histogram/test/meta_test.cpp
2017-11-10 20:01:55 +01:00

34 lines
995 B
C++

#include <boost/core/lightweight_test.hpp>
#include <boost/histogram/detail/meta.hpp>
#include <boost/mpl/equal.hpp>
#include <boost/mpl/int.hpp>
#include <boost/mpl/placeholders.hpp>
#include <boost/mpl/sort.hpp>
#include <boost/mpl/unique.hpp>
#include <boost/mpl/vector_c.hpp>
#include <boost/type_traits.hpp>
using namespace boost;
using namespace boost::mpl;
namespace bhd = boost::histogram::detail;
int main() {
typedef vector_c<int, 2, 1, 1, 3> numbers;
typedef vector_c<int, 1, 2, 3> expected;
using result = bhd::unique_sorted<numbers>;
BOOST_MPL_ASSERT((equal<result, expected, equal_to<_, _>>));
struct no_variance_method {
using value_type = int;
};
struct variance_method {
using value_type = int;
value_type variance(std::size_t) const;
};
BOOST_TEST_EQ(typename bhd::has_variance_support<no_variance_method>::type(), false);
BOOST_TEST_EQ(typename bhd::has_variance_support<variance_method>::type(), true);
return boost::report_errors();
}