123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163 |
- /*
- Copyright 2012-2015 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_ALLOCATOR)
- #include <boost/core/lightweight_test.hpp>
- #include <boost/smart_ptr/make_shared.hpp>
- 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::shared_ptr<type[]> result =
- boost::allocate_shared<type[]>(creator<type>(), 3);
- BOOST_TEST(result.get() != 0);
- BOOST_TEST(result.use_count() == 1);
- BOOST_TEST(type::instances == 3);
- result.reset();
- BOOST_TEST(type::instances == 0);
- }
- {
- boost::shared_ptr<type[3]> result =
- boost::allocate_shared<type[3]>(creator<type>());
- BOOST_TEST(result.get() != 0);
- BOOST_TEST(result.use_count() == 1);
- BOOST_TEST(type::instances == 3);
- result.reset();
- BOOST_TEST(type::instances == 0);
- }
- {
- boost::shared_ptr<type[][2]> result =
- boost::allocate_shared<type[][2]>(creator<>(), 2);
- BOOST_TEST(result.get() != 0);
- BOOST_TEST(result.use_count() == 1);
- BOOST_TEST(type::instances == 4);
- result.reset();
- BOOST_TEST(type::instances == 0);
- }
- {
- boost::shared_ptr<type[2][2]> result =
- boost::allocate_shared<type[2][2]>(creator<>());
- BOOST_TEST(result.get() != 0);
- BOOST_TEST(result.use_count() == 1);
- BOOST_TEST(type::instances == 4);
- result.reset();
- BOOST_TEST(type::instances == 0);
- }
- {
- boost::shared_ptr<const type[]> result =
- boost::allocate_shared<const type[]>(creator<>(), 3);
- BOOST_TEST(result.get() != 0);
- BOOST_TEST(result.use_count() == 1);
- BOOST_TEST(type::instances == 3);
- result.reset();
- BOOST_TEST(type::instances == 0);
- }
- {
- boost::shared_ptr<const type[3]> result =
- boost::allocate_shared<const type[3]>(creator<>());
- BOOST_TEST(result.get() != 0);
- BOOST_TEST(result.use_count() == 1);
- BOOST_TEST(type::instances == 3);
- result.reset();
- BOOST_TEST(type::instances == 0);
- }
- {
- boost::shared_ptr<const type[][2]> result =
- boost::allocate_shared<const type[][2]>(creator<>(), 2);
- BOOST_TEST(result.get() != 0);
- BOOST_TEST(result.use_count() == 1);
- BOOST_TEST(type::instances == 4);
- result.reset();
- BOOST_TEST(type::instances == 0);
- }
- {
- boost::shared_ptr<const type[2][2]> result =
- boost::allocate_shared<const type[2][2]>(creator<>());
- BOOST_TEST(result.get() != 0);
- BOOST_TEST(result.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
|