Hi.Everybody!

1) Open your account, And se whether its opening correct 
account or not,

2) After Entring into ur account , check for its showing ur 
new email or not. Date order.
3) And send a email to any email ID and check whether its 
sending mail or not, If not take the reasons.
4) Check in ur account all features are visible or not.
5)Send attach file and see ite working properly or not.


Actually, there can be many cases.And ur question is not so 
clear,

Thanks,
Satish
Pla tell me if iam not correct.
Satish_kinfo@yahoo.co.in

1.Enter ID and P/W under Sign in block home page.
Check whether its taking to new page with your account name
2.Enter correct ID and wrong P/W or vice versa under home 
page.
Check whether it throws an error if it does not matches 
with the record in DB.
3.Check whether Forgot ID or password and Helpd links 
working fine. Whether are they taking to related pages.
4. Check with Sign up link, whether it is taking to the new 
page requesting information to enter for creating new 
account.

1.Enter ID and Password Sign in block  page.
Check  its taking to new page with your a/c name
2.Enter correct ID and wrong Password or  under home 
page.
Check it throws an error if it does not matches 
with the .
3.Check whether Forgot ID or password and Helpd links 
working fine. Whether are they taking to related pages.
4. Check with Sign up link, whether it is taking to the new 
page requesting information to enter for creating new 
account.

GUI test case
Check for the of the fields as per the Fileds table 
(mention the fields and every thing within a FIELDS TABLE)
Check for the allignments of the Page
Check for the Spellingmistakes.
Check for the Colour of the PAGE
Positive testcase:
Click on SIGIN button.
Enter the Valid Username and password and click on the 
LOGIN button as per the LOGIN TABLE(mention the VALID ID's 
And passwords in a table)
Click on SIGN UP button.
Click on "Forget your ID or password" so that it helps you 
to provide the password settings screen
Negetive testcase:
Enter the INValid Username and password and click on the 
LOGIN button as per the LOGIN TABLE(mention the VALID ID's 
And passwords in a table)
Click on SIGNIN button without enetring USRNAME AND 
PASSWORDS.

1.Open IE.
2.Blank page should be displayed.
3.Enter URL of yahoomail.
4.yahoomail home page is not opened due to the wrong URL 
link.
5.Yahoomail home page is opened by writing URL properly.
6.check whether the cursor is pointed in Userid textbox 
after opening home page.
7.check whether the cursor points in password field after 
filling Userid.
8.type the password in the text box which should be 
displayed in encrypted form.
9.After filling these two text boxes,the sign-up buttton is 
to be highlighted.
10.After successful userid and password,the corresponding 
page is going to be navigated.

If its GUI then the test case are

-ckech for the availability of the fields as mentioned in 
the requirement
-check for the allignments
-ckeck for the spelling mistakes.
-check fo rthe availability of screen colours,visibilty or 
viewing prospective to the users
-check for the link pages whether they are highlighted or 
not if the cursor stands on it.
-check whether the cursor is placed in the username filed