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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) 2020 Rick Waldron. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-iteratorprototype.drop
description: >
Throws a RangeError exception when limit argument is NaN or less than 0.
info: |
%Iterator.prototype%.drop ( limit )
3. If numLimit is NaN, throw a RangeError exception.
4. Let integerLimit be ! ToIntegerOrInfinity(numLimit).
5. If integerLimit < 0, throw a RangeError exception.
features: [iterator-helpers]
---*/
let iterator = (function* () {})();
iterator.drop(0);
iterator.drop(-0.5);
iterator.drop(null);
assert.throws(RangeError, () => {
iterator.drop(-1);
});
assert.throws(RangeError, () => {
iterator.drop();
});
assert.throws(RangeError, () => {
iterator.drop(undefined);
});
assert.throws(RangeError, () => {
iterator.drop(NaN);
});
reportCompare(0, 0);
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