1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
|
// Copyright 2014 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.
// Flags: --harmony-regexps
RegExp.prototype.flags = 'setter should be undefined';
assertEquals('', RegExp('').flags);
assertEquals('', /./.flags);
assertEquals('gimy', RegExp('', 'ygmi').flags);
assertEquals('gimy', /foo/ymig.flags);
// TODO(dslomov): When support for the `u` flag is added, uncomment the first
// line below and remove the second line.
//assertEquals(RegExp('', 'yumig').flags, 'gimuy');
assertThrows(function() { RegExp('', 'yumig').flags; }, SyntaxError);
var descriptor = Object.getOwnPropertyDescriptor(RegExp.prototype, 'flags');
assertTrue(descriptor.configurable);
assertFalse(descriptor.enumerable);
assertInstanceof(descriptor.get, Function);
assertEquals(undefined, descriptor.set);
function testGenericFlags(object) {
return descriptor.get.call(object);
}
assertEquals('', testGenericFlags({}));
assertEquals('i', testGenericFlags({ ignoreCase: true }));
assertEquals('uy', testGenericFlags({ global: 0, sticky: 1, unicode: 1 }));
assertEquals('m', testGenericFlags({ __proto__: { multiline: true } }));
assertThrows(function() { testGenericFlags(); }, TypeError);
assertThrows(function() { testGenericFlags(undefined); }, TypeError);
assertThrows(function() { testGenericFlags(null); }, TypeError);
assertThrows(function() { testGenericFlags(true); }, TypeError);
assertThrows(function() { testGenericFlags(false); }, TypeError);
assertThrows(function() { testGenericFlags(''); }, TypeError);
assertThrows(function() { testGenericFlags(42); }, TypeError);
var counter = 0;
var map = {};
var object = {
get global() {
map.g = counter++;
},
get ignoreCase() {
map.i = counter++;
},
get multiline() {
map.m = counter++;
},
get unicode() {
map.u = counter++;
},
get sticky() {
map.y = counter++;
}
};
testGenericFlags(object);
assertEquals({ g: 0, i: 1, m: 2, u: 3, y: 4 }, map);
|
