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24 lines
720 B
JavaScript
24 lines
720 B
JavaScript
// Copyright (C) 2020 ExE Boss. 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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esid: sec-createbuiltinfunction
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description: Promise executor function property order
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info: |
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Set order: "length", "name"
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---*/
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var executorFunction;
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function NotPromise(executor) {
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executorFunction = executor;
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executor(function() {}, function() {});
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}
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Promise.resolve.call(NotPromise);
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var propNames = Object.getOwnPropertyNames(executorFunction);
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var lengthIndex = propNames.indexOf("length");
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var nameIndex = propNames.indexOf("name");
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assert(lengthIndex >= 0 && nameIndex === lengthIndex + 1,
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"The `length` property comes before the `name` property on built-in functions");
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