// 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 elements. 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; function Constructor(executor) { function resolve(values) { callCount += 1; assert(Array.isArray(values), "values is array"); assert.sameValue(values.length, 2, "values length"); assert.sameValue(values[0], "expectedValue-p1", "values[0]"); assert.sameValue(values[1], "expectedValue-p2", "values[1]"); } executor(resolve, Test262Error.thrower); } Constructor.resolve = function(v) { return v; }; var p1 = { then: function(onFulfilled, onRejected) { onFulfilled("expectedValue-p1"); onFulfilled("unexpectedValue-p1"); } }; var p2 = { then: function(onFulfilled, onRejected) { onFulfilled("expectedValue-p2"); onFulfilled("unexpectedValue-p2"); } }; assert.sameValue(callCount, 0, "callCount before call to all()"); Promise.all.call(Constructor, [p1, p2]); assert.sameValue(callCount, 1, "callCount after call to all()"); reportCompare(0, 0);