The IIT Madras BS Software Testing (Software Testing) Quiz 1 paper sat on 26 Oct 2025, in the September 2025 term, set 3: 23 questions for 103 marks in 120 minutes. Every question is below with its answer. Take it as a timed mock test to be marked, or read it through first.
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YES
NO
Correct answer
YES
In an organization, software testers always look for failures in the software product due to which they have an adversarial relationship with the software developers. Considering this scenario, identify the maximum process maturity level of this organization.
Level 1
Level 2
Level 3
Level 4
Correct answer
Level 2
Consider the following statements and choose the correct option. i) Prime path coverage subsumes node and edge coverage. ii) Prime path coverage does not subsume edge-pair coverage.
Statement i) is correct and Statement ii) is incorrect.
Statement ii) is correct and Statement i) is incorrect.
Both statements are incorrect.
Both statements are correct.
Correct answer
Both statements are correct.
Which of the following are required to create a test case?
Test inputs and actual outputs
Test inputs and expected outputs
Actual outputs and expected outputs
Test inputs only
Correct answer
Test inputs and expected outputs
Consider the following statements and choose the correct option. i) In JUnit, each test is embedded into one test method. ii) JUnit can be used for unit, integration as well as system testing.
Statement i) is correct and Statement ii) is incorrect.
Statement ii) is correct and Statement i) is incorrect.
Both statements are incorrect.
Both statements are correct.
Correct answer
Statement i) is correct and Statement ii) is incorrect.
A ____________ is a skeletal implementation of a software module, used to develop or test a component that calls the stub or depends on it. Fill in the blank with correct option.
test method
test driver
test stub
test suite
Correct answer
test stub
Shared memory interface
Procedure call interface
Message passing interface
External file interface
Correct answer
Procedure call interface
Consider the following statements regarding structural graph coverage criteria, and choose the correct option. i) A test path always begins with the initial vertex and ends in the final vertex. ii) A prime path may contain cycles within it as a subpath. iii) Complete path coverage may be feasible for some CFGs.
Statement i) and iii) are correct. Statement ii) is incorrect.
Statement i) is correct. Statement ii) and iii) are incorrect.
Statement ii) and iii) are correct. Statement i) is incorrect.
Statement i) and ii) are correct. Statement iii) is incorrect.
Correct answer
Statement i) and iii) are correct. Statement ii) is incorrect.
The ________ approach to integration testing does not require the use of test stubs or test drivers. Fill in the blank with the correct option.
bottom-up
top-down
sandwich
big bang
Correct answer
big bang
Consider the following statement and fill in the blank(s) with the appropriate option. In a maximal chain, the interior vertices have an indegree of i)___ and outdegree of ii)___.
i - 1, ii - 2
i - 0, ii - 2
i - 1, ii - 1
i - 1, ii - 0
Correct answer
i - 1, ii - 1
Correct answer
Correct answer
Which of the following graph coverage criteria is equivalent to state coverage on a finite state machine (FSM)?
Node coverage
Edge coverage
Edge-pair coverage
Prime path coverage
Correct answer
Node coverage
Which of the following types of testing methods are white box, i.e. require knowledge about the internals of the program?
Unit Testing
Stress Testing
Integration Testing
Beta Testing
Correct answers
Unit Testing
Integration Testing
Correct answers
Consider the following control flow graph (CFG), and answer the subsequent questions.
Consider the following control flow graph (CFG), and answer the subsequent questions.
How many test requirements are there for edge-pair coverage?
9
10
11
8
Correct answer
10
Consider the following control flow graph (CFG), and answer the subsequent questions.
Consider the following control flow graph (CFG), and answer the subsequent questions.
How many test requirements are there for prime path coverage?
9
12
10
11
Correct answer
10
Consider the following control flow graph (CFG), and answer the subsequent questions.
Consider the following control flow graph (CFG), and answer the subsequent questions.
What is the cyclomatic complexity of the given CFG?
3
4
5
6
Correct answer
3
Consider the following data flow graph, and answer the subsequent questions.
Consider the following data flow graph, and answer the subsequent questions.
How many test requirements are there for All-Defs-Coverage for variable x?
1
2
3
4
Correct answer
2
Consider the following data flow graph, and answer the subsequent questions.
Consider the following data flow graph, and answer the subsequent questions.
How many test requirements are there for All-Uses-Coverage for variable x?
4
5
6
7
Correct answer
6
Consider the following data flow graph, and answer the subsequent questions.
Consider the following data flow graph, and answer the subsequent questions.
6
7
8
9
Correct answer
6
Consider the following control flow graph (CFG), and answer the subsequent questions.
Consider the following control flow graph (CFG), and answer the subsequent questions.
A written answer, not marked automatically.
Consider the following data flow graph, and answer the subsequent questions.
Consider the following data flow graph, and answer the subsequent questions.
A written answer, not marked automatically.
