c52f43e72d
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@111767 91177308-0d34-0410-b5e6-96231b3b80d8
78 lines
1.8 KiB
C++
78 lines
1.8 KiB
C++
//===----------------------------------------------------------------------===//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file is distributed under the University of Illinois Open Source
|
|
// License. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
// type_traits
|
|
|
|
// has_trivial_copy_assign
|
|
|
|
#include <type_traits>
|
|
|
|
template <class T>
|
|
void test_has_trivial_assign()
|
|
{
|
|
static_assert( std::has_trivial_copy_assign<T>::value, "");
|
|
static_assert(!std::has_trivial_copy_assign<const T>::value, "");
|
|
static_assert( std::has_trivial_copy_assign<volatile T>::value, "");
|
|
static_assert(!std::has_trivial_copy_assign<const volatile T>::value, "");
|
|
}
|
|
|
|
template <class T>
|
|
void test_has_not_trivial_assign()
|
|
{
|
|
static_assert(!std::has_trivial_copy_assign<T>::value, "");
|
|
static_assert(!std::has_trivial_copy_assign<const T>::value, "");
|
|
static_assert(!std::has_trivial_copy_assign<volatile T>::value, "");
|
|
static_assert(!std::has_trivial_copy_assign<const volatile 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_not_trivial_assign<void>();
|
|
test_has_not_trivial_assign<A>();
|
|
test_has_not_trivial_assign<int&>();
|
|
|
|
test_has_trivial_assign<Union>();
|
|
test_has_trivial_assign<Abstract>();
|
|
test_has_trivial_assign<Empty>();
|
|
test_has_trivial_assign<int>();
|
|
test_has_trivial_assign<double>();
|
|
test_has_trivial_assign<int*>();
|
|
test_has_trivial_assign<const int*>();
|
|
test_has_trivial_assign<char[3]>();
|
|
test_has_trivial_assign<char[3]>();
|
|
test_has_trivial_assign<NotEmpty>();
|
|
test_has_trivial_assign<bit_zero>();
|
|
}
|