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- /*=============================================================================
- Copyright (c) 1999-2003 Jaakko Jarvi
- Copyright (c) 2001-2011 Joel de Guzman
- Distributed under the Boost Software License, Version 1.0. (See accompanying
- file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
- ==============================================================================*/
- #include <boost/detail/lightweight_test.hpp>
- #include <boost/fusion/sequence/intrinsic/at.hpp>
- #if !defined(FUSION_AT)
- #define FUSION_AT at_c
- #endif
- namespace test_detail
- {
- // no public default constructor
- class foo
- {
- public:
- explicit foo(int v) : val(v) {}
- bool operator==(const foo& other) const
- {
- return val == other.val;
- }
- private:
- foo() {}
- int val;
- };
- }
- void
- test()
- {
- using namespace boost::fusion;
- using namespace test_detail;
- FUSION_SEQUENCE<int, float, bool, foo> t1(5, 12.2f, true, foo(4));
- FUSION_AT<0>(t1) = 6;
- FUSION_AT<1>(t1) = 2.2f;
- FUSION_AT<2>(t1) = false;
- FUSION_AT<3>(t1) = foo(5);
- BOOST_TEST(FUSION_AT<0>(t1) == 6);
- BOOST_TEST(FUSION_AT<1>(t1) > 2.1f && FUSION_AT<1>(t1) < 2.3f);
- BOOST_TEST(FUSION_AT<2>(t1) == false);
- BOOST_TEST(FUSION_AT<3>(t1) == foo(5));
- }
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