test262/test/annexB/built-ins/RegExp/named-groups/groups-object.js

22 lines
826 B
JavaScript

// Copyright 2017 Aleksey Shvayka. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
description: Properties of the groups object are created with CreateDataProperty
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_).
---*/
// The `__proto__` property on the groups object is not special,
// and does not affect the [[Prototype]] of the resulting groups object.
let {groups} = /(?<__proto__>.)/.exec("a");
assert.sameValue("a", groups.__proto__);
assert.sameValue(null, Object.getPrototypeOf(groups));