Combinatorial Testing: Managing Configuration Explosion with Pairwise, Orthogonal Arrays and PICT
Pairwise testing cuts the cost of every-combination testing by putting every value pair of any two parameters side by side in at least one test; it rests on the assumption that most bugs come from one parameter or the interaction of two. In Bookstore's checkout, each choice's three tests missed the missing English store pickup template; the 11 rows PICT generated from a constrained model caught it. t-wise, orthogonal arrays, seeds, oracles and Playwright projects.
15 Nov 2026
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12 min
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