Below are scenerios for Login Screen
Positive Scenerios
* Correct User name and Correct Password
Negative Scenerios
* Wrong User name and Correct Password
* Correct User name and Wrong Password
* Wrong User name and Wrong Password

1. Check screen has text box for 'User Name' and 'Password'
2. Check screen has 'Submit' button
3. Check spelling for all labels on screen
4. Check labels, text box and button is properly aligned
5. Enter username and password in text boxes
6. Make sure password is shown in encrypted form (Ex: ****)
7. After entering username and password, click on 'Submit' 
button
8. Validation testing: 
a. Enter some garbage value in 'User Name ' and 'Password' 
fields (ex: !!!!)
b. Click on 'Submit' button
c. Application should through some valid validation message 
for invalid entry
9. Database Testing:
a. If entry is correct (according to database) entry should 
get save in database. Test database.
 b. On click of  ‘Submit’ button, check if user  get moved  
to next page

Enter currect passward and user name then check whether the 
next page loaded or not

Precondition: Field "user name" (Text)
              Field "password" (Text) &
Command button "Submit/Ok" should be in active state and 
functional.

Brosers: The appearance of the fields and button should be 
well and proper in the different browsers.

(1)Keep all the fields blank and click on submit button,
Error message logic should be implemented.
(2)Keep the first field blank and enter the any value in 
the second field must lead to the error message and the 
same error message when enter the first field
and keep blank the second field.
(3)Enter invalid values in both the fields and click on 
submit button. Error message should appear.
(4)Enter the user name and password less or more than 
numbers of define characters. Error message should be 
generated.
(5)Enter the correct user name and password and click on 
submit button, application should allow the user to enter 
into the application & welcome or second page should 
display successfully.
(6)Copy the link of the lastest page and enter into the URL 
should not allow the user to enter into the application, 
either error page or login window should appear 
successfully.

Data base:
If the entered values in both the fields; fulfills the 
condition to prove user authorisation
it should store into the data base.

log in with valid username & password
1) login with invalid username & password
2) login with invalid username & valid pasword
3) login with valid username & invalid password
4) login with valid username & valid password
 If any mistakes is their please excuse

Positive Scenerios
* Correct User name and Correct Password
Negative Scenerios
* Wrong User name and Correct Password
* Correct User name and Wrong Password
* Wrong User name and Wrong Password
* Correct User name and blank password
* Blank username and correct password
* Blank username and Blank password