test262/test/language/expressions/template-literal/tv-hex-escape-sequence.js

// Copyright (C) Copyright 2015 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
es6id: 11.1
description: >
    The TV of TemplateCharacter :: \ EscapeSequence is the SV of
    EscapeSequence.
    The SV of UnicodeEscapeSequence :: u{ HexDigits } is the UTF16Encoding
    (10.1.1) of the MV of HexDigits.
    The TRV of UnicodeEscapeSequence :: u{ HexDigits } is the sequence
    consisting of code unit value 0x0075 followed by code unit value 0x007B
    followed by TRV of HexDigits followed by code unit value 0x007D.
---*/

var calls;

calls = 0;
(function(s) {
  calls++;
  assert.sameValue(s[0], 'A', 'TV');
  assert.sameValue(s.raw[0], '\\x41', 'TRV');
})`\x41`;
assert.sameValue(calls, 1);