State the process of White box testing

White box testing:  This method, also termed as glass box testing, is performed early in testing process.  By using this, software engineer can derive a tests which promises that all independent paths within module have been exercised at least once.  It has below features: 

i)  Exercise all logical decisions on their false and true sides. 

ii)  Exercise internal data structures to assure their validity.

iii)  Execute all loops at their boundaries and within their operational bounds.