// ------------------------------- // // -------- Start of File -------- // // ------------------------------- // // ----------------------------------------------------------- // // C++ Source Code File Name: testprog.cpp // Compiler Used: MSVC, BCC32, GCC, HPUX aCC, SOLARIS CC // Produced By: glNET Software // File Creation Date: 02/14/1996 // Date Last Modified: 06/12/2001 // Copyright (c) 2001 glNET Software // ----------------------------------------------------------- // // ------------- Program Description and Details ------------- // // ----------------------------------------------------------- // /* This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with this library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA This is a test program for the database error functions and exception classes. */ // ----------------------------------------------------------- // #include <iostream.h> #include <stdlib.h> #include <fstream.h> #include "gxderror.h" #ifdef __CPP_EXCEPTIONS__ class CTest { public: CTest() { cout << "Constructing CTest object..." << endl; } ~CTest() { cout << "Destructing CTest object..." << endl; } public: int FOpen(const char *s); gxDatabaseError GetError() { return err; } private: gxDatabaseError err; fstream f; }; int CTest::FOpen(const char *s) { // ... // ... // Simulate an fopen error // Error detected here cout << "In CTest::FOpen(). Throwing a gxCDatabaseException exception..." << endl; err = gxDBASE_FILE_OPEN_ERROR; throw gxCDatabaseException(); // This will automatically call the destructor function during // stack unwinding for all local objects constructed before // the exception was thrown. // The context between the throw site and the catch handler // is known as the "exception stack frame". // ... // ... return 0; } #endif void PausePrg() { cout << endl; cout << "Press enter to continue..." << endl; cin.get(); } int main() { cout << endl; cout << "Displaying an error message..." << endl; gxDatabaseError err = gxDBASE_WRONG_FILE_TYPE; cout << gxDatabaseExceptionMessage(err) << endl; PausePrg(); #ifdef __CPP_EXCEPTIONS__ cout << "Testing C++'s built-in exception handling routines" << endl; CTest ob; try { cout << "In try block, calling CTest::FOpen()..." << endl; ob.FOpen("ABCDEF"); } catch(gxCDatabaseException) { cout << gxDatabaseExceptionMessage(ob.GetError()) << endl; } cout << "Resuming program execution here..." << endl; #else cout << "C++ Exception handling is not enabled" << endl; #endif PausePrg(); cout << "Test complete. Exiting..." << endl; return 0; } // ----------------------------------------------------------- // // ------------------------------- // // --------- End of File --------- // // ------------------------------- //