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54 lines
1.5 KiB
C++
54 lines
1.5 KiB
C++
/*=============================================================================
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Copyright (C) 1999-2003 Jaakko Järvi
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Copyright (c) 2003 Joel de Guzman
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Use, modification and distribution is subject to the Boost Software
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License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
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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/spirit/fusion/sequence/tuple.hpp>
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#include <boost/spirit/fusion/sequence/get.hpp>
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namespace
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{
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// classes with different kinds of conversions
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class AA {};
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class BB : public AA {};
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struct CC { CC() {} CC(const BB&) {} };
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struct DD { operator CC() const { return CC(); }; };
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}
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int
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main()
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{
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using namespace boost::fusion;
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tuple<int, char> t1(4, 'a');
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tuple<int, char> t2(5, 'b');
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t2 = t1;
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BOOST_TEST(get<0>(t1) == get<0>(t2));
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BOOST_TEST(get<1>(t1) == get<1>(t2));
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tuple<long, std::string> t3(2, "a");
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t3 = t1;
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BOOST_TEST((double)get<0>(t1) == get<0>(t3));
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BOOST_TEST(get<1>(t1) == get<1>(t3)[0]);
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// testing copy and assignment with implicit conversions
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// between elements testing tie
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tuple<char, BB*, BB, DD> t;
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tuple<int, AA*, CC, CC> a(t);
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a = t;
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int i; char c; double d;
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tuple<int&, char&, double&>(i, c, d) = tuple<int, char, double>(1, 'a', 5.5);
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BOOST_TEST(i==1);
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BOOST_TEST(c=='a');
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BOOST_TEST(d>5.4 && d<5.6);
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return boost::report_errors();
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}
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