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// Copyright (C) 2019 Leo Balter. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
description: >
Invocation of the instance's `then` method
esid: sec-promise.allsettled
info: |
6. Let result be PerformPromiseAllSettled(iteratorRecord, C, promiseCapability).
7. If result is an abrupt completion, then
a. If iteratorRecord.[[Done]] is false, set result to IteratorClose(iteratorRecord, result).
b. IfAbruptRejectPromise(result, promiseCapability).
Runtime Semantics: PerformPromiseAllSettled
z. Perform ? Invoke(nextPromise, "then", « resolveElement, rejectElement »).
features: [Promise.allSettled]
---*/
var p1 = new Promise(function() {});
var p2 = new Promise(function() {});
var p3 = new Promise(function() {});
var callCount = 0;
var currentThis = p1;
var nextThis = p2;
var afterNextThis = p3;
p1.then = p2.then = p3.then = function(a, b) {
assert.sameValue(typeof a, 'function', 'type of first argument');
assert.sameValue(
a.length,
1,
'The length property of a promise resolve function is 1.'
);
assert.sameValue(typeof b, 'function', 'type of second argument');
assert.sameValue(
b.length,
1,
'The length property of a promise reject function is 1.'
);
assert.sameValue(arguments.length, 2, '`then` invoked with two arguments');
assert.sameValue(this, currentThis, '`this` value');
currentThis = nextThis;
nextThis = afterNextThis;
afterNextThis = null;
callCount += 1;
};
Promise.allSettled([p1, p2, p3]);
assert.sameValue(callCount, 3, '`then` invoked once for every iterated value');
reportCompare(0, 0);
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