ITPEC FE Subject A October 2024 Question 37

White Box vs Black Box Testing — condition testing is a white box technique.

White box (structure-based) tests the internal code:
- Statement testing — execute every line
- Branch testing — execute every branch (if/else)
- Condition testing — test each boolean sub-expression for true/false
- Path testing — execute every possible path

Black box (specification-based) tests inputs/outputs without seeing code:
- Boundary value analysis — test at edges of valid ranges
- Equivalence partitioning — divide inputs into equivalent classes
- Orthogonal array testing — combinatorial input combinations
- Decision table testing — map condition combinations to actions

Why not others:
- (a) Boundary value analysis — black box technique
- (c) Equivalence partitioning — black box technique
- (d) Orthogonal array testing — black box technique

Key rule: If it requires knowledge of code structure → white box. If it only uses specifications → black box.

AI-generated — may contain errors