mirror of https://github.com/tc39/test262.git
31 lines
1.0 KiB
JavaScript
31 lines
1.0 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: The "indices" property is created with DefinePropertyOrThrow
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includes: [propertyHelper.js]
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esid: sec-regexpbuiltinexec
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features: [regexp-match-indices]
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info: |
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Runtime Semantics: RegExpBuiltinExec ( R, S )
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34. Let _indicesArray_ be MakeIndicesArray(_S_, _indices_, _groupNames_).
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35. Perform ! DefinePropertyOrThrow(_A_, `"indices"`, PropertyDescriptor { [[Value]]: _indicesArray_, [[Writable]]: *false*, [[Enumerable]]: *false*, [[Configurable]]: *true* }).
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---*/
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// `indices` is created with Define, not Set.
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let counter = 0;
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Object.defineProperty(Array.prototype, "indices", {
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set() { counter++; }
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});
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let match = /a/.exec("a");
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assert.sameValue(counter, 0);
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// `indices` is a non-writable, non-enumerable, and configurable data-property.
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verifyProperty(match, 'indices', {
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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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