Good Test Case Design

A Good Test Case Satisfies the Following Criteria

1.Effectively Find faults (Verify object)

2.Easy to maintain

3.Economically cheap to use  "Minimum Number of Test Cases To cover Maximum Functionality"

4.Represent to Others Easy to Understand

5.Doesn't Do unnecessary things

Test Cases for Telephone

1. Check whether the phone is working or not.

2. check whether the connection to receiver is proper or not.

3. Press numbers from 0 to 9 to check whether they are 

Responding or not.

4. Check for the dial tone when receiver is being lifted.

5. Enter valid phone numbers and check.

6. Enter invalid numbers and check whether the line is 

Connected or not.

7. Check the functionality of redial button.

8. Check whether it is connecting to corresponding no.s when 

Valid no’s are dialed.

9. Check whether ringtone is heard by dialing valid no's.

10. Check whether the phone system is according to the 

Requirements given.

  Test Cases for PEN:

1) Check whether the pen can write continuously

2) Check for Color of ink

3) Check for pen grip

4) Check for pen length

5) Check for refill length

6) Check for Refill point diameter

7) Check for pen weight

8) Check for pen material

9) Check for pen cap remove/close easily

10) Check for stress while writing

Test Cases for  ATM machine...

1. To verify ATM card Insertion

2. To verify ATM card Insertion in wrong angle

3. To verify invalid ATM card Insertion 

4. To verify Language selection

5. To verify Pin entry

6. To verify invalid  Pin entry

7. To verify invalid  Pin entry 3 times

8.To verify Account Type selection

9. To verify Invalid Account Type selection with respective

to inserted card

10. Verify withdrawal option selection

11. Verify Amount entry 

12. Verify Amount entry with wrong denominations(fr eg:999Rs)

13. Verify withdrawal success operation

14. Verify operation when our entered amount is grater than

Possible balance

15. Verify operation when our entered amount is grater than

Day limit

16. Verify when our ATM have lack of Amount

17. Verify when our ATM have network problem

18. Verify Current transaction No. exceeded than day limit

19. Verify operation with exceeded delay in between

Operations in ATM

20. Verify Cancel after insert card

21. Verify Cancel after Language selection

22. Verify Cancel after Pin entry

23. Verify Cancel after Amount type selection

24. Verify Cancel after withdrawal operation

25. Verify Cancel after Amount entry

26. Verify correction of Amount during entry

27. Verify after successful transaction If customer doesn't

Take the money

Usability Test Cases for Note Pad

1 - Change The color of word & Character

2 - Try to Open File other then .txt file Like .Pdf ,.doc  

3 - try to paste Picture ,Graphics & Image

4 - try to draw any diagram , like :- line , circle , 

Functional Test Cases: 

1) new page should be blank and cursor on beginning of first line.

2 To test Notepad Application :) the application allows typing

3) the application allows saving

4) the application allows opening a saved instance

5) validate menus and submenus

6) type of data that can be saved (numeric, alphanumeric, special chars)

7) editing the saved data(changing the font size, type, deleting, adding) and saving the changes.

8) saving a blank file.

9) validate file name : renaming file/keeping the default name/duplicate file name/sp chars in filename

Non-functional Test Cases : 

1) do performance testing by opening, say, 100 instances of notepad (possibly by using an automated tool)

 and determining the response time.

2) Check max length of data.