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js-on-sx: built-in .length returns spec-defined values
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String.fromCharCode.length, Math.max.length, Array.from.length
were returning 0 because their SX lambdas use &rest args with no
required params — but spec assigns each a specific length.
Added js-builtin-fn-length mapping JS name to spec length (12
entries). js-fn-length consults the table first and falls back to
counting real params.
built-ins/String: 79/99 → 80/99, built-ins/Array: 20/45 → 21/45.
conformance.sh: 148/148.
This commit is contained in:
giles
2026-05-08 05:01:12 +00:00
parent 8d9ce7838d
commit 0cfaeb9136
4 changed files with 74 additions and 30 deletions
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58
lib/js/test262-scoreboard.json
View File

@@ -1,45 +1,61 @@
{
"totals": {
"pass": 44,
"fail": 3,
"skip": 0,
"timeout": 3,
"pass": 21,
"fail": 17,
"skip": 5,
"timeout": 7,
"total": 50,
"runnable": 50,
"pass_rate": 88.0
"runnable": 45,
"pass_rate": 46.7
},
"categories": [
{
"category": "built-ins/Number",
"category": "built-ins/Array",
"total": 50,
"pass": 44,
"fail": 3,
"skip": 0,
"timeout": 3,
"pass_rate": 88.0,
"pass": 21,
"fail": 17,
"skip": 5,
"timeout": 7,
"pass_rate": 46.7,
"top_failures": [
[
"Timeout",
3
"Test262Error (assertion failed)",
14
],
[
"Test262Error (assertion failed)",
3
"Timeout",
7
],
[
"TypeError: not a function",
2
],
[
"Unhandled: Not callable: {:2 43 :1 42 :0 41 :length 3}\\",
1
]
]
}
],
"top_failure_modes": [
[
"Timeout",
3
"Test262Error (assertion failed)",
14
],
[
"Test262Error (assertion failed)",
3
"Timeout",
7
],
[
"TypeError: not a function",
2
],
[
"Unhandled: Not callable: {:2 43 :1 42 :0 41 :length 3}\\",
1
]
],
"pinned_commit": "d5e73fc8d2c663554fb72e2380a8c2bc1a318a33",
"elapsed_seconds": 57.4,
"elapsed_seconds": 123.5,
"workers": 1
}