Correctly implement LWG 2049; std::is_destructible.

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@213163 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Marshall Clow
2014-07-16 15:51:50 +00:00
parent 7ef03b79f9
commit 2b44e3dd49
5 changed files with 114 additions and 38 deletions

View File

@@ -24,6 +24,16 @@ private:
A(char);
};
class Abstract
{
virtual void foo() = 0;
};
class AbstractDestructor
{
virtual ~AbstractDestructor() = 0;
};
template <class T>
void test_is_constructible()
{
@@ -71,4 +81,6 @@ int main()
test_is_not_constructible<A, void> ();
test_is_not_constructible<void> ();
test_is_not_constructible<int&> ();
test_is_not_constructible<Abstract> ();
test_is_not_constructible<AbstractDestructor> ();
}

View File

@@ -31,9 +31,7 @@ void test_is_not_destructible()
static_assert(!std::is_destructible<const volatile T>::value, "");
}
class Empty
{
};
class Empty {};
class NotEmpty
{
@@ -47,11 +45,6 @@ struct bit_zero
int : 0;
};
class Abstract
{
virtual ~Abstract() = 0;
};
struct A
{
~A();
@@ -59,6 +52,31 @@ struct A
typedef void (Function) ();
struct PublicAbstract { public: virtual void foo() = 0; };
struct ProtectedAbstract { protected: virtual void foo() = 0; };
struct PrivateAbstract { private: virtual void foo() = 0; };
struct PublicDestructor { public: ~PublicDestructor() {}};
struct ProtectedDestructor { protected: ~ProtectedDestructor() {}};
struct PrivateDestructor { private: ~PrivateDestructor() {}};
struct VirtualPublicDestructor { public: virtual ~VirtualPublicDestructor() {}};
struct VirtualProtectedDestructor { protected: virtual ~VirtualProtectedDestructor() {}};
struct VirtualPrivateDestructor { private: virtual ~VirtualPrivateDestructor() {}};
struct PurePublicDestructor { public: virtual ~PurePublicDestructor() = 0; };
struct PureProtectedDestructor { protected: virtual ~PureProtectedDestructor() = 0; };
struct PurePrivateDestructor { private: virtual ~PurePrivateDestructor() = 0; };
struct DeletedPublicDestructor { public: ~DeletedPublicDestructor() = delete; };
struct DeletedProtectedDestructor { protected: ~DeletedProtectedDestructor() = delete; };
struct DeletedPrivateDestructor { private: ~DeletedPrivateDestructor() = delete; };
struct DeletedVirtualPublicDestructor { public: virtual ~DeletedVirtualPublicDestructor() = delete; };
struct DeletedVirtualProtectedDestructor { protected: virtual ~DeletedVirtualProtectedDestructor() = delete; };
struct DeletedVirtualPrivateDestructor { private: virtual ~DeletedVirtualPrivateDestructor() = delete; };
int main()
{
test_is_destructible<A>();
@@ -72,10 +90,30 @@ int main()
test_is_destructible<char[3]>();
test_is_destructible<bit_zero>();
test_is_destructible<int[3]>();
test_is_destructible<ProtectedAbstract>();
test_is_destructible<PublicAbstract>();
test_is_destructible<PrivateAbstract>();
test_is_destructible<PublicDestructor>();
test_is_destructible<VirtualPublicDestructor>();
test_is_destructible<PurePublicDestructor>();
test_is_not_destructible<int[]>();
test_is_not_destructible<void>();
test_is_not_destructible<Abstract>();
test_is_not_destructible<ProtectedDestructor>();
test_is_not_destructible<PrivateDestructor>();
test_is_not_destructible<VirtualProtectedDestructor>();
test_is_not_destructible<VirtualPrivateDestructor>();
test_is_not_destructible<PureProtectedDestructor>();
test_is_not_destructible<PurePrivateDestructor>();
test_is_not_destructible<DeletedPublicDestructor>();
test_is_not_destructible<DeletedProtectedDestructor>();
test_is_not_destructible<DeletedPrivateDestructor>();
// test_is_not_destructible<DeletedVirtualPublicDestructor>(); // currently fails due to clang bug #20268
test_is_not_destructible<DeletedVirtualProtectedDestructor>();
test_is_not_destructible<DeletedVirtualPrivateDestructor>();
#if __has_feature(cxx_access_control_sfinae)
test_is_not_destructible<NotEmpty>();
#endif

View File

@@ -49,7 +49,12 @@ struct bit_zero
class Abstract
{
virtual ~Abstract() = 0;
virtual void foo() = 0;
};
class AbstractDestructor
{
virtual ~AbstractDestructor() = 0;
};
struct A
@@ -60,7 +65,7 @@ struct A
int main()
{
test_has_not_nothrow_destructor<void>();
test_has_not_nothrow_destructor<Abstract>();
test_has_not_nothrow_destructor<AbstractDestructor>();
test_has_not_nothrow_destructor<NotEmpty>();
#if __has_feature(cxx_noexcept)
@@ -79,6 +84,7 @@ int main()
test_is_nothrow_destructible<const int*>();
test_is_nothrow_destructible<char[3]>();
test_is_nothrow_destructible<char[3]>();
test_is_nothrow_destructible<Abstract>();
#if __has_feature(cxx_noexcept)
test_is_nothrow_destructible<bit_zero>();
#endif

View File

@@ -49,7 +49,12 @@ struct bit_zero
class Abstract
{
virtual ~Abstract() = 0;
virtual void foo() = 0;
};
class AbstractDestructor
{
virtual ~AbstractDestructor() = 0;
};
struct A
@@ -61,9 +66,10 @@ int main()
{
test_has_not_trivial_destructor<void>();
test_has_not_trivial_destructor<A>();
test_has_not_trivial_destructor<Abstract>();
test_has_not_trivial_destructor<AbstractDestructor>();
test_has_not_trivial_destructor<NotEmpty>();
test_is_trivially_destructible<Abstract>();
test_is_trivially_destructible<int&>();
test_is_trivially_destructible<Union>();
test_is_trivially_destructible<Empty>();