Test data

Name:

Date:

Class:

Quick Questions

Shade in the A or B circle for each question.

1. Which describes test data?

A Input values chosen before testing so results can be compared with expected results

B The final output a program prints after it has been released to users

2. A program accepts ages from 12 to 18. Which is normal test data?

A abc

B 15

3. A program accepts ages from 12 to 18. Which is abnormal test data?

A twelve

B 13

4. When should test data be chosen?

A After the program runs, by looking at whatever it outputs

B Before the testing starts, along with the expected results

5. A mark must be between 0 and 100. Which pair are the extreme values of the accepted range?

A 0 and 100

B -1 and 101

Match the Pairs

Draw a line connecting each item on the left to its match on the right.

Left column		Right column
1Range 0-100, test data: 50		ANormal test data: a valid value that should be accepted
2Range 0-100, test data: -5		BRange 1-10, test data: 1, 10, 0, 11
3Boundary test data uses the values at the edge of the accepted range and the values just outside it		CInput: 150 \| Expected: Rejected
4Test data is chosen before testing, with an expected result written for each value to compare with the actual result		DThese values are inside the range (1 and 100 are boundary values), so they should be accepted, not rejected.
5Range 1-10, normal test data: 11		EAbnormal test data: an invalid value that should be rejected
6Range 1-100, test data 1, 50, 100: all rejected		F11 is outside the range, so it is abnormal data not normal data. Normal data should be a valid value such as 5.

Definitions

test data

Fill in the Blanks

Complete each line of code by filling in the missing parts.

// Valid age is 1 to 100 // Test data 50 is ______ data

// Valid age is 1 to 100 // Test data -5 is ________ data

// Valid age is 1 to 100 // 0 and 1 are ________ test data

INPUT Age IF Age >= 1 ___ Age <= 100 THEN OUTPUT "Accepted"

DECLARE TestAge : INTEGER _____ TestAge OUTPUT TestAge

Spot the Error

Shade in the letter of the line that contains an error.

Question 1

A // Range check 1 to 100

B // Normal test data

C TestData ← 150 // accepted

Question 2

A // Range check 1 to 100

B // Abnormal test data

C TestData ← 55 // rejected

Question 3

A // Mark must be 0 to 100

B // Boundary test data

C TestData ← 100 // accepted

D TestData ← 101 // accepted

Question 4

A // Abnormal test data

B // Range check 1 to 10

C TestData ← 1 // accepted

D TestData ← 10 // accepted

Question 5

A // 1. Choose test data first

B // 2. Run the program with it

C // 3. Compare with the input

Answer Key

Test data

Section A: Quick Questions

A — Input values chosen before testing so results can be compared with expected results

B — 15

A — twelve

B — Before the testing starts, along with the expected results

A — 0 and 100

Section B: Match the Pairs

Range 0-100, test data: 50 → Normal test data: a valid value that should be accepted

Range 0-100, test data: -5 → Abnormal test data: an invalid value that should be rejected

Boundary test data uses the values at the edge of the accepted range and the values just outside it → Range 1-10, test data: 1, 10, 0, 11

Test data is chosen before testing, with an expected result written for each value to compare with the actual result → Input: 150 | Expected: Rejected

Range 1-10, normal test data: 11 → 11 is outside the range, so it is abnormal data not normal data. Normal data should be a valid value such as 5.

Range 1-100, test data 1, 50, 100: all rejected → These values are inside the range (1 and 100 are boundary values), so they should be accepted, not rejected.

Section C: Definitions

test data — The input values chosen before testing, such as normal, abnormal, extreme and boundary values, used to run a program so its results can be compared with the expected results.

Section D: Fill in the Blanks

// Valid age is 1 to 100
// Test data 50 is normal data

// Valid age is 1 to 100
// Test data -5 is abnormal data

// Valid age is 1 to 100
// 0 and 1 are boundary test data

INPUT Age
IF Age >= 1 AND Age <= 100 THEN
  OUTPUT "Accepted"

DECLARE TestAge : INTEGER
INPUT TestAge
OUTPUT TestAge

Section E: Spot the Error

C — 150 is outside the range 1 to 100, so it is abnormal data and would be rejected. Normal test data must be inside the range, for example 50.

C — 55 is inside the range 1 to 100, so it is normal data and would be accepted. Abnormal test data must be outside the range, for example -5.

D — 101 is just outside the boundary of 0 to 100, so it should be rejected. The expected result for 101 is rejected, not accepted.

A — 1 and 10 are the smallest and largest values the range accepts, so they are extreme test data. Abnormal data would be rejected, but these are accepted.

C — The results of running the program are compared with the expected results, which are decided before testing. They are not compared with the input.