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// 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
description: Error setting length of object (traversed via iterator)
info: |
[...]
6. If usingIterator is not undefined, then
[...]
g. Repeat
[...]
iv. If next is false, then
1. Let setStatus be Set(A, "length", k, true).
2. ReturnIfAbrupt(setStatus).
features: [Symbol.iterator]
---*/
var poisonedPrototypeLength = function() {};
var items = {};
Object.defineProperty(poisonedPrototypeLength.prototype, 'length', {
set: function(_) {
throw new Test262Error();
}
});
items[Symbol.iterator] = function() {
return {
next: function() {
return {
done: true
};
}
};
};
assert.throws(Test262Error, function() {
Array.from.call(poisonedPrototypeLength, items);
}, 'Array.from.call(poisonedPrototypeLength, items) throws a Test262Error exception');
reportCompare(0, 0);
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