The IIT Madras BS Software Testing (Software Testing) End Term paper sat on 10 May 2026, in the January 2026 term: 23 questions for 102 marks in 180 minutes. Every question is below with its answer. Take it as a timed mock test to be marked, or read it through first.
A software application allows users to create accounts, log in, transfer funds between accounts, and generate transaction reports. Which of the following types of testing is performed to verify that each of these features works according to the specified requirements and produces the expected results?
Performance Testing
Regression Testing
Functional Testing
Usability Testing
Correct answer
Functional Testing
Which of the following options best describes the main objective of integration testing?
To verify that individual code units work correctly in isolation.
To verify that different modules and components work together correctly after being combined.
To verify that the entire system meets all user requirements and business specifications.
To verify that the application performs well under high load and stress conditions.
Correct answer
To verify that different modules and components work together correctly after being combined.
Consider a context free grammar over a finite alphabet . The following are the production rules for : Let be the starting symbol. Which of the following sets represents the language generated by the given grammar?
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Correct answer
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Polymorphism factor belongs to which of the following categories of software metrics?
Product Quality Metrics
Object-Oriented Software Metrics
Maintainance Quality Metrics
In-Process Quality Metrics
Correct answer
Object-Oriented Software Metrics
Which type of client-side testing executes test cases that replay user interactions with the web application?
Parameter level bypass testing
Control flow level bypass testing
Value level bypass testing
User-session data based testing
Correct answer
User-session data based testing
The following table lists some access modifiers in object oriented programming.
Match each visibility scope with the appropriate access modifier.
1 - A, 2 - C, 3 - B
1 - A, 2 - B, 3 - C
1 - B, 2 - C, 3 - A
1 - B, 2 - A, 3 - C
Correct answer
1 - A, 2 - C, 3 - B
A user is on the Search Results page of a travel website. They decide they want to start over, so they click the browser's "Back" button to return to the Search Input page. Which type of transition would take place in the Application Transition Graph (ATG) in this scenario?
Operational Transition
Form Link Transition
Redirect Transition
Simple Link Transition
Correct answer
Operational Transition
Consider the following code segment.
A mutant needs to be created by removing the declaration of in . Which of the following mutation operators can be used for this purpose?
Super Keyword Deletion (SKD)
Overriding Method Deletion (OMD)
Parent Constructor Deletion (PCD)
Hiding Variable Deletion (HVD)
Correct answer
Hiding Variable Deletion (HVD)
Consider ISP with four blocks as , , , and . How many tests are needed to satisfy All Combinations Coverage (ACoC) criterion?
48
36
24
12
Correct answer
36
Consider the following Java program.
Which of the following types of anomalies or faults are present in the given scenario?
State Definition Anomaly (SDA)
State Definition Inconsistency Anomaly (SDIA)
Inconsistent Type Use (ITU)
State Visibility Anomaly (SVA)
Correct answer
State Definition Inconsistency Anomaly (SDIA)
Consider the following Java program.
Which of the following sets of methods will be invoked in the given program?
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Correct answer
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Consider the following code segment for symbolic execution.
Assume that and represent the symbolic values for the variables and in the method . Which of the following path constraints would reach the call at ?
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Correct answer
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Consider the following code statement (ground string) and a mutant:
Which of the following types of mutation operators can be applied to the ground string to obtain ?
Scalar variable replacement
Arithmetic operator replacement
Relational operator replacement
Assignment operator replacement
Correct answer
Relational operator replacement
Consider the following code segment of a Java servlet. The atomic sections are marked as .
Identify the component expression that corresponds to the given code segment.
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Correct answer
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Consider the following data flow graph.
Given a set of test paths , which of the following coverage criteria is satisfied for the variable ?
All-Defs Coverage only
All-Uses Coverage only
All-DU-Paths Coverage
None of these
Correct answer
All-Defs Coverage only
Consider the following finite state machine (FSM).
Which of the following are correct regarding the given FSM?
Sequence can be accepted by this FSM
There are 11 test requirements for transition coverage
There are 5 test requirements for transition coverage
Sequence can be accepted by this FSM
Correct answers
There are 11 test requirements for transition coverage
Sequence can be accepted by this FSM
Consider a Test-Driven Development (TDD) approach for a retail management system. A specific user story requires that a store manager can apply a percentage-based discount to a product. The discount value must be validated upon entry to ensure it falls within a specific operational range. Consider the following JUnit test for this user story.
Which of the following are the appropriate implementations of the method in the class?
Correct answers
Based on the above data, answer the given subquestions.
Which of the following is the set of RACC pairs for clause ?
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Correct answer
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Based on the above data, answer the given subquestions.
Which of the following is the set of RICC pairs for clause ?
, for , no feasible pair for
, for , no feasible pair for
for , , for
for , , for
Correct answer
, for , no feasible pair for
Consider the control flow graph (CFG), , where • Set of vertices • Set of edges • Initial vertex • Final vertex Based on the above data, answer the given subquestions.
What is the cyclomatic complexity of ?
6
3
4
5
Correct answer
4
Consider the control flow graph (CFG), , where • Set of vertices • Set of edges • Initial vertex • Final vertex Based on the above data, answer the given subquestions.
How many test requirements are there for edge-pair coverage on ?
6
9
8
7
Correct answer
9
Based on the above data, answer the given subquestions.
A written answer, not marked automatically.
Consider the control flow graph (CFG), , where • Set of vertices • Set of edges • Initial vertex • Final vertex Based on the above data, answer the given subquestions.
A written answer, not marked automatically.
