dubzzz / fast-check

Property based testing framework for JavaScript (like QuickCheck) written in TypeScript

https://fast-check.dev/

dubzzz/fast-check Issues

Not sure worker properly support fc.pre
Closed 12 days ago1
Running `import { test, fc } from '@fast-check/jest';` results in error reading properties of undefined in jest
Updated 14 days ago6
Better interrupt CJS-ESM as we provide both in our bundle (Symbol.for switch)
Closed 15 days ago1
Add an `fc.double`/`fc.float` variant that strictly produces non-integers
Closed a month ago11
Better typings for record in v4
Updated a month ago4
Generate a single value
Closed a month ago1
Modify `fc.webPath` to be able to generate paths starting with `//`
Closed a month ago19
Add `waitUntilNextScheduling`
Updated a month ago
Connect `filter` to rejection mechanisms like `fc.pre` does
Updated a month ago
Problem when mixing local project moduleResolution nodenext and a 3rd party package using fast-check
Closed 4 months ago9
Make `fc.constantFrom` use `const` generics
Updated 2 months ago6
Support multiple PRNG when generating values from the Workers
Updated 2 months ago
fc.float unexpectedly yields NaN
Closed 2 months ago2
Better waitAll on scheduler
Updated 3 months ago2
Add some kind of `waitAtLeastOneScheduled` on scheduler
Updated 3 months ago
Allow specifying max number of shrinks per test
Updated 4 months ago5
Add https://github.com/Effect-TS/schema in ecosystem part
Closed 4 months ago
Maybe an issue in the test of urls
Closed 4 months ago
Investigate flaky run on double in CI
Closed 4 months ago
Flaky double test: Should be able to generate
Closed 4 months ago1
Confusing or typo text on Getting Started page
Closed 4 months ago3
TypeError: Cannot read properties of undefined (reading 'arbitrary') for FrequencyArbitrary.js:83:65
Updated 4 months ago4
Run knip to detect potential dead code
Closed 5 months ago
Pass predicate's input to beforeEach and afterEach hooks
Updated 5 months ago1
Check requirements for dropping type
Updated 5 months ago
`fc.pre` doesn't work as expected when used with `@fast-check/ava`
Closed 5 months ago11
Error with cause by default for v4
Closed 6 months ago1
Better waitFor on scheduler
Updated 6 months ago1
Faster property.run
Closed 6 months ago
Cannot configure `eslint-plugin-jest`'s `expect-expect` and `no-standalone-expect` rules to recognize `test.prop`
Updated 6 months ago5
Improve security against supply chain attacks
Closed 6 months ago6
Faster build/test/...
Closed 6 months ago1
Update README with import instead of require
Closed 6 months ago
Give fc.statistics a return value
Updated 7 months ago2
in place modification of array confuses shrinking and its output
Closed 7 months ago4
Faster execution by proposing an alternative to barrel files
Updated 7 months ago2
First digit dropped from path?!
Closed 7 months ago3
Support replay on gen with deep paths
Updated 7 months ago
Find a way to trim the path at report time or tell the user to do so when there is a gen somewhere
Updated 7 months ago
Check even faster yarn caching
Closed 7 months ago
Group expensive checks on arbitraries
Closed 7 months ago1
Make packaged faster for faster CI
Closed 7 months ago
FC with Jest: Cannot read properties of undefined (reading 'generate')
Closed 8 months ago3
TypeScript types are broken under Node native ESM
Closed 8 months ago10
Bug reported by the CI
Closed 9 months ago
Bug reported by the CI on `date`
Closed 9 months ago
Exclusive min/max for number arbitraries
Closed 9 months ago4
Shrinker never stops when there is the value that is not controlled by the generator
Closed 9 months ago3
Flaky test
Closed 10 months ago
Prettify the counter example output
Updated 10 months ago1