Lecture 7

In: Business and Management

Submitted By CSKMS
Words 531
Pages 3

Srihari Techsoft

Software Testing
An overview

Srihari Techsoft




Srihari Techsoft

Black box testing
• No knowledge of internal design or code required.
• Tests are based on requirements and functionality
• White box testing
• Knowledge of the internal program design and code required. • Tests are based on coverage of code statements, branches, paths, conditions.

Srihari Techsoft

Black Box - testing technique
• Incorrect or missing functions
• Interface errors
• Errors in data structures or external database access
• Performance errors
• Initialization and termination errors



Srihari Techsoft

Black box / Functional testing

Based on requirements and functionality

Not based on any knowledge of internal design or code

Covers all combined parts of a system

Tests are data driven

Srihari Techsoft

White box testing / Structural testing
• Based on knowledge of internal logic of an application's code
• Based on coverage of code statements,

branches, paths,

• Tests are logic driven



Srihari Techsoft

Functional testing
• Black box type testing geared to functional requirements of an application. • Done by testers.
System testing
• Black box type testing that is based on overall requirements specifications; covering all combined parts of the system.
End-to-end testing
• Similar to system testing; involves testing of a complete application environment in a situation that mimics real-world use.

Srihari Techsoft

Sanity testing
• Initial effort to determine if a new software version is

performing well enough to accept it for a major testing effort.

Regression testing
• Re-testing after fixes or modifications of the software or its




Srihari Techsoft

Acceptance testing
• Final testing based on specifications of the end-user or


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