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1 // Copyright 2014 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 // Flags: --harmony-regexps | |
6 | |
7 delete RegExp.prototype.flags; | |
8 RegExp.prototype.flags = 'setter should be undefined'; | |
9 | |
10 assertEquals('', RegExp('').flags); | |
11 assertEquals('', /./.flags); | |
12 assertEquals('gimy', RegExp('', 'ygmi').flags); | |
13 assertEquals('gimy', /foo/ymig.flags); | |
14 | |
15 // When support for the `u` flag is added, uncomment the first line below and | |
Dmitry Lomov (no reviews)
2014/12/10 16:04:44
Please add a TODO here. Feel free to put me as an
| |
16 // remove the second line. | |
17 //assertEquals(RegExp('', 'yumig').flags, 'gimuy'); | |
18 assertThrows(function() { RegExp('', 'yumig').flags; }, SyntaxError); | |
19 | |
20 var descriptor = Object.getOwnPropertyDescriptor(RegExp.prototype, 'flags'); | |
21 assertFalse(descriptor.configurable); | |
22 assertFalse(descriptor.enumerable); | |
23 assertInstanceof(descriptor.get, Function); | |
24 assertEquals(undefined, descriptor.set); | |
25 | |
26 function testGenericFlags(object) { | |
27 return descriptor.get.call(object); | |
28 } | |
29 | |
30 assertEquals('', testGenericFlags({})); | |
31 assertEquals('i', testGenericFlags({ ignoreCase: true })); | |
32 assertEquals('uy', testGenericFlags({ global: 0, sticky: 1, unicode: 1 })); | |
33 assertEquals('m', testGenericFlags({ __proto__: { multiline: true } })); | |
34 assertThrows(function() { testGenericFlags(); }, TypeError); | |
35 assertThrows(function() { testGenericFlags(undefined); }, TypeError); | |
36 assertThrows(function() { testGenericFlags(null); }, TypeError); | |
37 assertThrows(function() { testGenericFlags(true); }, TypeError); | |
38 assertThrows(function() { testGenericFlags(false); }, TypeError); | |
39 assertThrows(function() { testGenericFlags(''); }, TypeError); | |
40 assertThrows(function() { testGenericFlags(42); }, TypeError); | |
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