/*
-(c) 2012-2015 Glen Joseph Fernandes
-<glenjofe -at- gmail.com>
+Copyright 2012-2015 Glen Joseph Fernandes
+(glenjofe@gmail.com)
-Distributed under the Boost Software
-License, Version 1.0.
-http://boost.org/LICENSE_1_0.txt
+Distributed under the Boost Software License, Version 1.0.
+(http://www.boost.org/LICENSE_1_0.txt)
*/
+#include <boost/align/is_aligned.hpp>
#include <boost/core/lightweight_test.hpp>
#include <boost/smart_ptr/make_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 int instances;
- explicit type() {
- instances++;
+ static unsigned instances;
+
+ type()
+ : value_(0.0) {
+ ++instances;
}
+
~type() {
- instances--;
+ --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 int type::instances = 0;
+unsigned type::instances = 0;
int main()
{
{
- boost::shared_ptr<int[]> a1 = boost::allocate_shared_noinit<int[]>(std::allocator<int>(), 3);
- int* a2 = a1.get();
- BOOST_TEST(a1.use_count() == 1);
- BOOST_TEST(a2 != 0);
- BOOST_TEST(size_t(a2) % boost::alignment_of<int>::value == 0);
+ boost::shared_ptr<int[]> result =
+ boost::allocate_shared_noinit<int[]>(creator<int>(), 3);
+ BOOST_TEST(result.get() != 0);
+ BOOST_TEST(result.use_count() == 1);
+ BOOST_TEST(boost::alignment::is_aligned(result.get(),
+ boost::alignment_of<int>::value));
}
{
- boost::shared_ptr<int[3]> a1 = boost::allocate_shared_noinit<int[3]>(std::allocator<int>());
- int* a2 = a1.get();
- BOOST_TEST(a1.use_count() == 1);
- BOOST_TEST(a2 != 0);
- BOOST_TEST(size_t(a2) % boost::alignment_of<int>::value == 0);
+ boost::shared_ptr<int[3]> result =
+ boost::allocate_shared_noinit<int[3]>(creator<int>());
+ BOOST_TEST(result.get() != 0);
+ BOOST_TEST(result.use_count() == 1);
+ BOOST_TEST(boost::alignment::is_aligned(result.get(),
+ boost::alignment_of<int>::value));
}
{
- boost::shared_ptr<int[][2]> a1 = boost::allocate_shared_noinit<int[][2]>(std::allocator<int>(), 2);
- BOOST_TEST(a1.get() != 0);
- BOOST_TEST(a1.use_count() == 1);
+ boost::shared_ptr<int[][2]> result =
+ boost::allocate_shared_noinit<int[][2]>(creator<>(), 2);
+ BOOST_TEST(result.get() != 0);
+ BOOST_TEST(result.use_count() == 1);
+ BOOST_TEST(boost::alignment::is_aligned(result.get(),
+ boost::alignment_of<int>::value));
}
{
- boost::shared_ptr<int[2][2]> a1 = boost::allocate_shared_noinit<int[2][2]>(std::allocator<int>());
- BOOST_TEST(a1.get() != 0);
- BOOST_TEST(a1.use_count() == 1);
+ boost::shared_ptr<int[2][2]> result =
+ boost::allocate_shared_noinit<int[2][2]>(creator<>());
+ BOOST_TEST(result.get() != 0);
+ BOOST_TEST(result.use_count() == 1);
+ BOOST_TEST(boost::alignment::is_aligned(result.get(),
+ boost::alignment_of<int>::value));
}
{
- boost::shared_ptr<const int[]> a1 = boost::allocate_shared_noinit<const int[]>(std::allocator<int>(), 3);
- const int* a2 = a1.get();
- BOOST_TEST(a1.use_count() == 1);
- BOOST_TEST(a2 != 0);
- BOOST_TEST(size_t(a2) % boost::alignment_of<int>::value == 0);
+ boost::shared_ptr<const int[]> result =
+ boost::allocate_shared_noinit<const int[]>(creator<>(), 3);
+ BOOST_TEST(result.get() != 0);
+ BOOST_TEST(result.use_count() == 1);
+ BOOST_TEST(boost::alignment::is_aligned(result.get(),
+ boost::alignment_of<int>::value));
}
{
