// Copyright (C) 2016 the V8 project authors. All rights reserved. // This code is governed by the BSD license found in the LICENSE file. /*--- description: > Error when advancing the provided iterable (not closing iterator) esid: sec-promise.race info: | [...] 11. Let result be PerformPromiseRace(iteratorRecord, promiseCapability, C). 12. If result is an abrupt completion, then a. If iteratorRecord.[[done]] is false, let result be IteratorClose(iterator,result). b. IfAbruptRejectPromise(result, promiseCapability). 25.4.4.3.1 Runtime Semantics: PerformPromiseRace 1. Repeat a. Let next be IteratorStep(iteratorRecord.[[iterator]]). b. If next is an abrupt completion, set iteratorRecord.[[done]] to true. c. ReturnIfAbrupt(next). features: [Symbol.iterator] ---*/ var iterStepThrows = {}; var poisonedDone = {}; var returnCount = 0; var error = new Test262Error(); Object.defineProperty(poisonedDone, 'done', { get: function() { throw error; } }); Object.defineProperty(poisonedDone, 'value', { get: function() { throw new Test262Error('The `value` property should not be accessed.'); } }); iterStepThrows[Symbol.iterator] = function() { return { next: function() { return poisonedDone; }, return: function() { returnCount += 1; } }; }; Promise.race(iterStepThrows); assert.sameValue(returnCount, 0); reportCompare(0, 0);