| /*============================================================================= |
| Copyright (c) 1999-2003 Jaakko Jarvi |
| Copyright (c) 2001-2006 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)); |
| } |