Source code
Revision control
Copy as Markdown
Other Tools
// Copyright (C) 2019 Leo Balter, 2020 Rick Waldron. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-performpromiseany
description: >
Each Promise.any element is called with a new Promise.any Reject Element function.
info: |
Runtime Semantics: PerformPromiseAny ( iteratorRecord, constructor, resultCapability )
...
k. Let rejectElement be ! CreateBuiltinFunction(steps, « [[AlreadyCalled]], [[Index]], [[Errors]], [[Capability]], [[RemainingElements]] »).
...
r. Perform ? Invoke(nextPromise, "then", « resultCapability.[[Resolve]], rejectElement »).
...
features: [Promise.any]
---*/
function rejectFunction() {}
function Constructor(executor) {
executor(rejectFunction, Test262Error.thrower);
}
Constructor.resolve = function(v) {
return v;
};
var callCount1 = 0;
var callCount2 = 0;
var p1OnRejected;
var p1 = {
then(_, onRejected) {
callCount1 += 1;
p1OnRejected = onRejected;
assert.notSameValue(onRejected, rejectFunction, 'p1.then');
}
};
var p2 = {
then(_, onRejected) {
callCount2 += 1;
assert.notSameValue(onRejected, rejectFunction, 'p2.then');
assert.notSameValue(onRejected, p1OnRejected, 'p1.onRejected != p2.onRejected');
}
};
Promise.any.call(Constructor, [p1, p2]);
assert.sameValue(callCount1, 1, 'p1.then call count');
assert.sameValue(callCount2, 1, 'p2.then call count');
reportCompare(0, 0);