Equivalence class partitioning – Part 1

Wow…where does the time go? I was remiss last week in posting, and it has been a month since I posted about equivalence class partitioning. So, let’s get back to it shall we? Equivalence class partitioning (ECP) is a functional testing technique useful in either black box or white box test design. A technique is a systematic…

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Exploratory Testing versus Ad Hoc Testing

A few weeks ago a read an interesting post on SQA Forums about exploratory testing. It was interesting not because there was anything ‘new’ to learn about ‘exploratory’ testing; but because it offered a compelling counter-argument to ad hoc testing. It is also a good read because it differentiates exploratory testing from ad hoc testing in…

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Boundary testing – hidden loops and the Deja Vu Heuristic

I previously discussed various types of defects exposed via application of the boundary value analysis testing technique including a repaint problem, a casting problem, and a wrapping problem. While the minimum and maximum physical linear boundaries of a parameter are often easy to identify, it is surprisingly more difficult to identify boundary conditions within the minimum and maximum…

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