- boost::shared_ptr<const int[3]> a1 = boost::allocate_shared_noinit<const int[3]>(std::allocator<int>());
- const int* a2 = a1.get();
- BOOST_TEST(a1.use_count() == 1);
- BOOST_TEST(a2 != 0);
- BOOST_TEST(size_t(a2) % boost::alignment_of<int>::value == 0);
+ boost::shared_ptr<const int[3]> result =
+ boost::allocate_shared_noinit<const int[3]>(creator<>());
+ BOOST_TEST(result.get() != 0);
+ BOOST_TEST(result.use_count() == 1);
+ BOOST_TEST(boost::alignment::is_aligned(result.get(),
+ boost::alignment_of<int>::value));
}
{
- boost::shared_ptr<const int[][2]> a1 = boost::allocate_shared_noinit<const int[][2]>(std::allocator<int>(), 2);
- BOOST_TEST(a1.get() != 0);
- BOOST_TEST(a1.use_count() == 1);
+ boost::shared_ptr<const int[][2]> result =
+ boost::allocate_shared_noinit<const int[][2]>(creator<>(), 2);
+ BOOST_TEST(result.get() != 0);
+ BOOST_TEST(result.use_count() == 1);
+ BOOST_TEST(boost::alignment::is_aligned(result.get(),
+ boost::alignment_of<int>::value));
}
{
- boost::shared_ptr<const int[2][2]> a1 = boost::allocate_shared_noinit<const int[2][2]>(std::allocator<int>());
- BOOST_TEST(a1.get() != 0);
- BOOST_TEST(a1.use_count() == 1);
+ boost::shared_ptr<const int[2][2]> result =
+ boost::allocate_shared_noinit<const int[2][2]>(creator<>());
+ BOOST_TEST(result.get() != 0);
+ BOOST_TEST(result.use_count() == 1);
+ BOOST_TEST(boost::alignment::is_aligned(result.get(),
+ boost::alignment_of<int>::value));
}
{
- boost::shared_ptr<type[]> a1 = boost::allocate_shared_noinit<type[]>(std::allocator<type>(), 3);
- type* a2 = a1.get();
- BOOST_TEST(a1.use_count() == 1);
- BOOST_TEST(a2 != 0);
- BOOST_TEST(size_t(a2) % boost::alignment_of<type>::value == 0);
+ boost::shared_ptr<type[]> result =
+ boost::allocate_shared_noinit<type[]>(creator<type>(), 3);
+ BOOST_TEST(result.get() != 0);
+ BOOST_TEST(result.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[]> w1 = a1;
- a1.reset();
+ boost::weak_ptr<type[]> other = result;
+ result.reset();
BOOST_TEST(type::instances == 0);
}
{
- boost::shared_ptr<type[3]> a1 = boost::allocate_shared_noinit<type[3]>(std::allocator<type>());
- type* a2 = a1.get();
- BOOST_TEST(a1.use_count() == 1);
- BOOST_TEST(a2 != 0);
- BOOST_TEST(size_t(a2) % boost::alignment_of<type>::value == 0);
+ boost::shared_ptr<type[3]> result =
+ boost::allocate_shared_noinit<type[3]>(creator<type>());
+ BOOST_TEST(result.get() != 0);
+ BOOST_TEST(result.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]> w1 = a1;
- a1.reset();
+ boost::weak_ptr<type[3]> other = result;
+ result.reset();
BOOST_TEST(type::instances == 0);
}
{
- boost::shared_ptr<type[][2]> a1 = boost::allocate_shared_noinit<type[][2]>(std::allocator<type>(), 2);
- BOOST_TEST(a1.get() != 0);
- BOOST_TEST(a1.use_count() == 1);
+ boost::shared_ptr<type[][2]> result =
+ boost::allocate_shared_noinit<type[][2]>(creator<>(), 2);
+ BOOST_TEST(result.get() != 0);
+ BOOST_TEST(result.use_count() == 1);
+ BOOST_TEST(boost::alignment::is_aligned(result.get(),
+ boost::alignment_of<type>::value));
BOOST_TEST(type::instances == 4);
- a1.reset();
+ boost::weak_ptr<type[][2]> other = result;
+ result.reset();
BOOST_TEST(type::instances == 0);
}
{
