High Level Test Cases and Low Level Test Cases

Answer
# 1 Before I am going to explain you about high level
Testcases,I would like to share with you,what testcases we
will cover under high livel test cases and low level test
cases respectively.

Write all the testcases under high level TC,which can be
covered the main functionalities like
creation,edition,deletion,etc....as per prescribed in the
screen.
Wrtie all the testcases under low level TC,which can be
covered the screen,like input fields are displayed as per
the requirements,buttons are enabled or disabled,and
testcase for low priority functionalities.

Example a screen contains two edit boxes login and password
and a pust buttons OK and Reset and check box for the
label "Remember my password".Now let us write high level TC
and low level test cases.

HIGH LEVEL TC
--------------
1.Verify that User is able to login with valid login and
valid password.
2.Verify that User is not able to login with invalid login
and valid password.
etc...
..
..
3.Verify that Reset button clears the filled screen.
4.Verify that a pop up message is displayed for blank login.
etc...
etc..

LOW LEVEL TC
--------------
1.Verify that after launching the URL of the application
below fields are displayes in the screen.
1.Login Name 2.Password.3.OK BUTTON 4.RESET button etc..
5.check box,provided for the label "remember my pwd" is
unchecked.
2.Verify that OK button should be disabled before selecting
login and passwrod fields.
3.Verify that OK button should ne enabled after selecting
login and password.
4.Verify that User is able to check the check box,provided
for the label "remember my pwd".
etc..etc...

In this way,we can categorise all the testcases under HIGH
LEVEL and LOW LEVEL.