// Copyright (C) 2017 Valerie Young. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.

/*---
esid: prod-StringLiteral
description: NumericLiteralSeperator disallowed in unicode CodePoint sequence (DoubleStringCharacters)
info: |
 StringLiteral::
   "DoubleStringCharacters opt"
   'SingleStringCharacters opt'

 SingleStringCharacters::
   SingleStringCharacterSingleStringCharactersopt

 SingleStringCharacter::
   SourceCharacterbut not one of ' or \ or LineTerminator
   \ EscapeSequence
   LineContinuation

 EscapeSequence::
   CharacterEscapeSequence
   0 [lookahead ∉ DecimalDigit]
   HexEscapeSequence
   UnicodeEscapeSequence

 UnicodeEscapeSequence ::
   uHex4Digits
   u{CodePoint}

 CodePoint ::
   HexDigit but only if MV of HexDigits ≤ 0x10FFFF
   CodePointDigits but only if MV of HexDigits ≤ 0x10FFFF

 CodePointDigits ::
   HexDigit
   CodePointDigitsHexDigit

  HexDigit :: one of
    0 1 2 3 4 5 6 7 8 9 a b c d e f A B C D E F

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

$DONOTEVALUATE();

'\u{1F_639}';