Test262

Test262 is the official test suite of the ECMAScript specification. To ensure conformity with the specification and prevent regressions, we continuously test Nova against the test suite and track the results. Below is a chart showing the test results of the latest commits to Nova.

Pass Skip Timeout Unresolved Fail Crash f794db6 376094b 7af9098 876ee42 5405bf3 cd395e0 b9681f2 50414fa 2b98f83 fa140b8 6e479f2 1430fa4 b25677c f6da795 dd298e9 3fe843e 815bc72 08d14ac 701e843 3caa543 c7920fb 08ac2ab 260683f 97f1b85 c0cc1e5 f15d91c 26a5a4f c759b83 6a03b95 8f527ff 1922dbe c0a5062 0 10 20 30 40 50 60 70 80 90 100 0 10 20 30 40 50 60 70 80 90 100
fix(ecmascript): Minor crash issues (#751) * fix(ecmascript): Array.prototype.copyWithin crashes on negative copy counts * fix(ecmascript): Object.prototype.toString for Proxy and other annoying objects * feat(ecmascript): %IteratorPrototype%[Symbol.toStringTag] * feat(ecmascript): Iterator[Symbol.toStringTag]
At 2025-06-06 14:11:35 commit a524c8c7ccf680710f3ceb9683f8279bb7894b96
PassSkipTimeoutUnresolvedFailCrash
33522 (67.3%)2676 (5.4%)4 (0.0%)0 (0.0%)11865 (23.8%)1707 (3.4%)

A more detailed breakdown of the current test results can be viewed on test262.fyi.