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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.
//
//===----------------------------------------------------------------------===//
// UNSUPPORTED: c++98, c++03, c++11, c++14
// <type_traits>
// template <class T> struct is_aggregate;
// template <class T> constexpr bool is_aggregate_v = is_aggregate<T>::value;
#include <type_traits>
#include "test_macros.h"
template <class T>
void test_true()
{
#if !defined(_LIBCPP_HAS_NO_IS_AGGREGATE)
static_assert( std::is_aggregate<T>::value, "");
static_assert( std::is_aggregate<const T>::value, "");
static_assert( std::is_aggregate<volatile T>::value, "");
static_assert( std::is_aggregate<const volatile T>::value, "");
static_assert( std::is_aggregate_v<T>, "");
static_assert( std::is_aggregate_v<const T>, "");
static_assert( std::is_aggregate_v<volatile T>, "");
static_assert( std::is_aggregate_v<const volatile T>, "");
#endif
}
template <class T>
void test_false()
{
#if !defined(_LIBCPP_HAS_NO_IS_AGGREGATE)
static_assert(!std::is_aggregate<T>::value, "");
static_assert(!std::is_aggregate<const T>::value, "");
static_assert(!std::is_aggregate<volatile T>::value, "");
static_assert(!std::is_aggregate<const volatile T>::value, "");
static_assert(!std::is_aggregate_v<T>, "");
static_assert(!std::is_aggregate_v<const T>, "");
static_assert(!std::is_aggregate_v<volatile T>, "");
static_assert(!std::is_aggregate_v<const volatile T>, "");
#endif
}
struct Aggregate {};
struct HasCons { HasCons(int); };
struct HasPriv {
void PreventUnusedPrivateMemberWarning();
private:
int x;
};
struct Union { int x; void* y; };
int main ()
{
{
test_false<void>();
test_false<int>();
test_false<void*>();
test_false<void()>();
test_false<void() const>();
test_false<void(Aggregate::*)(int) const>();
test_false<Aggregate&>();
test_false<HasCons>();
test_false<HasPriv>();
}
{
test_true<Aggregate>();
test_true<Aggregate[]>();
test_true<Aggregate[42][101]>();
test_true<Union>();
}
}
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