// (C) Copyright Gennadiy Rozental 2003-2014. // 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) // See http://www.boost.org/libs/test for the library home page. #include <boost/test/prg_exec_monitor.hpp> #include <boost/test/execution_monitor.hpp> #include <boost/test/utils/basic_cstring/io.hpp> #include <iostream> struct my_exception1 { explicit my_exception1( int res_code ) : m_res_code( res_code ) {} int m_res_code; }; struct my_exception2 { explicit my_exception2( int res_code ) : m_res_code( res_code ) {} int m_res_code; }; namespace { class dangerous_call { public: dangerous_call( int argc ) : m_argc( argc ) {} int operator()() { // here we perform some operation under monitoring that could throw my_exception if( m_argc < 2 ) throw my_exception1( 23 ); if( m_argc > 3 ) throw my_exception2( 45 ); else if( m_argc > 2 ) throw "too many args"; return 1; } private: // Data members int m_argc; }; void translate_my_exception1( my_exception1 const& ex ) { std::cout << "Caught my_exception1(" << ex.m_res_code << ")"<< std::endl; } void translate_my_exception2( my_exception2 const& ex ) { std::cout << "Caught my_exception2(" << ex.m_res_code << ")"<< std::endl; } int generate_fpe() { double d = 0.0; d = 1/d; return 0; } int generate_fpe2() { double d = 1e158; d = d*d; return 0; } int generate_fpe3() { double d = 1.1e-308; d = 1/d; return 0; } int generate_int_div_0() { int i = 0; return 1/i; } int generate_sigfault() { int* p = 0; return *p; } } // local_namespace int cpp_main( int argc , char *[] ) { ::boost::execution_monitor ex_mon; /////////////////////////////////////////////////////////////// ex_mon.register_exception_translator<my_exception1>( &translate_my_exception1, "except1" ); ex_mon.register_exception_translator<my_exception2>( &translate_my_exception2, "except2" ); try { ex_mon.execute( dangerous_call( argc ) ); std::cout << "Should reach this line " << __LINE__ << std::endl; } catch ( boost::execution_exception const& ex ) { std::cout << "Caught exception: " << ex.what() << std::endl; } /////////////////////////////////////////////////////////////// ex_mon.erase_exception_translator( "except2" ); try { ex_mon.execute( dangerous_call( 5 ) ); std::cout << "Should not reach this line " << __LINE__ << std::endl; } catch ( boost::execution_exception const& ex ) { std::cout << "Caught exception: " << ex.what() << std::endl; } /////////////////////////////////////////////////////////////// ex_mon.erase_exception_translator<my_exception1>(); try { ex_mon.execute( dangerous_call( 1 ) ); std::cout << "Should not reach this line " << __LINE__ << std::endl; } catch ( boost::execution_exception const& ex ) { std::cout << "Caught exception: " << ex.what() << std::endl; } /////////////////////////////////////////////////////////////// ex_mon.p_detect_fp_exceptions.value = boost::fpe::BOOST_FPE_DIVBYZERO; ex_mon.p_catch_system_errors.value = false; try { ex_mon.execute( &generate_fpe ); std::cout << "Should not reach this line " << __LINE__ << std::endl; } catch ( boost::execution_exception const& ex ) { std::cout << "Caught exception: " << ex.what() << std::endl; } /////////////////////////////////////////////////////////////// ex_mon.p_detect_fp_exceptions.value = boost::fpe::BOOST_FPE_ALL; try { ex_mon.execute( &generate_fpe2 ); std::cout << "Should not reach this line " << __LINE__ << std::endl; } catch ( boost::execution_exception const& ex ) { std::cout << "Caught exception: " << ex.what() << std::endl; } try { ex_mon.execute( &generate_fpe3 ); std::cout << "Should not reach this line " << __LINE__ << std::endl; } catch ( boost::execution_exception const& ex ) { std::cout << "Caught exception: " << ex.what() << std::endl; } /////////////////////////////////////////////////////////////// ex_mon.p_detect_fp_exceptions.value = boost::fpe::BOOST_FPE_OFF; ex_mon.p_catch_system_errors.value = true; try { ex_mon.execute( &generate_int_div_0 ); std::cout << "Should not reach this line " << __LINE__ << std::endl; } catch ( boost::execution_exception const& ex ) { std::cout << "Caught exception: " << ex.what() << std::endl; } /////////////////////////////////////////////////////////////// ex_mon.p_detect_fp_exceptions.value = boost::fpe::BOOST_FPE_OFF; ex_mon.p_catch_system_errors.value = true; try { ex_mon.execute( &generate_sigfault ); std::cout << "Should not reach this line " << __LINE__ << std::endl; } catch ( boost::execution_exception const& ex ) { std::cout << "Caught exception: " << ex.what() << std::endl; } return 0; } // EOF