| // Copyright (C) 2017 the V8 project authors. All rights reserved. |
| // This code is governed by the BSD license found in the LICENSE file. |
| |
| /*--- |
| esid: prod-NumericLiteralSeparator |
| description: NumericLiteralSeparator is not valid on string conversions for ToNumber operations |
| info: | |
| NonZeroDigit NumericLiteralSeparator DecimalDigits |
| |
| NumericLiteralSeparator :: |
| _ |
| |
| DecimalIntegerLiteral :: |
| ... |
| NonZeroDigit NumericLiteralSeparator_opt DecimalDigits |
| |
| NonZeroDigit :: one of |
| 1 2 3 4 5 6 7 8 9 |
| |
| DecimalDigits :: |
| ... |
| DecimalDigits DecimalDigit |
| ... |
| |
| features: [numeric-separator-literal] |
| ---*/ |
| |
| assert.sameValue(Number("1_0123456789"), NaN, "1_0123456789"); |
