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Pairwise Testing

Online Tool for Combinatorial Test Case Generation

Pairwise (a.k.a. all-pairs) testing — is an effective test case generation technique that is based on the observation that most faults are caused by interactions of at most two factors. Pairwise-generated test suites cover all combinations of two therefore are much smaller than exhaustive ones yet still very effective in finding defects.

Learn more about all-pairs theory
Learn more about implementation (allpairspy)
Look for other pairwise tools

How to use?

  1. Enter comma separated values in textarea on the left side of the screen.
    For example:
    Chrome, Firefox, Opera, Safari
    Windows, Linux, MacOS
    Wi-Fi, LTE, Fast 3G, Slow 3G

  2. Press "Generate pairs" button

  3. Generated all-pairs will appear.
    For example:
    Chrome, Windows, Wi-Fi
    Firefox, Linux, Wi-Fi
    Opera, MacOS, Wi-Fi
    Safari, MacOS, LTE
    Safari, Linux, 3G
    Opera, Windows, 3G
    Firefox, Windows, LTE
    Chrome, MacOS, 3G
    Chrome, Linux, LTE
    Firefox, MacOS, 3G
    Opera, Linux, LTE
    Safari, Windows, Wi-Fi