// Copyright (C) 2019 Leo Balter. All rights reserved. // This code is governed by the BSD license found in the LICENSE file. /*--- esid: sec-promise.allsettled-resolve-element-functions description: > Cannot change result value of resolved Promise.allSettled element. info: | Promise.allSettled Resolve Element Functions 1. Let F be the active function object. 2. Let alreadyCalled be F.[[AlreadyCalled]]. 3. If alreadyCalled.[[Value]] is true, return undefined. 4. Set alreadyCalled.[[Value]] to true. ... includes: [promiseHelper.js] features: [Promise.allSettled] ---*/ var callCount = 0; function Constructor(executor) { function resolve(values) { callCount += 1; checkSettledPromises(values, [ { status: 'fulfilled', value: 'expectedValue' } ], 'values'); } executor(resolve, Test262Error.thrower); } Constructor.resolve = function(v) { return v; }; var p1 = { then(onFulfilled, onRejected) { onFulfilled('expectedValue'); onFulfilled('unexpectedValue'); } }; assert.sameValue(callCount, 0, 'callCount before call to all()'); Promise.allSettled.call(Constructor, [p1]); assert.sameValue(callCount, 1, 'callCount after call to all()'); reportCompare(0, 0);