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Uploaded byBharath K
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Software testing

This document discusses software testing and its objectives, which include uncovering errors, preventing defects, and matching requirements specifications. It defines key terms like error, bug, fault, and failure. It also covers software development life cycles and models like Waterfall, Spiral, and Incremental. Finally, it discusses test plans, cases, methodologies like black box and white box testing, different testing levels from unit to system, and types of system testing.

Technology◦
Related topics:
Software Testing Insights•Software Engineering•Insights on Software Development•Manual Testing Insights• Automation Testing•
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Software Testing By, Namrata
Introduction Software Testing is a method to check whether the actual software product matches expected to ensure that software product is defect free.
Objectives  Uncover Errors.  Prevent defects.  Match Requirement Specification.  Gaining confidence about the level of quality.
Error, Bug, Fault & Failure  Error: It is a human action that produces the incorrect result that produces a fault.  Bug: The presence of error at the time of execution of the software.  Fault: State of software caused by an error.  Failure: A failure is the inability of a software system or component to perform its required functions
SDLC  Software Development Life Cycle  SDLC is a structured process that enables the production of high-quality, low-cost software, in the shortest possible production time.
WaterFall Model
Spiral Model
Incremental Model
STLC
Test Plan  A test plan is a technical documentation which details a systematic approach to testing a specific system such as a device, machine or software.
Test case  It is a specific procedure of testing a particular requirement.  It will include:  Identification of specific requirement tested.  Test case success/failure criteria.  Specific steps to execute test.  Test data.
Verification vs Validation Validation: Are we building the right product? Verification: Are we building the product right?
Testing Methodology Black Box Testing White Box Testing
Testing Levels  Unit Testing  Integrated Testing  System Testing
Types of System Testing  Alpha Testing  Beta Testing  Performance Testing  Acceptance Testing
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