test262/test/built-ins/Proxy/revocable/revocation-function-propert...

18 lines
615 B
JavaScript

// Copyright (C) 2020 ExE Boss. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-createbuiltinfunction
description: Proxy revocation function property order
info: |
Set order: "length", "name"
---*/
var revocationFunction = Proxy.revocable({}, {}).revoke;
var propNames = Object.getOwnPropertyNames(revocationFunction);
var lengthIndex = propNames.indexOf("length");
var nameIndex = propNames.indexOf("name");
assert(lengthIndex >= 0 && nameIndex === lengthIndex + 1,
"The `length` property comes before the `name` property on built-in functions");