numeric literal seperators: test change in CodePoint production (#1464)

1 files changed, 49 insertions, 0 deletions

diff --git a/test/language/literals/string/unicode-escape-nls-err-double.js b/test/language/literals/string/unicode-escape-nls-err-double.js
new file mode 100644
index 000000000..d33d4f95f
--- /dev/null
+++ b/test/language/literals/string/unicode-escape-nls-err-double.js
@@ -0,0 +1,49 @@
+// 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'
+
+ DoubleStringCharacters::
+   DoubleStringCharacter DoubleStringCharacters opt
+
+ DoubleStringCharacter::
+   SourceCharacter but 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
+---*/
+
+throw "Test262: This statement should not be evaluated.";
+
+"\u{1F_639}"