hedgehog

Hedgehog will eat all your bugs. https://hedgehog.qa

Latest on Hackage:0.1

This package is not currently in any snapshots. If you're interested in using it, we recommend adding it to Stackage Nightly. Doing so will make builds more reliable, and allow stackage.org to host generated Haddocks.

BSD3 licensed by Jacob Stanley
Maintained by Jacob Stanley

hedgehog Hackage version Build Status

Hedgehog will eat all your bugs.

Hedgehog is a modern property-based testing system, in the spirit of QuickCheck. Hedgehog uses integrated shrinking, so shrinks obey the invariants of generated values by construction.

Features

  • Integrated shrinking, shrinks obey invariants by construction.
  • Generators allow monadic effects.
  • Range combinators for full control over the scope of generated numbers and collections.
  • Equality and roundtrip assertions show a diff instead of the two inequal values.
  • Template Haskell test runner which executes properties concurrently.
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