text: // Copyright (C) 2015 the V8 project authors. All rights reserved.
  // This code is governed by the BSD license found in the LICENSE file.
  /*---
  es6id: 19.1.2.10
  description: >
      Object.is ( value1, value2 )
  
      7.2.9 SameValue(x, y)
  
      ...
      7. If Type(x) is String, then
        a. If x and y are exactly the same sequence of code units 
          (same length and same code units at corresponding indices) 
          return true; otherwise, return false.
      ...
  ---*/
  
  assert.sameValue(Object.is('', ''), true, "`Object.is('', '')` returns `true`");
  assert.sameValue(
      Object.is('foo', 'foo'),
      true,
      "`Object.is('foo', 'foo')` returns `true`"
  );
  assert.sameValue(
      Object.is(String('foo'), String('foo')),
      true,
      "`Object.is(String('foo'), String('foo'))` returns `true`"
  );
  