1. System Testing :
System Testing is also called as the black box testing. It is perform to check whether the software or product meets the specified requirements or not. It is performed by both testers and developers. It comprises the testing’s system testing and integration Testing. It is perform through more positive and negative test cases.
2. Sandwich Testing :
Sandwich Testing is also called as the hybrid integration testing. It comprise the bottom-up approach testing and top-down approach testing, therefore it uses the advantage of both bottom up approach and top down approach. It also can not be used for those systems which have a lot of interdependence between different modules and it allows parallel testing.
Difference between System Testing and Sandwich Testing :
|S.No.||SYSTEM TESTING||SANDWICH TESTING|
|1.||System Testing comprise of System and integration testing.||Sandwich testing comprise the top-down and bottom-up testing.|
|2.||System testing follows the requirements specification.||Sandwich testing follows the specification of modules.|
|3.||System testing generally focuses on system validation.||Sandwich testing generally focuses on functional verification.|
|4.||In this, there is need of fewer resources for testing.||In this, there is need of large number of resources.|
|5.||It does not allow parallel testing.||It allows parallel testing.|
|6.||It is cost efficient.||It is not cost efficient.|
|7.||It does not matter how big project is.||It is used for very large projects having sub projects.|
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