ScalaCheck

Property-Based Testing

ScalaCheck: Property-Based Testing for Scala Deep Dive

ScalaCheck brings Haskell's QuickCheck to the JVM, leveraging Scala's type system and functional programming features. This deep dive covers advanced Gen combinators, Arbitrary instances, stateful Commands testing, and integration patterns with Scala's major test frameworks. ScalaCheck Architecture ScalaCheck is built around three core concepts:

Testing

ScalaCheck Advanced Generators: Custom Gen, Shrink, and Stateful Testing

ScalaCheck's basic API — forAll, Gen.choose, Arbitrary — covers most property-based testing needs. But real production code involves domain types, complex constraints, and stateful systems. This guide covers the advanced ScalaCheck features that handle those cases: custom generators with combinators, custom Shrink instances, and the Commands API for