How to test the app in iPad?

I am writing a iPhone program and testing it i开发者_StackOverflow中文版n the iPhone simulator. Can I test the app in the iPad simulator?

Yes! To do this I can open the iPhone Simulator and from Hardware menu, choose Device then iPad.
If you have a big screen you can see the iPad Simulator more little then normal, scaled at 50%.
If you want to see it at 100%, go to Window menu, choose Scale and then select 100%.
Now return in Xcode and Build you application :)