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rose-ash/lib/js/test262-scoreboard.md
giles 96a7541d70
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js-on-sx: Object(null) and Object(undefined) return new empty object
Per ES spec, Object(value) returns a new object when value is null
or undefined. Was returning the argument itself, breaking
Object(null).toString(). Added a cond clause to Object.__callable__
that detects nil/js-undefined and falls through to (dict).
built-ins/Object: 15/50 → 16/50. conformance.sh: 148/148.
2026-05-07 21:19:43 +00:00

823 B

test262 scoreboard

Pinned commit: d5e73fc8d2c663554fb72e2380a8c2bc1a318a33 Wall time: 158.2s

Total: 78/99 runnable passed (78.8%). Raw: pass=78 fail=15 skip=1 timeout=6 total=100.

Top failure modes

  • 13x Test262Error (assertion failed)
  • 6x Timeout
  • 1x ReferenceError (undefined symbol)
  • 1x SyntaxError (parse/unsupported syntax)

Categories (worst pass-rate first, min 10 runnable)

Category Pass Fail Skip Timeout Total Pass %
built-ins/String 78 15 1 6 100 78.8%

Per-category top failures (min 10 runnable, worst first)

built-ins/String (78/99 — 78.8%)

  • 13x Test262Error (assertion failed)
  • 6x Timeout
  • 1x ReferenceError (undefined symbol)
  • 1x SyntaxError (parse/unsupported syntax)