Tag "software testing theory"

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Definitions and Meaning: Error, Fault, Failure and Defect

Note: the article was updated in March 2019. The assurance of continuous software functioning is based on the absence of all possible errors, defects, failures and faults, commonly named in

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White Box Test Techniques. Data Flow Testing

Design Test cases should be designed to execute control flow paths between definitions and uses of variables in the component. Every test case should comprise: input to the component control

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Black Box Test Techniques. Random Testing

Design Test cases should be chosen randomly from the input domain of the component according to the input distribution. The input distribution which used for the test case suite should

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Assessing Bug Priority and Severity

Majority of bug databases, whether developed in-house or through third-party tools, have some fields that can be filled in-title, priority, severity, opened by, assigned to, and so on. I vigorously

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Useful Tips for Choosing a Test Automation Tool

For Functional testing it is important to support a specific development environment, the ability to create reports about testing, automatic registration of detected defects, presence of recovery-scenarios. For load testing

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Statistics of Errors in the Code

According to western experts, the programmer makes a mistake on average once at five lines of code (including erratum). Approximately 90% of these errors is corrected by the programmer, the

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What is Component Testing?

ISTQB Glossary gives us the following definition: Unit Testing (module testing): See component testing Component testing: Testing of individual software components (according to IEEE 610) Component: The smallest element of

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Myths and Facts: Purpose of Software Testing

Note: the article was updated in March 2019. What type of people do you belong to: those who believe that software testing plays in favor of their product, or those

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Do you consider yourself an expert in testing?

Note: the article was updated in August 2018. What distinguishes an ordinary tester from an expert? What knowledge and skills a professional QA engineer should possess? How to become a

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Analysis of Dynamics of Critical Defects

Over time the number of errors in the test program becomes less and at some point it has become necessary to terminate software testing. Determine this point is not so

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What is the Main Aim of Software Tester?

“The main activity of testers is that they provide to the project participants of development software negative feedback on the quality of the product.” D. Spolsky recently described the same

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