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//===----------------------------------------------------------------------===//
//
// 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
// template <class T, class... Args>
// struct is_nothrow_constructible;
#include <type_traits>
#include "test_macros.h"
template <class T>
void test_is_nothrow_constructible()
{
static_assert(( std::is_nothrow_constructible<T>::value), "");
#if TEST_STD_VER > 14
static_assert(( std::is_nothrow_constructible_v<T>), "");
#endif
}
template <class T, class A0>
void test_is_nothrow_constructible()
{
static_assert(( std::is_nothrow_constructible<T, A0>::value), "");
#if TEST_STD_VER > 14
static_assert(( std::is_nothrow_constructible_v<T, A0>), "");
#endif
}
template <class T>
void test_is_not_nothrow_constructible()
{
static_assert((!std::is_nothrow_constructible<T>::value), "");
#if TEST_STD_VER > 14
static_assert((!std::is_nothrow_constructible_v<T>), "");
#endif
}
template <class T, class A0>
void test_is_not_nothrow_constructible()
{
static_assert((!std::is_nothrow_constructible<T, A0>::value), "");
#if TEST_STD_VER > 14
static_assert((!std::is_nothrow_constructible_v<T, A0>), "");
#endif
}
template <class T, class A0, class A1>
void test_is_not_nothrow_constructible()
{
static_assert((!std::is_nothrow_constructible<T, A0, A1>::value), "");
#if TEST_STD_VER > 14
static_assert((!std::is_nothrow_constructible_v<T, A0, A1>), "");
#endif
}
class Empty
{
};
class NotEmpty
{
virtual ~NotEmpty();
};
union Union {};
struct bit_zero
{
int : 0;
};
class Abstract
{
virtual ~Abstract() = 0;
};
struct A
{
A(const A&);
};
struct C
{
C(C&); // not const
void operator=(C&); // not const
};
#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
struct Tuple {
Tuple(Empty&&) noexcept {}
};
#endif
int main()
{
test_is_nothrow_constructible<int> ();
test_is_nothrow_constructible<int, const int&> ();
test_is_nothrow_constructible<Empty> ();
test_is_nothrow_constructible<Empty, const Empty&> ();
#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
test_is_nothrow_constructible<Tuple &&, Empty> (); // See bug #19616.
#endif
test_is_not_nothrow_constructible<A, int> ();
test_is_not_nothrow_constructible<A, int, double> ();
test_is_not_nothrow_constructible<A> ();
test_is_not_nothrow_constructible<C> ();
#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
static_assert(!std::is_constructible<Tuple&, Empty>::value, "");
test_is_not_nothrow_constructible<Tuple &, Empty> (); // See bug #19616.
#endif
}
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