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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.drop
description: >
Converts the limit argument to a Number using ToNumber and valueOf/toString.
info: |
%Iterator.prototype%.drop ( limit )
2. Let numLimit be ? ToNumber(limit).
features: [iterator-helpers]
---*/
function* g() {
yield 1;
yield 2;
}
{
let iterator = g();
let { value, done } = iterator
.drop({
valueOf: function () {
return 1;
},
})
.next();
assert.sameValue(value, 2);
assert.sameValue(done, false);
}
{
let iterator = g();
let { value, done } = iterator.drop([]).drop([1]).next();
assert.sameValue(value, 2);
assert.sameValue(done, false);
}
reportCompare(0, 0);
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