Iterative testing
Testing throughout development
Terminal testing
Whole program at the end
Validation
Enforcing rule in user input
Authentification
Checks idenitty of the user
Syntax errors
Not following rules of language
Logic error
Code doesnt do as intended
Normal testing
Typical user inputs
Boundary testing
On the edge of whats allowed
Erroneous and invalid
Completely wrong
E-X
I-✅