Unit 4 - Developing test plans

Question 1

What is a test case ?

Answer 1

A document that contains a set of tests to help the programmer verify that the code works as expected.

Question 2

What is white box testing ?

Answer 2

A method of testing which examines the underlying structure of the application or code which has been developed

Question 3

Who can do white box testing ?

Answer 3

The tester must know how the code works

Question 4

What are the advantages of WBT ?

Answer 4

• allows each line of code to be tested
• hidden errors are found
• programmers are familiar with the code

Question 5

What are the disadvantage of WBT ?

Answer 5

• must have an experienced programmer
• large-scale programs can be time consuming
• some conditions might not be tested due to time restrictions

Question 6

What is Black box testing ?

Answer 6

Where the tester is unaware of the internal structure of the application they are testing

Question 7

What does BBT focus on testing ?

Answer 7

inputs and outputs

Question 8

What are the advantages of BBT ?

Answer 8

• identifies where user requirements aren’t being met

- tester don’t need to know about the code

Question 9

What are the disadvantages of BBT ?

Answer 9

• not all program pathways are tested
• the reason for a test failure cannot be determined
• repetition of tests may occur

Question 10

What is unit testing ?

Answer 10

Testing one module or unit of code to ensure it’s working as expected. the logic of the code is tested

Question 11

Is unit testing WBT or BBT ?

Answer 11

WBT

Question 12

What is integration testing ?

Answer 12

When a number of units have been tested they are grouped together and tested together

Question 13

What is it called when number of units have been grouped together ?

Answer 13

a sub-system

Question 14

What is system testing ?

Answer 14

Testing carried out on the complete and fully integrated system.

Question 15

Is system testing WBT or BBT ?

Answer 15

BBT

Question 16

List a few features of test plan ?

Answer 16

• introduction
• testing approach
• testing environment
• test strategy

Question 17

What is extreme data ?

Answer 17

to test if the system can cope with very large or very small values (usually the upper and lower limits)

Question 18

What is valid data ?

Answer 18

to ensure that the system works as expected

Question 19

What is invalid data ?

Answer 19

used to ensure the system can process invalid data without crashing

Question 20

What is null data ?

Answer 20

to see what the system does when no data is entered