Source code
Revision control
Copy as Markdown
Other Tools
// Copyright 2015 Microsoft Corporation. All rights reserved.
// This code is governed by the license found in the LICENSE file.
/*---
description: Source object has iterator which throws
esid: sec-array.from
es6id: 22.1.2.1
features: [Symbol.iterator]
---*/
var array = [2, 4, 8, 16, 32, 64, 128];
var obj = {
[Symbol.iterator]() {
return {
index: 0,
next() {
throw new Test262Error();
},
isDone: false,
get val() {
this.index++;
if (this.index > 7) {
this.isDone = true;
}
return 1 << this.index;
}
};
}
};
assert.throws(Test262Error, function() {
Array.from(obj);
}, 'Array.from(obj) throws a Test262Error exception');
reportCompare(0, 0);