Black-Box Test Technique

The Black-Box Test Technique analyses system specifications to design test cases that validate the functionality of a system based solely on its inputs and expected outputs, without considering its internal implementation. They include:

Equivalence Partitioning:

• Divide inputs into valid and invalid classes
• Test one value from each class

Boundary Value Analysis:

• Test values at input boundaries
• Check system behaviour at edge cases

Decision Table Testing:

• Create tables of inputs and expected outputs
• Test all possible combinations

State Transition Testing:

• Model system as states and transitions
• Test all state changes

Use Case Testing:

• Design tests based on user scenarios
• Verify system meets user needs

These techniques help create comprehensive test cases without knowledge of internal code.