// 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: > Cannot change result value of resolved Promise.all element after Promise.all() returned. info: | Promise.all Resolve Element Functions 1. Let alreadyCalled be the value of F's [[AlreadyCalled]] internal slot. 2. If alreadyCalled.[[value]] is true, return undefined. 3. Set alreadyCalled.[[value]] to true. ... ---*/ var callCount = 0; var valuesArray; function Constructor(executor) { function resolve(values) { callCount += 1; valuesArray = values; assert(Array.isArray(values), "values is array"); assert.sameValue(values.length, 1, "values.length"); assert.sameValue(values[0], "expectedValue", "values[0]"); } executor(resolve, Test262Error.thrower); } Constructor.resolve = function(v) { return v; }; var p1OnFulfilled; var p1 = { then: function(onFulfilled, onRejected) { p1OnFulfilled = onFulfilled; onFulfilled("expectedValue"); } }; assert.sameValue(callCount, 0, "callCount before call to all()"); Promise.all.call(Constructor, [p1]); assert.sameValue(callCount, 1, "callCount after call to all()"); assert.sameValue(valuesArray[0], "expectedValue", "valuesArray after call to all()"); p1OnFulfilled("unexpectedValue"); assert.sameValue(callCount, 1, "callCount after call to onFulfilled()"); assert.sameValue(valuesArray[0], "expectedValue", "valuesArray after call to onFulfilled()"); reportCompare(0, 0);