| /*============================================================================= |
| Copyright (c) 2005-2007 Dan Marsden |
| Copyright (c) 2005-2007 Joel de Guzman |
| Copyright (c) 2015 John Fletcher |
| |
| 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 <stdexcept> |
| #include <string> |
| |
| #include <boost/phoenix/core.hpp> |
| #include <boost/phoenix/operator.hpp> |
| #include <boost/phoenix/statement.hpp> |
| #include <boost/phoenix/scope/local_variable.hpp> |
| #include <boost/phoenix/bind/bind_member_function.hpp> |
| |
| #include <boost/detail/lightweight_test.hpp> |
| |
| struct base_exception : std::exception |
| { |
| explicit |
| base_exception(char const *msg) |
| : _sliced(true), _what(msg) |
| {} |
| |
| base_exception(base_exception const &other) |
| : _sliced(true), _what(other._what) |
| { |
| } |
| |
| char const *what() const BOOST_NOEXCEPT_OR_NOTHROW |
| { |
| if (_sliced) { return "sliced ..."; } |
| return _what; |
| } |
| |
| bool _sliced; |
| char const *_what; |
| }; |
| |
| struct extended_exception : base_exception |
| { |
| explicit |
| extended_exception(char const *msg) |
| : base_exception(msg) |
| { |
| // mark as not sliced |
| _sliced = false; |
| } |
| |
| extended_exception(extended_exception const &other) |
| : base_exception(other) |
| { |
| // mark as not sliced |
| _sliced = false; |
| } |
| }; |
| |
| int main() |
| { |
| using boost::phoenix::throw_; |
| using boost::phoenix::try_; |
| using boost::phoenix::ref; |
| using boost::phoenix::local_names::_e; |
| using boost::phoenix::bind; |
| using std::exception; |
| using std::string; |
| using std::runtime_error; |
| namespace phx = boost::phoenix; |
| |
| { |
| try |
| { |
| throw_(runtime_error("error"))(); |
| BOOST_ERROR("exception should have been thrown"); |
| } |
| catch(runtime_error& err) |
| { |
| BOOST_TEST(err.what() == string("error")); |
| } |
| } |
| |
| { |
| try |
| { |
| try |
| { |
| throw runtime_error("error"); |
| } |
| catch(exception&) |
| { |
| throw_()(); |
| BOOST_ERROR("exception should have been rethrown"); |
| } |
| } |
| catch(exception& err) |
| { |
| BOOST_TEST(err.what() == string("error")); |
| } |
| } |
| |
| { |
| bool caught_exception = false; |
| |
| try_ |
| [ throw_(runtime_error("error")) ] |
| .catch_<exception>(_e) // captured but unused |
| [ |
| ref(caught_exception) = true |
| ](); |
| |
| BOOST_TEST(caught_exception); |
| } |
| |
| { |
| bool caught_exception = false; |
| string what; |
| |
| try_ |
| [ throw_(runtime_error("error")) ] |
| .catch_<exception>(_e) |
| [ |
| ref(caught_exception) = true |
| // ambiguous with std::ref |
| , phx::ref(what) = phx::bind(&exception::what, _e) |
| ](); |
| |
| BOOST_TEST(caught_exception); |
| BOOST_TEST(what == string("error")); |
| } |
| |
| { |
| bool caught_exception = false; |
| string what; |
| |
| try_ |
| [ throw_(extended_exception("error")) ] |
| .catch_<base_exception>(_e) // A thrown object should not be copied due to slicing. |
| [ |
| ref(caught_exception) = true |
| // ambiguous with std::ref |
| , phx::ref(what) = phx::bind(&exception::what, _e) |
| ](); |
| |
| BOOST_TEST(caught_exception); |
| BOOST_TEST(what == string("error")); |
| } |
| |
| { |
| bool caught_exception = false; |
| |
| try_ |
| [ throw_(runtime_error("error")) ] |
| .catch_all |
| [ ref(caught_exception) = true ](); |
| BOOST_TEST(caught_exception); |
| } |
| |
| { |
| bool caught_correct_exception = false; |
| string what; |
| |
| try_ |
| [ throw_(runtime_error("error")) ] |
| .catch_<string>() |
| [ ref(caught_correct_exception) = false ] |
| .catch_<exception>(_e) |
| [ |
| ref(caught_correct_exception) = true |
| // ambiguous with std::ref |
| , phx::ref(what) = phx::bind(&exception::what, _e) |
| ](); |
| |
| BOOST_TEST(caught_correct_exception); |
| BOOST_TEST(what == string("error")); |
| } |
| |
| { |
| bool caught_correct_exception = false; |
| |
| try_ |
| [ throw_(runtime_error("error")) ] |
| .catch_<string>() |
| [ ref(caught_correct_exception) = false ] |
| .catch_all |
| [ ref(caught_correct_exception) = true](); |
| |
| BOOST_TEST(caught_correct_exception); |
| } |
| |
| return boost::report_errors(); |
| } |