test262/test/built-ins/Promise/all/resolve-element-function-le...

37 lines
1.0 KiB
JavaScript

// Copyright (C) 2015 André Bargull. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
es6id: 25.4.4.1.2
description: The `length` property of Promise.all Resolve Element functions
info: |
The length property of a Promise.all resolve element function is 1.
17 ECMAScript Standard Built-in Objects:
Unless otherwise specified, the length property of a built-in Function
object has the attributes { [[Writable]]: false, [[Enumerable]]: false,
[[Configurable]]: true }.
includes: [propertyHelper.js]
---*/
var resolveElementFunction;
var thenable = {
then: function(fulfill) {
resolveElementFunction = fulfill;
}
};
function NotPromise(executor) {
executor(function() {}, function() {});
}
NotPromise.resolve = function(v) {
return v;
};
Promise.all.call(NotPromise, [thenable]);
assert.sameValue(resolveElementFunction.length, 1);
verifyNotEnumerable(resolveElementFunction, "length");
verifyNotWritable(resolveElementFunction, "length");
verifyConfigurable(resolveElementFunction, "length");