I think it's this: http://www.aspiringminds.com/technology/automata

"Automata is world's most advanced and only programming assessment that uses machine learning for grading programs."

"It can be combined with our technology specific modules such as those in Websphere, Power Builder and Java Swings, to form a powerful suite to test candidates for different positions."

That pretty much sums up anything you might want to know about the nature of the test.

Probably the latter