js/src/tests/test262/language/literals/bigint/numeric-separators/numeric-separator-literal-bil-bd-nsl-bd-err.js


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45

// |reftest| error:SyntaxError
// Copyright (C) 2019 Leo Balter. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.

/*---
esid: prod-NumericLiteralSeparator
description: >
  NumericLiteralSeparator may not be the appear adjacent to `0b` | `0B` in a
  BinaryIntegerLiteral
info: |
  NumericLiteral ::
    DecimalIntegerLiteral BigIntLiteralSuffix
    NumericLiteralBase BigIntLiteralSuffix

  NumericLiteralBase ::
    BinaryIntegerLiteral
    OctalIntegerLiteral
    HexIntegerLiteral

  BigIntLiteralSuffix :: n

  NumericLiteralSeparator ::
    _

  BinaryIntegerLiteral ::
    0b BinaryDigits
    0B BinaryDigits

  BinaryDigits ::
    BinaryDigit
    BinaryDigits BinaryDigit
    BinaryDigits NumericLiteralSeparator BinaryDigit

  BinaryDigit :: one of
    0 1

negative:
  phase: parse
  type: SyntaxError
features: [BigInt, numeric-separator-literal]
---*/

$DONOTEVALUATE();

0b_1n;