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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
// <any>
// any() noexcept;
#include <any>
#include <type_traits>
#include <cassert>
#include "test_macros.h"
#include "any_helpers.h"
#include "count_new.hpp"
#if TEST_HAS_BUILTIN_IDENTIFIER(__has_constant_initializer)
// std::any must have a constexpr default constructor, but it's a non-literal
// type so we can't create a constexpr variable. This tests that we actually
// get 'constant initialization'.
std::any a;
static_assert(__has_constant_initializer(a),
"any must be constant initializable");
#endif
int main()
{
using std::any;
{
static_assert(
std::is_nothrow_default_constructible<any>::value
, "Must be default constructible"
);
}
{
DisableAllocationGuard g; ((void)g);
any const a;
assertEmpty(a);
}
}
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