Quick Test Professional QTP basics

Features & Benefits of Quick Test Pro(QTP):
1. Key word driven testing
2. Suitable for both client server and web based application
3. Vb script as the script language
4. Better error handling mechanism
5. Excellent data driven testing features

File extension of object repository file in QTP
File extension of
-- Per test object rep :- filename.mtr
-- Shared Oject rep :- filename.tsr
Code file extension id script.mts

Object Repository:
Object Repository displays a tree of all objects in the current component or in the current action or entire test( depending on the object repository mode you selected). we can view or modify the test object description of any test object in the repository or to add new objects to the repository.
Quick test learns the default property values and determines in which test object class it fits. If it is not enough it adds assistive properties, one by one to the description until it has compiled the unique description. If no assistive properties are available, then it adds a special Ordinal identifier such as objects location on the page or in the source code.