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rose-ash/lib/js/test262-scoreboard.md
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js-on-sx: Object.prototype.toString dispatches by [[Class]]
Was hardcoded to "[object Object]" for everything; per ES it should
return "[object Array]", "[object Function]", "[object Number]",
etc. by class. Added js-object-tostring-class helper that switches
on type-of and dict-internal markers (__js_*_value__,
__callable__). Prototype-identity checks ensure
Object.prototype.toString.call(Number.prototype) returns
"[object Number]" (similar for String/Boolean/Array).
built-ins/Array: 18/45 → 20/45, built-ins/Number: 43/50 → 44/50.
conformance.sh: 148/148.
2026-05-08 04:26:37 +00:00

634 B

test262 scoreboard

Pinned commit: d5e73fc8d2c663554fb72e2380a8c2bc1a318a33 Wall time: 57.4s

Total: 44/50 runnable passed (88.0%). Raw: pass=44 fail=3 skip=0 timeout=3 total=50.

Top failure modes

  • 3x Timeout
  • 3x Test262Error (assertion failed)

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

Category Pass Fail Skip Timeout Total Pass %
built-ins/Number 44 3 0 3 50 88.0%

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

built-ins/Number (44/50 — 88.0%)

  • 3x Timeout
  • 3x Test262Error (assertion failed)