Eric Fiselier 7175a07921 [libcxx] Add <experimental/any> v2.
Summary:
This patch adds the second revision of <experimental/any>. 
I've been working from the LFTS draft found at this link. https://rawgit.com/cplusplus/fundamentals-ts/v1/fundamentals-ts.html#any



Reviewers: danalbert, jroelofs, K-ballo, mclow.lists

Subscribers: cfe-commits

Differential Revision: http://reviews.llvm.org/D6762

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@243728 91177308-0d34-0410-b5e6-96231b3b80d8
2015-07-31 02:24:58 +00:00

65 lines
1.2 KiB
C++

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