1) Check whether all the supported Environments of the application are supported by the Automation Tool
2) Check whether items are well identified, when compared to other tools. Try to spy objects for different screens in Different Automation tool and note down how many sample objects were identified and how many not identified for specified tool (Some tiresome work but benificial)
3) Check how the performance is for particular Tool on heavy load. (Example - in QTP object repository file of more than 50 MB performs slow)
2) Check whether items are well identified, when compared to other tools. Try to spy objects for different screens in Different Automation tool and note down how many sample objects were identified and how many not identified for specified tool (Some tiresome work but benificial)
3) Check how the performance is for particular Tool on heavy load. (Example - in QTP object repository file of more than 50 MB performs slow)