test262/test/built-ins/Array/from/iter-get-iter-err.js

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587 B
JavaScript

// Copyright (C) 2015 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-array.from
es6id: 22.1.2.1
description: Error creating iterator object
info: |
[...]
6. If usingIterator is not undefined, then
[...]
d. Let iterator be GetIterator(items, usingIterator).
e. ReturnIfAbrupt(iterator).
features: [Symbol.iterator]
---*/
var items = {};
items[Symbol.iterator] = function() {
throw new Test262Error();
};
assert.throws(Test262Error, function() {
Array.from(items);
});