Logic: I suggest you create an account through test class with Name as India and then use assert to check the value of NumberofEmployees field to see if it updates to 10.
Sample Code available on the following link : http://www.salesforce.com/us/developer/docs/apexcode/Content/apex_testing_example.htm
Logic: I suggest you create an account through test class with Name as India and then use assert to check the value of NumberofEmployees field to see if it updates to 10.
Sample Code available on the following link : http://www.salesforce.com/us/developer/docs/apexcode/Content/apex_testing_example.htm