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/**
* This program checks if the compiler doesn't have a certain bug
* that we encountered when testing C++11 features
*/
#include "test_config.h"
#if defined (ACE_HAS_CPP11)
#include <type_traits>
#include <memory>
namespace FOO
{
template <typename T>
class o_r;
template <typename T>
struct o_t
{
typedef o_r<T> ref_type;
};
class T_base {};
template<typename T,
typename = typename std::enable_if<
std::is_base_of<T_base, T>::value>::type, typename ...Args>
o_r<T> make_f(Args&& ...args);
template <typename T>
class o_r final
{
public:
template <typename _Tp1, typename, typename ...Args>
friend o_r<_Tp1> make_f(Args&& ...args);
protected:
typedef std::shared_ptr<T> shared_ptr_type;
template<typename _Tp1, typename = typename
std::enable_if<std::is_convertible<_Tp1*, T*>::value>::type>
explicit o_r (_Tp1*)
: stub_ ()
{}
private:
shared_ptr_type stub_;
};
template<typename T, typename, typename ...Args>
inline o_r<T> make_f(Args&& ...args)
{
return o_r<T> (new T (std::forward<Args> (args)...));
}
class A : public T_base
{
protected:
A () = default;
template <typename _Tp1, typename, typename ...Args>
friend o_r<_Tp1> make_f(Args&& ...args);
};
o_t<A>::ref_type create ()
{
return make_f<A>();
}
class B {};
}
int
run_main (int, ACE_TCHAR *[])
{
ACE_START_TEST (ACE_TEXT("Compiler_Features_24_Test"));
ACE_DEBUG ((LM_INFO,
ACE_TEXT ("Compiler Feature 24 Test does compile and run.\n")));
FOO::o_r<FOO::A> l = FOO::create();
FOO::o_r<FOO::A> l2 = FOO::make_f<FOO::A>();
// next line doesn't compile and shouldn't
//FOO::o_r<FOO::B> l3 = FOO::make_f<FOO::B>();
ACE_END_TEST;
return 0;
}
#else
int
run_main (int, ACE_TCHAR *[])
{
ACE_START_TEST (ACE_TEXT("Compiler_Features_24_Test"));
ACE_DEBUG ((LM_INFO,
ACE_TEXT ("No C++11 support enabled\n")));
ACE_END_TEST;
return 0;
}
#endif
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