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#include <boost/core/lightweight_test.hpp>
#include <boost/histogram.hpp>
#include <vector>
#include "throw_exception.hpp"
namespace bh = boost::histogram;
struct empty {
int index(double) { return 0; }
int size() const { return 0; }
};
int main() {
{
auto h =
bh::make_histogram_with(std::vector<int>(), bh::axis::integer<>(0, 2), empty());
auto ind1 = bh::indexed(h, bh::coverage::all);
BOOST_TEST_EQ(std::distance(ind1.begin(), ind1.end()), 0);
auto ind2 = bh::indexed(h, bh::coverage::inner);
BOOST_TEST_EQ(std::distance(ind2.begin(), ind2.end()), 0);
}
{
auto h = bh::make_histogram_with(std::vector<int>(), bh::axis::integer<>(0, 2),
bh::axis::integer<>(0, 1));
auto ind1 = bh::indexed(h, bh::coverage::all);
BOOST_TEST_EQ(std::distance(ind1.begin(), ind1.end()), 12);
auto ind2 = bh::indexed(h, bh::coverage::inner);
BOOST_TEST_EQ(std::distance(ind2.begin(), ind2.end()), 2);
}
{
auto h = bh::make_histogram_with(std::vector<int>(), bh::axis::integer<>(0, 2),
bh::axis::integer<>(0, 0));
auto ind1 = bh::indexed(h, bh::coverage::all);
BOOST_TEST_EQ(std::distance(ind1.begin(), ind1.end()), 8);
auto ind2 = bh::indexed(h, bh::coverage::inner);
BOOST_TEST_EQ(std::distance(ind2.begin(), ind2.end()), 0);
}
return boost::report_errors();
}
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