test262
Official ECMAScript Conformance Test Suite
Tech stack & purpose
Test262 is the official ECMAScript conformance test suite maintained by TC39, containing over 50,000 test files designed to verify compliance with the ECMA-262, ECMA-402, and ECMA-404 specifications. The project aims to provide comprehensive test coverage of every observable behavior specified in the ECMAScript standards, and welcomes contributions from proposal champions, JavaScript engine implementers, and community members. Test262 is written in JavaScript and includes supporting tools built with Python and Node.js, such as test runners for various platforms (Node.js, Python, web, C++, and .NET) and utilities for generating regexp tests and mapping tests to web developer-facing features in collaboration with the W3C WebDX Community Group.
Languages
Contributors (top 30 of 313)
- Leo Balter807 commits
- Rick Waldron798 commits
- André Bargull688 commits
- Philip Chimento595 commits
- Mike Pennisi431 commits
- Alexey Shvayka318 commits
- Leonardo Balter275 commits
- Brian Terlson263 commits
- David Fugate242 commits
- Ms2ger228 commits
- test262-automation205 commits
- Frank Yung-Fong Tang178 commits
- Tim Chevalier153 commits · 109 followers
- Richard Gibson127 commits
- jugglinmike108 commits
- Mark Miller90 commits
- Caio Lima86 commits
- Jordan Harband76 commits
- Frank Tang76 commits
- Valerie R Young73 commits
- Gorkem Yakin73 commits
- Kevin Gibbons72 commits
- Daniel Ehrenberg71 commits
- Mathias Bynens70 commits
- rwaldron65 commits
- Jesse Alama55 commits · 133 followers
- Nicolò Ribaudo50 commits
- Ioanna M Dimitriou H48 commits
- Shu-yu Guo45 commits
- Ioanna M. Dimitriou H.45 commits
