1// Copyright 2015 the V8 project authors. All rights reserved. 2// Use of this source code is governed by a BSD-style license that can be 3// found in the LICENSE file. 4 5// Before Unicode RegExps are shipped, we shouldn't have the 'unicode' 6// property on RegExp.prototype, or read it from 'flags'. 7// mjsunit/es6/regexp-flags tests that the property is there when the 8// flag is on. 9 10// Flags: --harmony-regexp 11 12'use strict'; 13 14assertFalse(RegExp.prototype.hasOwnProperty('unicode')); 15 16// If we were going to be really strict, we could have a test like this, 17// with the assertTrue replaced by assertFalse, since flags shouldn't 18// Get the 'unicode' property. However, it is probably OK to omit this 19// detailed fix. 20var x = /a/; 21var y = false; 22Object.defineProperty(x, 'unicode', { get() { y = true; } }); 23assertEquals("", x.flags); 24assertTrue(y); 25