The IIT Madras BS Software Testing (Software Testing) Quiz 2 paper sat on 3 Dec 2023, in the September 2023 term: 18 questions for 100 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.
Suppose a mobile application for hotel room booking has a requirement that the language interface be available in all prominent Indian languages. Identify the correct type of the requirement.
Business requirement
User requirement
Regulatory requirement
Non-functional requirement
Correct answer
User requirement
Consider a banking web application that determines the annual interest rate applied to a housing loan (only) based on the tenure (number of years to repay the loan). The annual interest rate is calculated as follows:
• The tenure can be 1 to 20 years.
• If the tenure is between 1 and 5 years, then the rate is 11%.
• If the tenure is between 6 and 10 years, then the rate is 10%.
• If the tenure is between 11 and 15 years, then the rate is 9%.
• If the tenure is between 16 and 20 years, then the rate is 8.5%
What is the minimum number of test cases to be prepared for testing the application using the equivalence class partitioning technique?
4
5
6
7
Correct answer
6
For a predicate p with n clauses, how many test cases need to be prepared for all combinations coverage?
n − 1
2ⁿ
n²
n!
Correct answer
2ⁿ
In an FSM (Finite State Machine), which of the following is represented as preconditions?
Conditions that must be true for transitions to be taken.
Changes to variables that cause transitions to be taken.
The initial state of the FSM.
The possible changes from one state to another.
Correct answer
Conditions that must be true for transitions to be taken.
Modules interact with each other using well-defined interfaces. Which of the following interfaces allows data and control both to be passed in both directions between two modules?
Procedure call interface
Message passing interface
Shared memory interface
All of these
Correct answer
Procedure call interface
Suppose we need to test a program that takes an integer as input. The input domain can be partitioned into 2 equivalence classes: an input x is valid if 10 < x < 100, and the rest are invalid inputs. Identify the correct set(s) of BVA (Boundary Value Analysis) test cases for the valid partition from the following options.
{x = 10, x = 15, x = 100}
{x = 11, x = 15, x = 99}
{x = 10, x = 11, x = 15, x = 99, x = 100}
{x = 10, x = 11, x = 12, x = 15, x = 98, x = 99, x = 100}
Correct answers
{x = 10, x = 11, x = 15, x = 99, x = 100}
{x = 10, x = 11, x = 12, x = 15, x = 98, x = 99, x = 100}
Consider the annotated control flow graph (CFG) given below.
Which of the following test case inputs will result in test path(s) that visit(s) the edge (4, 6) ?
{x = 10, y = 30, z = 20}
{x = 30, y = 30, z = 20}
{x = 30, y = 20, z = 10}
{x = 30, y = 10, z = 20}
Correct answers
{x = 10, y = 30, z = 20}
{x = 30, y = 10, z = 20}
Consider input space partitioning (ISP) for a program that computes the annual interest rate of a fixed deposit scheme presented in the table below, consisting of characteristics and blocks.
What is the minimum number of tests (including the base choice) required to satisfy base choice coverage (BCC) criterion?
6
7
8
9
Correct answer
8
Consider the following truth table for predicate p.
With reference to the truth table row numbers (Row*#*) above, identify the GACC pairs for clause a from the following options?
Row (2, 4) only
Row (1, 2) only
Rows (1, 3) and (2, 4)
Rows (1, 4) and (2, 3)
Correct answer
Row (2, 4) only
Correct answer
Correct answer
Consider the annotated CFG given below.
Which of the following criteria does the set of paths below satisfy?
{[1, 2, 4, 5, 6, 8], [1, 2, 4, 5, 7, 8], [1, 2, 3, 5, 6, 8]}
All-defs coverage
All-uses coverage
All du-paths coverage
None of these
Correct answer
All-defs coverage
Based on the above data, answer the given subquestions.
Which of the following represents pa, the conditions under which the clause a determines p?
¬b ∨ c
¬b ∨ ¬c
¬b ∧ ¬c
b ∧ c
Correct answer
¬b ∨ ¬c
Based on the above data, answer the given subquestions.
From the given options, identify all pairs of test requirements to satisfy restricted active clause coverage (RACC) for clause a.
{(a = F, b = T, c = T), (a = F, b = F, c = T)
{(a = F, b = T, c = F), (a = F, b = F, c = F)
{(a = T, b = T, c = F), (a = F, b = F, c = T)
{(a = T, b = F, c = T), (a = F, b = F, c = F)
{(a = T, b = F, c = F), (a = F, b = T, c = F)
{(a = T, b = T, c = F), (a = F, b = T, c = F)
{(a = T, b = F, c = T), (a = F, b = F, c = T)
{(a = T, b = F, c = F), (a = F, b = F, c = F)
{(a = T, b = T, c = F), (a = F, b = T, c = F)
{(a = T, b = T, c = F), (a = F, b = F, c = T)
{(a = T, b = F, c = T), (a = F, b = T, c = F)
{(a = T, b = F, c = T), (a = F, b = F, c = T)
Correct answer
{(a = T, b = T, c = F), (a = F, b = T, c = F)
{(a = T, b = F, c = T), (a = F, b = F, c = T)
{(a = T, b = F, c = F), (a = F, b = F, c = F)
Based on the above data, answer the given subquestions.
Correct answer
Based on the above data, answer the given subquestions.
Correct answer
Based on the above data, answer the given subquestions.
Which of the following test paths achieves node coverage, but not edge coverage?
[1, 2, 6]
[1, 2, 3, 4, 5, 2, 6]
[1, 2, 3, 5, 2, 6]
[1, 2, 3, 5, 2, 3, 4, 5, 2, 6]
Correct answer
[1, 2, 3, 4, 5, 2, 6]
Based on the above data, answer the given subquestions.
Identify the total number of test requirements in prime path coverage.
9
10
11
12
Correct answer
12
