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

31 lines
809 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
---*/
var iterThrows = {};
Object.defineProperty(iterThrows, Symbol.iterator, {
get: function () {
return {
next: function () {
throw new Error("abrupt completion");
}
};
}
});
Promise.all(iterThrows).then(function () {
$ERROR('Promise unexpectedly resolved: Promise.all(iterThrows) should throw TypeError');
},function (err) {
if (!(err instanceof TypeError)) {
$ERROR('Expected TypeError, got ' + err);
}
}).then($DONE,$DONE);