text: // Copyright 2015 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.
  
  // Before Unicode RegExps are shipped, we shouldn't have the 'unicode'
  // property on RegExp.prototype, or read it from 'flags'.
  // mjsunit/es6/regexp-flags tests that the property is there when the
  // flag is on.
  
  // Flags: --harmony-regexps --no-harmony-unicode-regexps
  
  'use strict';
  
  assertFalse(RegExp.prototype.hasOwnProperty('unicode'));
  
  // If we were going to be really strict, we could have a test like this,
  // with the assertTrue replaced by assertFalse, since flags shouldn't
  // Get the 'unicode' property. However, it is probably OK to omit this
  // detailed fix.
  var x = /a/;
  var y = false;
  Object.defineProperty(x, 'unicode', { get() { y = true; } });
  assertEquals("", x.flags);
  assertTrue(y);
  