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 14 assertFalse(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. 20 var x = /a/; 21 var y = false; 22 Object.defineProperty(x, 'unicode', { get() { y = true; } }); 23 assertEquals("", x.flags); 24 assertTrue(y); 25