GCSE J277 - 2.3.2 - Types of Testing

Test data is out of range of what is accepted and should be rejected

• Valid
• Out of range
• Extreme
• Invalid

Test data that should be rejected because it is the wrong type

• Valid
• Out of range
• Extreme
• Invalid

Test data that is correct and should be accepted by the system

• Valid
• Out of range
• Extreme
• Invalid

Test data that is valid, but at the boundaries of the range of acceptable input

• Valid
• Out of range
• Extreme
• Invalid

Test data can also include null values (not entering data to see what happens)

• True
• False

Example of a valid test for the range 1 to 10

• 5
• 12
• 10
• Five

Example of an out of range test for the range 1 to 10

• 5
• 12
• 10
• Five

Example of an invalid test for the range 1 to 10

• 5
• 12
• 10
• Five

Example of an extreme test for the range 1 to 10

• 5
• 12
• 10
• Five

When is terminal testing carried out

• Before you start
• At the end
• During the project
• After the design section