tor-browser

The Tor Browser
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unicode-escape-no-hex-err-double.js (989B)

      1 // |reftest| error:SyntaxError
      2 // Copyright (C) 2020 Alexey Shvayka. All rights reserved.
      3 // This code is governed by the BSD license found in the LICENSE file.
      4 
      5 /*---
      6 esid: prod-StringLiteral
      7 description: >
      8  \u is at the end of string, Hex4Digits is required.
      9 info: |
     10  StringLiteral ::
     11    " DoubleStringCharacters_opt "
     12    ' SingleStringCharacters_opt '
     13 
     14  DoubleStringCharacters ::
     15    DoubleStringCharacter DoubleStringCharacters_opt
     16 
     17  DoubleStringCharacter ::
     18    SourceCharacter but not one of " or \ or LineTerminator
     19    <LS>
     20    <PS>
     21    \ EscapeSequence
     22    LineContinuation
     23 
     24  EscapeSequence ::
     25    CharacterEscapeSequence
     26    0 [lookahead ∉ DecimalDigit]
     27    HexEscapeSequence
     28    UnicodeEscapeSequence
     29 
     30  UnicodeEscapeSequence ::
     31    u Hex4Digits
     32    u{ CodePoint }
     33 
     34  Hex4Digits ::
     35    HexDigit HexDigit HexDigit HexDigit
     36 
     37  HexDigit :: one of
     38    0 1 2 3 4 5 6 7 8 9 a b c d e f A B C D E F
     39 
     40 negative:
     41  phase: parse
     42  type: SyntaxError
     43 ---*/
     44 
     45 $DONOTEVALUATE();
     46 
     47 "\u"