# test262 scoreboard

Pinned commit: `d5e73fc8d2c663554fb72e2380a8c2bc1a318a33`
Wall time: 9007.6s

**Total:** 259/5354 runnable passed (4.8%). Raw: pass=259 fail=4768 skip=2534 timeout=327 total=7888.

## Top failure modes

- **1056x** ReferenceError (undefined symbol)
- **514x** TypeError: not a function
- **455x** Other: "Not callable: {:length 3 :0 41 :1 42 :2 43} (kont=5 frames)"
- **454x** SyntaxError (parse/unsupported syntax)
- **438x** Unhandled: Unhandled exception: \\\
- **327x** Timeout
- **322x** Test262Error (assertion failed)
- **160x** Unhandled: Not callable: \\\
- **147x** Unhandled: Not callable: {:fromCharCode <js-string-from-char-code(&rest
- **125x** Unhandled: Unexpected token: punct ','\
- **117x** Other: "Not callable: \"js-undefined\" (kont=10 frames)"
- **112x** Unhandled: expected ident in arr pattern\
- **104x** Unhandled: js-transpile-unop: unsupported op: delete\
- **74x** Unhandled: Not callable: {:isFinite <js-number-is-finite(v)> :MAX_SAFE_
- **63x** Unhandled: Not callable: {:sameValue <lambda(actual, expected, message)
- **49x** Other: "Not callable: \"ud801\" (kont=6 frames)"
- **46x** Unhandled: Not callable: {:isArray <js-array-is-array(v)> :of <js-array
- **45x** Unhandled: expected ident after .\
- **39x** Unhandled: Unexpected token: op '++'\
- **36x** negative: expected SyntaxError, got: "Unhandled exception: \"expected ident in arr pattern\""

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

| Category | Pass | Fail | Skip | Timeout | Total | Pass % |
|---|---:|---:|---:|---:|---:|---:|
| built-ins/Array | 58 | 2524 | 351 | 148 | 3081 | 2.1% |
| built-ins/Number | 9 | 252 | 57 | 22 | 340 | 3.2% |
| language/statements | 40 | 898 | 1636 | 18 | 2592 | 4.2% |
| built-ins/String | 73 | 847 | 192 | 111 | 1223 | 7.1% |
| language/expressions | 14 | 36 | 29 | 16 | 95 | 21.2% |
| built-ins/Math | 65 | 211 | 39 | 12 | 327 | 22.6% |

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

### built-ins/Array  (58/2730 — 2.1%)

- **785x** ReferenceError (undefined symbol)
- **455x** Other: "Not callable: {:length 3 :0 41 :1 42 :2 43} (kont=5 frames)"
- **420x** Unhandled: Unhandled exception: \\\
- **284x** TypeError: not a function
- **148x** Timeout

### built-ins/Number  (9/283 — 3.2%)

- **72x** TypeError: not a function
- **56x** Unhandled: Not callable: {:isFinite <js-number-is-finite(v)> :MAX_SAFE_
- **49x** ReferenceError (undefined symbol)
- **38x** Unhandled: expected ident after .\
- **22x** Timeout

### language/statements  (40/956 — 4.2%)

- **387x** SyntaxError (parse/unsupported syntax)
- **112x** Unhandled: expected ident in arr pattern\
- **49x** Other: "Not callable: \"ud801\" (kont=6 frames)"
- **36x** negative: expected SyntaxError, got: "Unhandled exception: \"expected ident in arr pattern\""
- **33x** ReferenceError (undefined symbol)

### built-ins/String  (73/1031 — 7.1%)

- **152x** Unhandled: Not callable: \\\
- **133x** Unhandled: Not callable: {:fromCharCode <js-string-from-char-code(&rest
- **124x** Test262Error (assertion failed)
- **117x** TypeError: not a function
- **117x** Other: "Not callable: \"js-undefined\" (kont=10 frames)"

### language/expressions  (14/66 — 21.2%)

- **16x** Timeout
- **14x** ReferenceError (undefined symbol)
- **12x** Test262Error (assertion failed)
- **3x** Unhandled: Not callable: {:fromCharCode <js-string-from-char-code(&rest
- **2x** Unhandled: Not callable: {:entries <js-object-entries(o)> :values <js-o

### built-ins/Math  (65/288 — 22.6%)

- **87x** ReferenceError (undefined symbol)
- **80x** Test262Error (assertion failed)
- **31x** TypeError: not a function
- **12x** Timeout
- **11x** Unhandled: Not callable: {:isArray <js-array-is-array(v)> :of <js-array