Producing Robust Programs

Producing Robust Programs

1. Defensive Design

   • Maintainability
     • Features to make your code more maintainable
       • Comments
       • Indentation
       • Formatting
   • Authentication
   • Validation
     • Protection against unexpected user inputs
       • Types of checks
         • Type Check
         • Length Check
         • Format Check
         • Range Check
         • Presence Check
   • Testing
     • Types of tests
       • Iterative Testing
       • Final Testing
       • Invalid Data Test
       • Valid Data Test
     • Types of data to be tested
       • Valid Data
       • Invalid Data
       • Borderline Data