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tests covering defect in fusion::fold loop unrolling picked up by Christian Holmquist

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[SVN r37984]
This commit is contained in:
Dan Marsden
2007-06-13 20:30:30 +00:00
parent a2046a5aa6
commit 8e93460511
1 changed files with 22 additions and 0 deletions
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22
test/algorithm/fold.cpp
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@ -10,6 +10,7 @@
#include <boost/fusion/sequence/adapted/mpl.hpp> #include <boost/fusion/sequence/adapted/mpl.hpp>
#include <boost/fusion/sequence/io/out.hpp> #include <boost/fusion/sequence/io/out.hpp>
#include <boost/fusion/sequence/intrinsic/at.hpp> #include <boost/fusion/sequence/intrinsic/at.hpp>
#include <boost/fusion/sequence/generation/make_vector.hpp>
#include <boost/fusion/algorithm/iteration/fold.hpp> #include <boost/fusion/algorithm/iteration/fold.hpp>
#include <boost/fusion/algorithm/iteration/accumulate.hpp> #include <boost/fusion/algorithm/iteration/accumulate.hpp>
#include <boost/type_traits/is_same.hpp> #include <boost/type_traits/is_same.hpp>
@ -18,6 +19,8 @@
#include <boost/mpl/int.hpp> #include <boost/mpl/int.hpp>
#include <boost/mpl/vector.hpp> #include <boost/mpl/vector.hpp>
#include <string>
using boost::mpl::if_; using boost::mpl::if_;
using boost::mpl::int_; using boost::mpl::int_;
using boost::is_same; using boost::is_same;
@ -73,6 +76,16 @@ struct count_ints
} }
}; };
struct appender
{
typedef std::string result_type;
std::string operator()(char c, std::string const& str) const
{
return str + c;
}
};
int int
main() main()
{ {
@ -112,6 +125,11 @@ main()
BOOST_TEST(n == 3); BOOST_TEST(n == 3);
} }
{
BOOST_TEST(fusion::fold(fusion::make_vector('a','b','c','d','e'), std::string(""), appender())
== "abcde");
}
{ {
typedef vector<int, char, int, double> vector_type; typedef vector<int, char, int, double> vector_type;
vector_type v(12345, 'x', 678910, 3.36); vector_type v(12345, 'x', 678910, 3.36);
@ -145,6 +163,10 @@ main()
BOOST_TEST(n == 3); BOOST_TEST(n == 3);
} }
{
BOOST_TEST(fusion::accumulate(fusion::make_vector('a','b','c','d','e'), std::string(""), appender())
== "abcde");
}
return boost::report_errors(); return boost::report_errors();
} }