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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::has_value() noexcept
#include <any>
#include <cassert>
#include "any_helpers.h"
int main()
{
using std::any;
// noexcept test
{
any a;
static_assert(noexcept(a.has_value()), "any::has_value() must be noexcept");
}
// empty
{
any a;
assert(!a.has_value());
a.reset();
assert(!a.has_value());
a = 42;
assert(a.has_value());
}
// small object
{
small const s(1);
any a(s);
assert(a.has_value());
a.reset();
assert(!a.has_value());
a = s;
assert(a.has_value());
}
// large object
{
large const l(1);
any a(l);
assert(a.has_value());
a.reset();
assert(!a.has_value());
a = l;
assert(a.has_value());
}
}
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