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