1// Boost.TypeErasure library
2//
3// Copyright 2011 Steven Watanabe
4//
5// Distributed under the Boost Software License Version 1.0. (See
6// accompanying file LICENSE_1_0.txt or copy at
7// http://www.boost.org/LICENSE_1_0.txt)
8//
9// $Id$
10
11#include <boost/type_erasure/any.hpp>
12#include <boost/type_erasure/is_empty.hpp>
13#include <boost/type_erasure/builtin.hpp>
14#include <boost/mpl/vector.hpp>
15
16#define BOOST_TEST_MAIN
17#include <boost/test/unit_test.hpp>
18
19using namespace boost::type_erasure;
20
21BOOST_AUTO_TEST_CASE(test_non_relaxed)
22{
23 typedef copy_constructible<> test_concept;
24 any<test_concept> x(2);
25 BOOST_CHECK(!is_empty(x));
26}
27
28BOOST_AUTO_TEST_CASE(test_relaxed)
29{
30 typedef boost::mpl::vector<copy_constructible<>, relaxed> test_concept;
31 any<test_concept> x(2);
32 BOOST_CHECK(!is_empty(x));
33 any<test_concept> y;
34 BOOST_CHECK(is_empty(y));
35}
36

source code of boost/libs/type_erasure/test/test_is_empty.cpp