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- /*=============================================================================
- Copyright (c) 2006-2007 Tobias Schwinger
-
- Use modification and distribution are subject to 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/fusion/functional/adapter/unfused.hpp>
- #include <boost/detail/lightweight_test.hpp>
- #include <boost/noncopyable.hpp>
- #include <boost/mpl/empty_base.hpp>
- #include <boost/mpl/identity.hpp>
- #include <boost/utility/result_of.hpp>
- #include <boost/fusion/sequence/intrinsic/empty.hpp>
- #include <boost/fusion/algorithm/iteration/fold.hpp>
- namespace fusion = boost::fusion;
- namespace mpl = boost::mpl;
- using boost::noncopyable;
- template <class Base = boost::mpl::empty_base>
- struct test_func
- : Base
- {
- template <typename Sig>
- struct result;
- template <class Self, class Seq>
- struct result< Self(Seq) >
- : mpl::identity<long>
- { };
- template <typename Seq>
- long operator()(Seq const & seq) const
- {
- long state = 0;
- return fusion::fold(seq, state, fold_op());
- }
- template <typename Seq>
- long operator()(Seq const & seq)
- {
- long state = 100;
- return fusion::fold(seq, state, fold_op());
- }
- private:
- struct fold_op
- {
- typedef long result_type;
- template <typename T>
- long operator()(long value, T & elem) const
- {
- elem += sizeof(T);
- return value + elem;
- }
- };
- };
- void result_type_tests()
- {
- using boost::is_same;
- typedef fusion::unfused< test_func<> > t;
- BOOST_TEST(( is_same< boost::result_of< t () >::type, long >::value ));
- BOOST_TEST(( is_same< boost::result_of< t (int &) >::type, long >::value ));
- }
- int main()
- {
- result_type_tests();
- test_func<noncopyable> f;
- fusion::unfused< test_func<> > unfused_func;
- fusion::unfused< test_func<noncopyable> & > unfused_func_ref(f);
- fusion::unfused< test_func<> const > unfused_func_c;
- fusion::unfused< test_func<> > const unfused_func_c2;
- fusion::unfused< test_func<noncopyable> const & > unfused_func_c_ref(f);
- BOOST_TEST(unfused_func() == 100);
- BOOST_TEST(unfused_func_ref() == 100);
- BOOST_TEST(unfused_func_c() == 0);
- BOOST_TEST(unfused_func_c2() == 0);
- BOOST_TEST(unfused_func_c_ref() == 0);
- long lv1 = 2; int lv2 = 3l; char lv3 = '\007';
- long expected;
- expected = lv1+sizeof(lv1) + lv2+sizeof(lv2) + lv3+sizeof(lv3);
- BOOST_TEST(unfused_func(lv1,lv2,lv3) == 100 + expected);
- BOOST_TEST(lv1 == 2+1*sizeof(lv1) && lv2 == 3+1*sizeof(lv2) && lv3 == 7+1*sizeof(lv3));
- expected = lv1+sizeof(lv1) + lv2+sizeof(lv2) + lv3+sizeof(lv3);
- BOOST_TEST(unfused_func_ref(lv1,lv2,lv3) == 100 + expected);
- BOOST_TEST(lv1 == 2+2*sizeof(lv1) && lv2 == 3+2*sizeof(lv2) && lv3 == 7+2*sizeof(lv3));
- expected = lv1+sizeof(lv1) + lv2+sizeof(lv2) + lv3+sizeof(lv3);
- BOOST_TEST(unfused_func_c(lv1,lv2,lv3) == 0 + expected);
- BOOST_TEST(lv1 == 2+3*sizeof(lv1) && lv2 == 3+3*sizeof(lv2) && lv3 == 7+3*sizeof(lv3));
- expected = lv1+sizeof(lv1) + lv2+sizeof(lv2) + lv3+sizeof(lv3);
- BOOST_TEST(unfused_func_c2(lv1,lv2,lv3) == 0 + expected);
- BOOST_TEST(lv1 == 2+4*sizeof(lv1) && lv2 == 3+4*sizeof(lv2) && lv3 == 7+4*sizeof(lv3));
- expected = lv1+sizeof(lv1) + lv2+sizeof(lv2) + lv3+sizeof(lv3);
- BOOST_TEST(unfused_func_c_ref(lv1,lv2,lv3) == 0 + expected);
- BOOST_TEST(lv1 == 2+5*sizeof(lv1) && lv2 == 3+5*sizeof(lv2) && lv3 == 7+5*sizeof(lv3));
- return boost::report_errors();
- }
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