Software testing is used for verification and validation of software products. Although various kits are available for testing, testing is always done with  Software Testing Test . Usage of software testing test is usually technically complex. So software testing test has developed into a specialty in computer technology. There are various approaches to testing that is differentiated by the design of test cases. The methods fall into two kinds. They are called black box testing and white box testing. In the former type minimum data is provided and the tester eliminates possibilities. In the latter maximum data is given and the tester has to fit in the best alternative available.