//Copyright (c) 2006-2008 Emil Dotchevski and Reverge Studios, Inc. //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 #include #include typedef boost::error_info tag_int; struct error1: public std::exception { char const * what() const throw() { return "error1"; } }; struct error2: public std::exception, public boost::exception { char const * what() const throw() { return "error2"; } }; struct error3: public boost::exception { }; std::string get_diagnostic_information( std::exception const & x ) { return boost::diagnostic_information(x); } int main() { using namespace boost; try { error1 x; BOOST_TEST(x.what()==std::string("error1")); throw x; } catch( std::exception & x ) { std::string di=get_diagnostic_information(x); BOOST_TEST(di.find("type:")!=std::string::npos); BOOST_TEST(di.find("error1")!=std::string::npos); } catch( ... ) { BOOST_TEST(false); } try { error2 x; x << tag_int(42); BOOST_TEST(x.what()==std::string("error2")); throw x; } catch( std::exception & x ) { std::string di=get_diagnostic_information(x); BOOST_TEST(di.find("type:")!=std::string::npos); #ifndef BOOST_NO_RTTI BOOST_TEST(di.find("error2")!=std::string::npos); #endif BOOST_TEST(di.find("test_tag")!=std::string::npos); } catch( ... ) { BOOST_TEST(false); } try { error3 x; x << tag_int(1); throw x; } catch( boost::exception & x ) { std::string w1 = x.diagnostic_information(); x << tag_int(2); std::string w2 = x.diagnostic_information(); BOOST_TEST( w1!=w2 ); BOOST_TEST(w1.find("test_tag")!=std::string::npos); BOOST_TEST(w2.find("test_tag")!=std::string::npos); } catch( ... ) { BOOST_TEST(false); } return boost::report_errors(); }