Software Testing Preliminaries

Question 1

How is correctness established?

Answer 1

Mathematical Proofs

Question 2

What is the purpose of testing?

Answer 2

To find defects in the software

Question 3

What is branch testing?

Answer 3

Execute each outcome of each decision point in a program

Question 4

A review of a software work product, following defined procedures, by peers of the producers of the product for the purpose of identifying defects and improvements

Answer 4

Peer reviews

Question 5

Selective retesting of a system or component to verify that modifications have not caused unintended effects and that the system or component still complies with its specified requirements

Answer 5

Regression Testing

Question 6

The degree to which a system, component, or

process meets specified requirements

Answer 6

Quality

Question 7

A set of test inputs, execution conditions, and expected results developed for a particular objective, such as to exercise a particular program path or to verify compliance with a specific requirement

Answer 7

Test case

Question 8

All the planned and systematic activities implemented within the quality system, and demonstrated as needed, to provide adequate confidence that an entity will fulfill requirements for quality

Answer 8

Quality assurance

Question 9

Is the purpose of testing to demonstrate that software works?

Answer 9

No, it is to find defects in the software.

Question 10

The “normal” development process will remove about __% of defects before they are ever counted

Answer 10

50

Question 11

A person makes a _____ which becomes a ____ resulting at execution in a ____ which is wrong with some degree of ____

Answer 11

Mistake, fault, failure, error

Question 12

Formal proof of program correctness

Answer 12

Verification

Question 13

____ methods allow sets of requirements to be examined for completeness, consistency, and equivalence to another requirement set

Answer 13

Formal

Question 14

____ methods result in ____ ____

Answer 14

Formal, formal, specifications

Question 15

Quality attributes that refer to the code and related documentation

Answer 15

Static

Question 16

Black-Box Testing

Answer 16

Functional Testing. Ignores the internal mechanism

Question 17

White-Box Testing

Answer 17

Internal mechanism is known

Question 18

Statement Testing

Answer 18

Execute each statement of a program

Question 19

A static analysis technique in which a designer or programmer leads members of the development team and other interested parties through a segment of documentation or code, and the participants ask questions and make comments about possible errors, violation of development standards, and other problems

Answer 19

Walkthrough

Question 20

Testing conducted on a complete, integrated system to evaluate the system’s compliance with its specified requirements

Answer 20

System Testing

Question 21

Testing in which software components, hardware components, or both are combined and tested to evaluate the interaction between them

Answer 21

Integration Testing

Question 22

Quality attributes that refer to the behavior of the application while in use

Answer 22

Dynamic

Question 23

What is exhaustive testing?

Answer 23

Testing a program on all possible inputs

Question 24

What is needed for a program to be considered correct?

Answer 24

Behaves as expected on each element of its input domain

Question 25

A static analysis technique that relies on visual examination of development products to detect errors, violations of development standards, and other problems

Answer 25

Inspection

Question 26

Formal testing conducted to determine whether or not a system satisfies its acceptance criteria and to enable the customer to whether or not to accept the system

Answer 26

Acceptance Testing

Question 27

Testing of individual hardware of software units or groups of related units

Answer 27

Unit Testing

Question 28

The process of evaluating a system or component during or at the end of the development process to determine whether it satisfies specified requirements

Answer 28

Validation

Question 29

The process of evaluating a system or component to determine whether the products of a given development phase satisfy the conditions imposed at the start of that phase

Answer 29

Verification

Question 30

Path Testing

Answer 30

Execute all or selected paths through a program

Question 31

What is a black-box testing measure?

Answer 31

percentage of requirements covered

Question 32

What is a white-box testing measure?

Answer 32

percentage of statements, decisions, conditions covered

Question 33

T/F Program testing can be used to show the presence of bugs, but never to show their absence

Answer 33

T

Question 34

T/F Knuth said "Beware of bugs in the above code; I have only proved it correct, not tried it"

Answer 34

T

Question 35

A systematic examination of the requirements, design, or implementation of a system, or any part of it, by qualified personnel

Answer 35

Structured walkthrough

Question 36

A technique for expressing requirements in a manner that allows the requirements to be studied mathematically

Answer 36

Formal methods

Question 37

T/F Formal methods allow sets of requirements to be examined for completeness, consistency, and equivalency to another requirement set

Answer 37

T

Question 38

What do formal methods result in?

Answer 38

Formal specifications

Question 39

A collection of test cases

Answer 39

Test set