Program Testing and Debugging

Program Testing

• Definition: The process of evaluating a program to ensure it meets the required specifications and works as expected.
• Types:
  • Unit Testing: Testing individual units of code.
  • Integration Testing: Testing how different units of code interact.
  • System Testing: Testing the entire system.
  • Acceptance Testing: Testing to ensure the system meets the requirements.

Debugging

• Definition: The process of identifying and fixing errors in a program.
• Steps:
  • Identify the Error: Determine the cause of the error.
  • Isolate the Error: Determine the location of the error.
  • Fix the Error: Make the necessary changes to fix the error.
  • Test the Fix: Verify that the fix works correctly.
• Tools: Debuggers, print statements, log files.

Importance of Testing and Debugging

• Ensures Correctness: Testing and debugging ensure that the program works correctly.
• Improves Quality: Testing and debugging improve the overall quality of the program.
• Reduces Errors: Testing and debugging reduce the number of errors in the program.
• Saves Time: Testing and debugging can save time in the long run by reducing the number of errors and improving the overall quality of the program.