4. V Model The model is valuable because it highlights the existence of several levels or phases of testing and depicts the way each relates to a different development phase .
5. Static and Dynamic Testing Static Dynamic Reviews Walkthrough Desk Check Inspection Exploratory Integration Usability Unit Volume Performance Reliability Security Stress Configuration Recovery Documentation Localization UAT Installability WHITEBOX BLACKBOX System
6.
7. Testing Phases Unit testing is code-based and performed primarily by developers to demonstrate that their smallest pieces of executable code function suitably. Integration testing demonstrates that two or more units or other integrations work together properly, and tends to focus on the interfaces specified in low-level design. System testing demonstrates that the system works end-to-end in a production-like environment to provide the business functions specified in the high-level design. Acceptance testing is conducted by business owners and users to confirm that the system does, in fact, meet their business requirements.
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