Part 2: W06-2 Structural Testing

Question 1

What is a Control Flow Graph?

Answer 1

A directed labeled graph representing the flow of a program.

Each node is a statement or group of statements.

Question 2

What coverage types exist for Structural testing?

Answer 2

1. Statement coverage - each statement is executed
2. Edge/condition coverage - each condition is tried
3. Path coverage - each combination of conditions is tried

Question 3

What is a DD-Path Graph?

Answer 3

Basically Control Flow Graph simplified. (Long chains squashed to a single node)

Question 4

Apart from standard statement, edge/condition, and path coverage, what other coverage types can exist?

Answer 4

1. Decision coverage - similar to condition coverage
2. Function coverage
3. Call coverage