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
|
// Copyright 2017 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
description: >
Test the groups object on RegExp subclass results that have their own.
esid: sec-regexpbuiltinexec
features: [regexp-named-groups]
info: |
Runtime Semantics: RegExpBuiltinExec ( R, S )
24. If _R_ contains any |GroupName|, then
a. Let _groups_ be ObjectCreate(*null*).
25. Else,
a. Let _groups_ be *undefined*.
26. Perform ! CreateDataProperty(_A_, `"groups"`, _groups_).
---*/
class FakeRegExp extends RegExp {
exec(subject) {
const fakeResult = ["ab", "a"];
fakeResult.index = 0;
fakeResult.groups = { a: "b" };
Object.getPrototypeOf(fakeResult.groups).b = "c";
return fakeResult;
}
};
const re = new FakeRegExp();
const result = re.exec("ab");
assert.sameValue(Object.getPrototypeOf(result), Array.prototype);
assert(result.hasOwnProperty("groups"));
assert.sameValue("b", result.groups.a);
assert.sameValue("b", "ab".replace(re, "$<a>"));
assert.sameValue("c", "ab".replace(re, "$<b>"));
|