- boost::shared_ptr<type[2][2]> a1 = boost::allocate_shared_noinit<type[2][2]>(std::allocator<type>());
- BOOST_TEST(a1.get() != 0);
- BOOST_TEST(a1.use_count() == 1);
+ boost::shared_ptr<type[2][2]> result =
+ boost::allocate_shared_noinit<type[2][2]>(creator<>());
+ BOOST_TEST(result.get() != 0);
+ BOOST_TEST(result.use_count() == 1);
+ BOOST_TEST(boost::alignment::is_aligned(result.get(),
+ boost::alignment_of<type>::value));
BOOST_TEST(type::instances == 4);
- a1.reset();
+ boost::weak_ptr<type[2][2]> other = result;
+ result.reset();
BOOST_TEST(type::instances == 0);
}
{
- boost::shared_ptr<const type[]> a1 = boost::allocate_shared_noinit<const type[]>(std::allocator<type>(), 3);
- const type* a2 = a1.get();
- BOOST_TEST(a1.use_count() == 1);
- BOOST_TEST(a2 != 0);
- BOOST_TEST(size_t(a2) % boost::alignment_of<type>::value == 0);
+ boost::shared_ptr<const type[]> result =
+ boost::allocate_shared_noinit<const type[]>(creator<>(), 3);
+ BOOST_TEST(result.get() != 0);
+ BOOST_TEST(result.use_count() == 1);
+ BOOST_TEST(boost::alignment::is_aligned(result.get(),
+ boost::alignment_of<type>::value));
BOOST_TEST(type::instances == 3);
- a1.reset();
+ boost::weak_ptr<const type[]> other = result;
+ result.reset();
BOOST_TEST(type::instances == 0);
}
{
- boost::shared_ptr<const type[3]> a1 = boost::allocate_shared_noinit<const type[3]>(std::allocator<type>());
- const type* a2 = a1.get();
- BOOST_TEST(a1.use_count() == 1);
- BOOST_TEST(a2 != 0);
- BOOST_TEST(size_t(a2) % boost::alignment_of<type>::value == 0);
+ boost::shared_ptr<const type[3]> result =
+ boost::allocate_shared_noinit<const type[3]>(creator<>());
+ BOOST_TEST(result.get() != 0);
+ BOOST_TEST(result.use_count() == 1);
+ BOOST_TEST(boost::alignment::is_aligned(result.get(),
+ boost::alignment_of<type>::value));
BOOST_TEST(type::instances == 3);
- a1.reset();
+ boost::weak_ptr<const type[3]> other = result;
+ result.reset();
BOOST_TEST(type::instances == 0);
}
{
- boost::shared_ptr<const type[][2]> a1 = boost::allocate_shared_noinit<const type[][2]>(std::allocator<type>(), 2);
- BOOST_TEST(a1.get() != 0);
- BOOST_TEST(a1.use_count() == 1);
+ boost::shared_ptr<const type[][2]> result =
+ boost::allocate_shared_noinit<const
+ type[][2]>(creator<>(), 2);
+ BOOST_TEST(result.get() != 0);
+ BOOST_TEST(result.use_count() == 1);
+ BOOST_TEST(boost::alignment::is_aligned(result.get(),
+ boost::alignment_of<type>::value));
BOOST_TEST(type::instances == 4);
- a1.reset();
+ boost::weak_ptr<const type[][2]> other = result;
+ result.reset();
BOOST_TEST(type::instances == 0);
}
{
- boost::shared_ptr<const type[2][2]> a1 = boost::allocate_shared_noinit<const type[2][2]>(std::allocator<type>());
- BOOST_TEST(a1.get() != 0);
- BOOST_TEST(a1.use_count() == 1);
+ boost::shared_ptr<const type[2][2]> result =
+ boost::allocate_shared_noinit<const type[2][2]>(creator<>());
+ BOOST_TEST(result.get() != 0);
+ BOOST_TEST(result.use_count() == 1);
+ BOOST_TEST(boost::alignment::is_aligned(result.get(),
+ boost::alignment_of<type>::value));
BOOST_TEST(type::instances == 4);
- a1.reset();
+ boost::weak_ptr<const type[2][2]> other = result;
+ result.reset();
BOOST_TEST(type::instances == 0);
}
return boost::report_errors();