
fast-check
7.1#1 in property-based testing toolsFree planFree planWebAPILinuxSelf-hosted
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| Fact | fast-check | SwiftCheck |
|---|---|---|
| Integrations | The ecosystem lists official integrations for AVA, Jest, and Vitest, along with connectors for libraries such as Zod and io-ts. | The README documents installation through Swift Package Manager, Carthage, CocoaPods, or by adding the Xcode project as a framework. |
| Purpose | fast-check is a property-based testing library for JavaScript and TypeScript that generates inputs, runs assertions over many cases, and shrinks failures to smaller counterexamples. | SwiftCheck is a Swift testing library that automatically generates random data to test program properties. |
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It suits JavaScript and TypeScript developers who want to check behavior across generated inputs, including stateful scenarios. Its runner-agnostic design can fit projects using a range of test runners.
It suits Swift developers who want QuickCheck-style property testing with XCTest. It is useful when generated inputs and reduced failing cases fit a project’s testing approach.