_ptr<const type[2][2]> other = result; |
| result.reset(); |
| BOOST_TEST(type::instances == 0); |
| } |
| return boost::report_errors(); |
| } |
| #else |
| int main() |
| { |
| return 0; |
| } |
| #endif |