v8/test/mjsunit/es6/no-unicode-regexp-flag.js
yangguo 3a2fbc3a4e [regexp] ship unicode regexps.
R=rossberg@chromium.org
BUG=v8:2952
LOG=N

Review URL: https://codereview.chromium.org/1689113002

Cr-Commit-Position: refs/heads/master@{#33899}
2016-02-11 14:06:33 +00:00

25 lines
877 B
JavaScript

// 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);