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// |reftest| shell-option(--enable-iterator-helpers) skip-if(!this.hasOwnProperty('Iterator')||!xulRuntime.shell) -- iterator-helpers is not enabled unconditionally, requires shell-options
// Copyright (C) 2023 Michael Ficarra. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-iteratorprototype.every
description: >
Attempts to close iterator when predicate throws, but that throws
info: |
%Iterator.prototype%.every ( predicate )
4.d. Let result be Completion(Call(predicate, undefined, « value, 𝔽(counter) »)).
4.e. IfAbruptCloseIterator(result, iterated).
features: [iterator-helpers]
flags: []
---*/
let returnCalls = 0;
class TestIterator extends Iterator {
next() {
return {
done: false,
value: 1,
};
}
return() {
++returnCalls;
throw new Error();
}
}
let iterator = new TestIterator();
assert.throws(Test262Error, function () {
iterator.every(() => {
throw new Test262Error();
});
});
assert.sameValue(returnCalls, 1);
reportCompare(0, 0);
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