regression_real_policy_sign.cpp 1.3 KB

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  1. // Copyright (c) 2013 Alex Korobka
  2. //
  3. // Distributed under the Boost Software License, Version 1.0. (See accompanying
  4. // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
  5. // This test checks whether #8970 was fixed
  6. #include <boost/config/warning_disable.hpp>
  7. #include <boost/detail/lightweight_test.hpp>
  8. #include <iostream>
  9. #include <boost/spirit/include/karma.hpp>
  10. #include "test.hpp"
  11. using namespace spirit_test;
  12. using namespace boost::spirit;
  13. template <typename Num>
  14. struct signed_policy : karma::real_policies<Num>
  15. {
  16. static bool force_sign(Num /*n*/) { return true; }
  17. };
  18. int main()
  19. {
  20. karma::real_generator<double, signed_policy<double> > const force_sign_double =
  21. karma::real_generator<double, signed_policy<double> >();
  22. BOOST_TEST(test("-0.123", force_sign_double, -0.123));
  23. BOOST_TEST(test("-1.123", force_sign_double, -1.123));
  24. BOOST_TEST(test("0.0", force_sign_double, 0));
  25. BOOST_TEST(test("+0.123", force_sign_double, 0.123));
  26. BOOST_TEST(test("+1.123", force_sign_double, 1.123));
  27. using karma::double_;
  28. BOOST_TEST(test("-0.123", double_, -0.123));
  29. BOOST_TEST(test("-1.123", double_, -1.123));
  30. BOOST_TEST(test("0.0", double_, 0));
  31. BOOST_TEST(test("0.123", double_, 0.123));
  32. BOOST_TEST(test("1.123", double_, 1.123));
  33. return boost::report_errors();
  34. }