Test Adequacy Using Control Flow

Question 1

T is considered adequate with respect to the
statement coverage criterion if the statement
coverage of T with respect to (P,R) is ____

Answer 1

1

Question 2

Sub i is the number of what?

Answer 2

Unreachable code

Question 3

Sub c is the number of what?

Answer 3

Covered code

Question 4

Sub e is the number of what?

Answer 4

Code in the program

Question 5

Logical statements on the same line should be:

Answer 5

Separately counted

Question 6

T/F Counting syntactical markers, or not, is an operational definition choice

Answer 6

T

Question 7

T/F If syntactical markers are counted, they should be

treated as statements and all counted

Answer 7

T

Question 8

T/F If syntactical markers are not counted, none should

be counted… including else

Answer 8

T

Question 9

What is a condition also known as?

Answer 9

Predicate

Question 10

Any expression that evaluates to true or false constitutes a ____

Answer 10

Condition

Question 11

T/F x and x + y are invalid conditions

Answer 11

False, depends on the language

Question 12

T/F The constants 1 and 0 may correspond to, respectively, true and false

Answer 12

T

Question 13

T/F The constant 0 may correspond to false and any

non-zero constant corresponds to true

Answer 13

T

Question 14

T/F Odd constants may correspond to true and even

constants may correspond to false

Answer 14

T

Question 15

T/F A simple condition uses any boolean operator

Answer 15

F, only NOT operator

Question 16

Simple conditions are also referred to as ____
or ____ conditions because they cannot be
parsed any further into two or more conditions

Answer 16

Atomic, elementary

Question 17

T/F A compound condition is made up of two or
more simple conditions joined by one or more
Boolean operators

Answer 17

T

Question 18

Any condition can serve as a decision in the appropriate context within a program

Answer 18

Conditions as decisions

Question 19

What do most high-level languages provide to serve as contexts for decisions?

Answer 19

If, while, and switch statements

Question 20

A decision can have three possible outcomes, what are they?

Answer 20

True, false, undefined

Question 21

T/F When the condition corresponding to a decision evaluates to true or false, the decision to take one or the other path is made

Answer 21

T

Question 22

T/F The evaluation of a condition never fails

Answer 22

F

Question 23

When the evaluation of a condition fails, what happens to the corresponding decisions outcome?

Answer 23

Undefined

Question 24

When does a condition become a decision?

Answer 24

When it is used within the appropriate context, such as an if statement

Question 25

A decision is considered ____ if the flow of control has been diverted to all possible destinations that correspond to this decision

Answer 25

Covered

Question 26

What is decision coverage also known as?

Answer 26

Branch decision coverage

Question 27

A decision implied by the ____ statement is considered covered if during one or more executions of the program under test, the flow of control has been diverted to all possible destinations

Answer 27

Switch

Question 28

T/F The domain of decision coverage consists of all | decisions in the program under test

Answer 28

T

Question 29

What contributes to one decision?

Answer 29

If and while

Question 30

What contributes to more than one decision?

Answer 30

Switch

Question 31

When is a compound condition considered to be covered?

Answer 31

Each simple condition it is comprised of is also covered

Question 32

T/F Decision coverage is concerned with the coverage of decisions regardless of whether a decision corresponds to a simple or a compound condition

Answer 32

T

Question 33

T/F When a decision is composed of a compound condition, decision coverage does not imply that each simple condition within a compound condition has taken both values true and false

Answer 33

T

Question 34

T/F Condition coverage requires each decision to have taken both outcomes

Answer 34

F

Question 35

What is condition/decision coverage is also known as?

Answer 35

Branch condition coverage

Question 36

Using condition coverage on some compound condition C implies that each simple condition within C has been evaluated to true and false. Does it imply that all combinations of the values of the individual simple conditions in C have been exercised?

Answer 36

No

Question 37

A ____ is a program unit comprised of a textual code sequence that terminates in a jump to the beginning of another code sequence and jump

Answer 37

Linear Code Sequence and Jump

Question 38

When control arrives at statement X, follows through to statement Y, and then jumps to statement Z, we say that the LCSAJ (X, Y, Z) is ____

Answer 38

Traversed

Question 39

When does multiple condition coverage become expensive?

Answer 39

When there are many embedded simple conditions

Question 40

When a compound condition C contains n simple conditions, the maximum number of tests required to cover C is ____

Answer 40

2^n

Question 41

MC/DC coverage requires that every compound condition in a program must be tested by demonstrating that each simple condition within the compound condition has an ____ on its outcome

Answer 41

Independent effect

Question 42

T/F MC/DC coverage is a stronger criterion than the multiple condition coverage criterion

Answer 42

F, weaker

Question 43

T/F Each simple condition in MC/DC affects the outcome of C independently

Answer 43

T

Question 44

T/F Conditions that are not part of a decision are also included in the set of conditions to be covered

Answer 44

T

Question 45

T/F In some cases, an adequate test set need only demonstrate the independent effect of any one occurrence of the coupled condition

Answer 45

T

Question 46

What are the three error types in a compound condition?

Answer 46

Missing condition, incorrect boolean operator, mixed

Question 47

T/F Satisfying the MC/DC adequacy means that errors made while coding conditions will be revealed

Answer 47

F

Question 48

T/F An MC/DC-adequate test is likely to reveal more | errors than a decision or condition coverage adequate test

Answer 48

T

Question 49

What are two problems with MC/DC?

Answer 49

Short circuit operators | Multiple occurrences of a condition