cxx/test/utilities/meta/meta.unary/meta.unary.prop/is_trivially_copy_assignable.pass.cpp
2013-07-04 00:10:01 +00:00

72 lines
1.6 KiB
C++

//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// type_traits
// is_trivially_copy_assignable
#include <type_traits>
template <class T>
void test_has_trivially_copy_assignable()
{
static_assert( std::is_trivially_copy_assignable<T>::value, "");
}
template <class T>
void test_has_not_trivially_copy_assignable()
{
static_assert(!std::is_trivially_copy_assignable<T>::value, "");
}
class Empty
{
};
class NotEmpty
{
virtual ~NotEmpty();
};
union Union {};
struct bit_zero
{
int : 0;
};
class Abstract
{
virtual ~Abstract() = 0;
};
struct A
{
A& operator=(const A&);
};
int main()
{
test_has_trivially_copy_assignable<int&>();
test_has_trivially_copy_assignable<Union>();
test_has_trivially_copy_assignable<Empty>();
test_has_trivially_copy_assignable<int>();
test_has_trivially_copy_assignable<double>();
test_has_trivially_copy_assignable<int*>();
test_has_trivially_copy_assignable<const int*>();
test_has_trivially_copy_assignable<bit_zero>();
test_has_not_trivially_copy_assignable<void>();
test_has_not_trivially_copy_assignable<A>();
test_has_not_trivially_copy_assignable<NotEmpty>();
test_has_not_trivially_copy_assignable<Abstract>();
test_has_not_trivially_copy_assignable<const Empty>();
}