text: // Copyright 2014 the V8 project authors. All rights reserved.
  // Use of this source code is governed by a BSD-style license that can be
  // found in the LICENSE file.
  
  // ES6 extends the \uxxxx escape and also allows \u{xxxxx}.
  
  // Unicode escapes in variable names.
  
  (function TestVariableNames1() {
    var foobar = 1;
    assertEquals(foob\u0061r, 1);
    assertEquals(foob\u{0061}r, 1);
    assertEquals(foob\u{61}r, 1);
    assertEquals(foob\u{0000000061}r, 1);
  })();
  
  (function TestVariableNames2() {
    var foobar = 1;
    assertEquals(\u0066oobar, 1);
    assertEquals(\u{0066}oobar, 1);
    assertEquals(\u{66}oobar, 1);
    assertEquals(\u{0000000066}oobar, 1);
  })();
  
  // Unicode escapes in strings.
  
  (function TestStrings() {
    var s1 = "foob\u0061r";
    assertEquals(s1, "foobar");
    var s2 = "foob\u{0061}r";
    assertEquals(s2, "foobar");
    var s3 = "foob\u{61}r";
    assertEquals(s3, "foobar");
    var s4 = "foob\u{0000000061}r";
    assertEquals(s4, "foobar");
  })();
  
  
  (function TestSurrogates() {
    // U+10E6D corresponds to the surrogate pair [U+D803, U+DE6D].
    var s1 = "foo\u{10e6d}";
    var s2 = "foo\u{d803}\u{de6d}";
    assertEquals(s1, s2);
  })();
  