Answer / shiva

1.verify the coffee machine is working properly or not by
switching ON power supply.
2.verify the coffee machine when power supply is improper.
3.verify the machine that all buttons are visible.
4.verify the indicator light that the machine is turned ON
after switching on power supply.
5.Verify the machine when there is no water.
6.verify the machine when there is no coffee powder.
7.Verify the machine when there is no milk.
10.Verify the machine when there is no sugar.
8.Verify the machine operation when it is empty.
9.Verify the machine operation when all the ingredients are
upto the capacity level.
10.Verify the machine operation when water quantity is less
than its limit.
11.Verify the machine operation when milk quantity is less
than its capacity limit.
12.Verify the machine operation when coffee powder is less
than its capacity limit.
13.verify the machine operation when sugar available is
less than its capacity limit.
14.Verify the machine operation when there is metal piece
is stuck inside the machine.
15.verify the machine by pressing the coffee button and
check it is pouring coffee with appropriate mixture and
taste.
16.verify the machine by pressing the Tea button and check
it is pouring Tea with appropriate mixture and taste.
17.It should fill the coffee cup appropriately i,e quantiy.
18.verify coffee machine operation with in seconds after
pouring milk,sugar,water etc.It
should display message.
19.Verify all the buttons operation.
20.Verify all the machine operation by pressing the buttons
simaltaneously one after the other.
21.Verify the machine operation by pressing two buttons at
a time.
22.verify the machine operation at the time power
fluctuations.
23.Verify the machine operation when all the ingredients
are overloaded.
24.Verify the machine operation when one of the ingredient
is overloaded and others are upto limit.
25.Verify the machine operation when one or some of the
parts inside the machine are damaged.

Answer / thirumala naidu

1. It should have good look and feel .
2. it should be at comfortable height to use.
3. Button should be flexible to press.
4. button shouold work once we press the button and
correct quantity of coffee should come out
5. It shuld have some stand to keep coffee cup.
6.It should work well to mix the powder and water.
7. It should give the proper heated coffe when we press the
button.

If I am wrong please let me know.

Answer / rk

1. It should have correct mix of tea powder,sugar and milk.
2. Tea/coffe should be comfortable hot to drink.
3.Tea/coffe should fill cup correctly.
4. What ever u press like tea, milk, coffee, it should give
the same.

I these are the function test cases for coffee machine.

Answer / nandu

shiva is a hero.....

Answer / michael

Hi Shiva,
you have done a great job.and u r the perfect in writing
test cases

Answer / puja

Hi Shiva,

The test cases which you given for coffee machine is really
gud,till now i dont hav much idea abt testing.Now i got
clear picture in my mind abt how to test objects.Thanking
you very much and keep Ans the qustions.

pooja

Answer / rituparna

1.It should ask to display your ID card before dispensing
coffee.(This is to avoid un authorised use of the machine)
2.The should provide different choice of drinks viz
Tea,Soup etc.
3.The buttons should be easy to operate.
4.When one press the coffee button,the machine should ask
to show the ID card and then only it should dispense coffee.
5.Machine should store coffee powder & hot water in
different compartments.
6.These two materials shouls be dispensed in proper
proportion.
7.When one press COFFEE button,only coffee should be
dispensed( and not the other drink.)
8.It should be hot enough.
9.Machine should raise a alarm when one of the ingredients
is running out of stock.
10.It should dispense the coffee in proper pre defined
quantity.
11.Machine should have a stand to hold the cup.

Answer / deepak rawat

1. Verify it should have good look and feel.
2. Verify the logo of manufactured company like Nescafe.
3. Verify the trade marks like ISI mark.
4. Verify it follows the GUI guidelines so that user does
not face any issue while using it.
5. Verify it should be at comfortable height to use.
6. Verify the machine that all buttons are visible.
7. Verify all the buttons operation.
8. Verify the coffee machine is working properly or not by
switching ON power supply.
9. Verify the coffee machine when power supply is improper.
10. Verify the indicator light that the machine is turned ON
after switching on power supply.
11. Verify the machine operation when it is empty.
12. Verify the machine when there is no water.
13. Verify the machine when there is no coffee powder.
14. Verify the machine when there is no milk.
15. Verify the machine when there is no sugar.
16. Verify the machine operation when water quantity is less
than its limit.
17. Verify the machine operation when milk quantity is less
than its capacity limit.
18. Verify the machine operation when coffee powder is less
than its capacity limit.
19. Verify the machine operation when sugar available is
less than its capacity limit.
20. Verify the machine operation when there is metal piece
is stuck inside the machine.
21. Verify the machine by pressing the coffee button and
check it is pouring coffee with appropriate mixture and taste.
22. Verify the machine by pressing the Tea button and check
it is pouring Tea with appropriate mixture and taste.
23. Verify it should fill the coffee cup appropriately i.e.
quantity of coffee should not be overflowed.
24. Verify coffee machine operation within seconds after
pouring milk,sugar,water etc.It should display message.
25. Verify all the machine operation by pressing the buttons
simultaneously one after the other.
26. Verify the machine operation by pressing two buttons at
a time.
27. Verify the machine operation at the time power fluctuations.
28. Verify the machine operation when all the ingredients
are overloaded.
29. Verify the machine operation when all the ingredients
are up to the capacity level.
30. Verify the machine operation when one of the ingredients
is overloaded and others are up to limit.
31. Verify the machine operation when one or some of the
parts inside the machine are damaged.
32. Verify the machine does not have leakage issue.

Answer / veera

Hi shiva

Thanks for your reply now i have a rough idea on how to
write test cases.Can u explain where is equivalence
partitioning is used with an example?

Answer / shyamal.delhi.home

shiva u have written good test case for coffee machine.keep
on writting on different application.it really helps to
those who r biggners in testing field.thanks a lot.keep it
up.

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