Based on the system state transition diagram of an ATM system shown below, using the state transition test technique which of the following is an example of a test case required to achieve 1- switch…

The correct answer is C. 1st try -> 2nd try -> eat card. 1-switch coverage means that every possible transition from one state to another is tested at least once. Option C is the only test case that covers the transition from 2nd try to eat card, which is not covered by any other option. Reference = ISTQB Certified Tester Advanced…

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Question

Based on the system state transition diagram of an ATM system shown below, using the state transition test technique which of the following is an example of a test case required to achieve 1- switch coverage?

Exhibit

Options

A1 st try-> 2nd try
B1 st try -> 2nd try -> 3rd try
C1st try -> 2nd try -> eat card
D1 st try -> 2nd try -> 3rd try -> access to act

How the community answered

(24 responses)

A
8% (2)
B
4% (1)
C
83% (20)
D
4% (1)

Explanation

1-switch coverage means that every possible transition from one state to another is tested at least once. Option C is the only test case that covers the transition from 2nd try to eat card, which is not covered by any other option. Reference = ISTQB Certified Tester Advanced Level Syllabus Technical Test Analyst, page 58, section 4.3.2.2.

Topics

#state transition testing#1-switch coverage#ATM system#test sequences

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