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- // Copyright 2019 Hans Dembinski
- //
- // Distributed under 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/core/lightweight_test.hpp>
- #include <boost/core/lightweight_test_trait.hpp>
- #include <boost/histogram/detail/argument_traits.hpp>
- #include <boost/histogram/sample.hpp>
- #include <boost/histogram/weight.hpp>
- namespace dtl = boost::histogram::detail;
- int main() {
- using boost::histogram::sample;
- using boost::histogram::weight;
- // is_weight
- {
- struct A {};
- using B = int;
- BOOST_TEST_NOT(dtl::is_weight<A>::value);
- BOOST_TEST_NOT(dtl::is_weight<B>::value);
- BOOST_TEST_NOT(dtl::is_weight<decltype(sample(0))>::value);
- BOOST_TEST(dtl::is_weight<decltype(weight(0))>::value);
- }
- // is_sample
- {
- struct A {};
- using B = int;
- BOOST_TEST_NOT(dtl::is_sample<A>::value);
- BOOST_TEST_NOT(dtl::is_sample<B>::value);
- BOOST_TEST_NOT(dtl::is_sample<decltype(weight(0))>::value);
- BOOST_TEST(dtl::is_sample<decltype(sample(0))>::value);
- BOOST_TEST(dtl::is_sample<decltype(sample(0, A{}))>::value);
- }
- using T1 = dtl::argument_traits<int>;
- using E1 = dtl::argument_traits_holder<1, 0, -1, -1, std::tuple<>>;
- BOOST_TEST_TRAIT_SAME(T1, E1);
- using T2 = dtl::argument_traits<int, int>;
- using E2 = dtl::argument_traits_holder<2, 0, -1, -1, std::tuple<>>;
- BOOST_TEST_TRAIT_SAME(T2, E2);
- using T3 = dtl::argument_traits<decltype(weight(0)), int, int>;
- using E3 = dtl::argument_traits_holder<2, 1, 0, -1, std::tuple<>>;
- BOOST_TEST_TRAIT_SAME(T3, E3);
- using T4 = dtl::argument_traits<decltype(weight(0)), int, int, decltype(sample(0))>;
- using E4 = dtl::argument_traits_holder<2, 1, 0, 3, std::tuple<int>>;
- BOOST_TEST_TRAIT_SAME(T4, E4);
- using T5 = dtl::argument_traits<int, decltype(sample(0, 0.0))>;
- using E5 = dtl::argument_traits_holder<1, 0, -1, 1, std::tuple<int, double>>;
- BOOST_TEST_TRAIT_SAME(T5, E5);
- return boost::report_errors();
- }
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