MAX_INT (2147483647) is not handled in product and item quantity upon adding item

[dannytayjy]

Problem: MAX_INT (2147483647) is not handled in product and item quantity upon adding item

Adding MAX_INT items to an existing item (of the same expiry date) results in integer overflow and displays a negative quantity

Before Execution of Command in Command Text Box:

After Execution of Command in Command Text Box:

Actual Outcome:

• Item 1-1 now has a quantity of -2147483599
• Product 1 now has a total quantity of -2147483569

Expected Outcome:

• The program should not allow the user to enter integer that is more than MAX_INT