Test case for withdraw module in banking project and sending of the emails.

Test case for withdraw module in banking project

Step1: when the balance in the account is nil, try to withdraw some amount (amount>0) should display msg as " insufficient funds in acc"
Step 2: when the account has some balance amount, try to withdraw amount(amount>balance amount in account), should display "insufficient funds in acc"
Step 3: when the account has some balance amount, enter a amount (amount<=balance amount), should withdrawn correct amount from account.
Step 4: when the account has some balance amount, enter the amount as 0, should display msg as withdrawal amount should be > 0 and should be in multiple of hundreds( varies depending on reqs docs).
In the case of Minimum balance mandatory in the Account:
Step 5: When the account has balance amount, try to withdraw whole amount , should display msg as " Minimum balance should be maintained".
Step 6: When the account has balance amount=minimum balance, try to withdraw any amount , should display msg as " Minimum balance should be maintained".

Test cases for sending of the emails?

For testing sending an email you can write test cases for.
1) Performance: By using connections from different ISP's i.e. the speed.
2) If your email id is POP compliant, then check if you can sent it using email clients.
3) If you email can be sent using an attachment.
4) Maximum attachment limit.
5) Maximum mail size.
6) Sending to valid / invalid id's if mail is received / bounced back respectively.