1. To know negative or positive test cases first you need to know the scenarios. 2. To know negative scenarios you need to know the validations on various fields. 3. Depending on validations, choose a test design techniques to decide on the data that you are going to use while testing. 4. Form combinations on this data. 5. Rank the combinations. 6. Select the combinations for testing. 7. Write the test cases. Example: Login Screen. 1. It has two fields: ID & Password. 2. ID has to be valid employee ID (numeric) and password has to be matched with a stored one. 3. User can click on Cancel if wants to discontinue. Upon clicking on Cancel the application closes. (In case web application either browser closes or the tab closes.) 4. Upon clicking on Forgot Password link another form gets displayed. 5. Upon successful login, user gains the access of system. 6. Upon 3 consecutive unsuccessful attempts the User gets blocked, user gets appropriate message and u
Test Cases For Forget Password : 1.To check whether when we select the forgot password link it is directing to forgot password link page. 2.To check whether in that page it must ask for alternative email id to send the link 3.To check whether the link has sent to the mail to which the user has provided 4.To check whether the link can be used once once 5.To check whether when the user using the link for more than one time it should be dissolved 6.To check whether the user opens the link it should ask the security question same at the time he registered 7.To check whether the answer given by the user at that time and he has given while at the time of registering must be the same 8.To check whether the user gives any wrong answer then it must ask for the user to wait and to get more details to get his password 9.To check whether the user gives the correct answer then the link should move to new password page 10.To check whether the user enters the new password and retype the pass