libs/histogram/test/axis_option_test.cpp

   1 // Copyright 2018 Hans Dembinski
   2 //
   3 // Distributed under the Boost Software License, Version 1.0.
   4 // (See accompanying file LICENSE_1_0.txt
   5 // or copy at http://www.boost.org/LICENSE_1_0.txt)
   6
   7 #include <boost/core/lightweight_test.hpp>
   8 #include <boost/histogram/axis/option.hpp>
   9 #include <iostream>
  10
  11 using namespace boost::histogram::axis;
  12
  13 template <unsigned N, unsigned M>
  14 bool operator==(option::bitset<N>, option::bitset<M>) {
  15   return N == M;
  16 }
  17
  18 template <unsigned N>
  19 std::ostream& operator<<(std::ostream& os, option::bitset<N>) {
  20   os << "underflow " << static_cast<bool>(N & option::underflow) << " "
  21      << "overflow " << static_cast<bool>(N & option::overflow) << " "
  22      << "circular " << static_cast<bool>(N & option::circular) << " "
  23      << "growth " << static_cast<bool>(N & option::growth);
  24   return os;
  25 }
  26
  27 int main() {
  28   using namespace option;
  29   using uoflow = decltype(underflow | overflow);
  30   constexpr auto uoflow_growth = uoflow{} | growth;
  31
  32   BOOST_TEST_EQ(uoflow::value, underflow | overflow);
  33   BOOST_TEST_EQ(underflow | overflow, overflow | underflow);
  34
  35   BOOST_TEST(underflow.test(underflow));
  36   BOOST_TEST_NOT(underflow.test(overflow));
  37   BOOST_TEST_NOT(underflow.test(underflow | overflow));
  38   BOOST_TEST(uoflow::test(underflow));
  39   BOOST_TEST(uoflow::test(overflow));
  40   BOOST_TEST_NOT(uoflow::test(circular));
  41   BOOST_TEST_NOT(uoflow::test(growth));
  42   BOOST_TEST(uoflow_growth.test(underflow));
  43   BOOST_TEST(uoflow_growth.test(overflow));
  44   BOOST_TEST(uoflow_growth.test(growth));
  45   BOOST_TEST_NOT(uoflow_growth.test(circular));
  46
  47   BOOST_TEST_EQ(uoflow_growth & uoflow_growth, uoflow_growth);
  48   BOOST_TEST_EQ(uoflow_growth & growth, growth);
  49   BOOST_TEST_EQ(uoflow_growth & uoflow{}, uoflow::value);
  50
  51   BOOST_TEST_EQ(uoflow_growth - growth, uoflow{});
  52   BOOST_TEST_EQ(uoflow_growth - uoflow{}, growth);
  53   BOOST_TEST_EQ(uoflow_growth - underflow, growth | overflow);
  54
  55   return boost::report_errors();
  56 }