test262/test/built-ins/Promise/all/S25.4.4.1_A5.1_T1.js

30 lines
744 B
JavaScript

// Copyright 2014 Cubane Canada, Inc. All rights reserved.
// See LICENSE for details.
/*---
info: >
Promise.all expects an iterable argument;
rejects if IteratorStep() throws
es6id: S25.4.4.1_A5.1_T1
author: Sam Mikes
description: iterator.next throws, causing Promise.all to reject
features: [Symbol.iterator]
flags: [async]
---*/
var iterThrows = {};
var error = new Test262Error();
iterThrows[Symbol.iterator] = function() {
return {
next: function () {
throw error;
}
};
};
Promise.all(iterThrows).then(function () {
$ERROR('Promise unexpectedly resolved: Promise.all(iterThrows) should throw TypeError');
},function (reason) {
assert.sameValue(reason, error);
}).then($DONE,$DONE);