pre_old_post_except.cpp 1.4 KB

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  1. // Copyright (C) 2008-2018 Lorenzo Caminiti
  2. // Distributed under the Boost Software License, Version 1.0 (see accompanying
  3. // file LICENSE_1_0.txt or a copy at http://www.boost.org/LICENSE_1_0.txt).
  4. // See: http://www.boost.org/doc/libs/release/libs/contract/doc/html/index.html
  5. // Test specifying pre, old, post, and except (same if not free func).
  6. #include "../detail/oteststream.hpp"
  7. #include <boost/contract/function.hpp>
  8. #include <boost/contract/check.hpp>
  9. #include <boost/detail/lightweight_test.hpp>
  10. #include <sstream>
  11. boost::contract::test::detail::oteststream out;
  12. void f() {
  13. boost::contract::check c = boost::contract::function()
  14. .precondition([] { out << "f::pre" << std::endl; })
  15. .old([] { out << "f::old" << std::endl; })
  16. .postcondition([] { out << "f::post" << std::endl; })
  17. .except([] { out << "f::except" << std::endl; })
  18. ;
  19. out << "f::body" << std::endl;
  20. }
  21. int main() {
  22. std::ostringstream ok;
  23. out.str("");
  24. f();
  25. ok.str("");
  26. ok
  27. #ifndef BOOST_CONTRACT_NO_PRECONDITIONS
  28. << "f::pre" << std::endl
  29. #endif
  30. #ifndef BOOST_CONTRACT_NO_OLDS
  31. << "f::old" << std::endl
  32. #endif
  33. << "f::body" << std::endl
  34. #ifndef BOOST_CONTRACT_NO_POSTCONDITIONS
  35. << "f::post" << std::endl
  36. #endif
  37. ;
  38. BOOST_TEST(out.eq(ok.str()));
  39. return boost::report_errors();
  40. }