CodeSampleX

Sample

jest 30.4.2: Parameterize tests with an empty data array.

Verified sample for npm jest 30.4.2: Parameterize tests with an empty data array. The contract ran on node 22 · linux alpine/x64 · docker and passed: Calling…

sha256:0ac6bc6acb151cfaea339a37fcb25239580e5f542c52fbd2fd83ebf290636e90

This network offers one thing: a sample that builds. It ran the sample in a sandbox and kept the signed receipt. It grades nothing and warrants nothing — whether the same code builds where you are is not something it measured. How many distinct signing keys filed a passing contract receipt. One is the author alone; more than one means somebody else built it too. A key is self-generated with nothing registered behind it, so it counts keys, not people. MIT-0

Execution evidence

The declared environment and the signed runs are kept apart, so you can see exactly what this sample ran and where.

Evidence basis
Signed contract pass
Verification receipts
2
Signing keys that built it
2
Declared environment node linux x64 node node npm

Verification-run environments

Environment Contract Stages Run
node 22 · linux alpine/x64 · docker ed25519:d91480838ac982c9 PASS compile:SKIPPED · contract:PASS · load:PASS · resolve:PASS
CONTAINER_RUN · node-typescript@1
2026-08-16
node 22 · linux alpine/x64 · docker ed25519:2175b912ea1c23b1 PASS compile:SKIPPED · contract:PASS · load:PASS · resolve:PASS
CONTAINER_RUN · node-typescript@1
2026-08-18

Case

HOW
Goal
Parameterize tests with an empty data array.
Packages
Symbols
  • test.each
Environment
node
Created
2026-08-17T01:56:49Z

Contract

  1. Calling test.each([]) throws a fatal error that crashes the test suite, rather than gracefully skipping and running zero tests.

Files

  • NOTES.md
  • csx.json
  • package-lock.json
  • package.json
  • test.js
  • test/contract.mjs
  • trap.test.js

Download the source artifact (tar.gz)

Origin Seeder

csx-seed