Validating a requirement

02-Oct-2017 21:32

.boxy-content a.term-action, button.term-action a.term-action:hover, button.term-action:hover .term-action-bg .term-uex .term-cite .term-fc .term-edit .boxy-dflt-hder .definition .definition a .definition h2 .example, .highlight-term a.round-btn, a.round-btn.selected:hover a.round-btn:hover, a.round-btn.selected .social-icon a.round-btn .social-icon a.round-btn:hover a.round-btn .fa-facebook a.round-btn .fa-twitter a.round-btn .fa-google-plus .rotate a a.up:hover, selected, a.down:hover, selected, .vote-status .adjacent-term .adjacent-term:hover .adjacent-term .past-tod .past-tod:hover .tod-term .tod-date .tip-content .tooltip-inner .term-tool-action-block .term-link-embed-content .term-fc-options .term-fc-options li .term-fc-options li a .checkmark .quiz-option .quiz-option-bullet .finger-button.quiz-option:hover .definition-number .wd-75 .wd-20 .left-block-terms .left-block-terms .left-block-terms li .no-padding .no-padding-left .no-padding-right .boxy-spacing @media (min-width: 768px) @media (max-width: 768px) @media print { a:link:after, a:visited:after nav, .term-action, #wfi-ad-slot-leaderboard, .wfi-slot, #related-articles, .pop-quiz, #right-block, .This is a second tutorial in our ‘free online software testing training on a live project’ series.Functional tests are essentially derived from requirements, and these requirements could be incomplete, incorrect, or over-specified.This makes it difficult for functional verification techniques to detect errors that stem from flaws in the requirements themselves.If they can’t get the information they need, the developers have to make their own interpretations, which aren’t always correct.

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However, there is a last-minute glitch: the system demonstrated unexpected behavior where the speed threshold criteria was unsatisfied in the production code. The team followed the standard verification process: So, why didn’t functional testing predict this unexpected behavior?

This paper will review the evolution of validation techniques and their current status in Requirements Engineering (RE).