Php validating numeric input itemupdating which
Computing environment may contain some or all of the below mentioned elements: Installation Testing System testing conducted once again according to hardware configuration requirements.
Installation procedures may also be verified Functional Testing It checks that the functional specifications are correctly implemented.
Done to verify if it satisfies its functional specification or its intended design structure.Usability Testing = (Testing the ease with which users can learn and use a product.) Usability testing is a technique used to evaluate a product by testing it on users.This can be seen as an irreplaceable usability practice, since it gives direct input on how real users use the system. Verifies ease of learning the software, including user documentation.The Tools used in Unit Testing are debuggers, tracers and is done by Programmers.Integration Testing Testing the related modules together for its combined functionality.