mirror of https://github.com/tc39/test262.git
36 lines
1.3 KiB
JavaScript
36 lines
1.3 KiB
JavaScript
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// Copyright 2019 Ron Buckton. All rights reserved.
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// This code is governed by the BSD license found in the LICENSE file.
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/*---
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description: Properties of the groups object of indices are created with CreateDataProperty
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includes: [compareArray.js, propertyHelper.js]
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esid: sec-makeindicesarray
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features: [regexp-named-groups]
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info: |
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MakeIndicesArray ( S, indices, groupNames )
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11. For each integer _i_ such that _i_ >= 0 and _i_ < _n_, do
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e. If _groupNames_ is not *undfined* and _groupNames_[_i_] is not *undefined*, then
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i. Perform ! CreateDataProperty(_groups_, _groupNames_[_i_], _matchIndicesArray_).
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---*/
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// Properties created on result.groups in textual order.
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let groupNames = Object.getOwnPropertyNames(/(?<fst>.)|(?<snd>.)/u.exec("abcd").indices.groups);
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assert.compareArray(groupNames, ["fst", "snd"]);
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// // Properties are created with Define, not Set
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// let counter = 0;
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// Object.defineProperty(Object.prototype, 'x', {set() { counter++; }});
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let indices = /(?<x>.)/.exec('a').indices;
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let groups = indices.groups;
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// assert.sameValue(counter, 0);
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// Properties are writable, enumerable and configurable
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// (from CreateDataProperty)
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verifyProperty(groups, 'x', {
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writable: true,
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enumerable: true,
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configurable: true
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});
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