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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.forEach
description: >
Iterator.prototype.forEach supports a this value that does not inherit from Iterator.prototype but implements the iterator protocol
info: |
%Iterator.prototype%.forEach ( fn )
features: [iterator-helpers]
flags: []
---*/
let iter = {
get next() {
let count = 3;
return function () {
--count;
return count >= 0 ? { done: false, value: count } : { done: true, value: undefined };
};
},
};
let fnCalls = 0;
let result = Iterator.prototype.forEach.call(iter, function (v) {
++fnCalls;
});
assert.sameValue(result, undefined);
assert.sameValue(fnCalls, 3);
reportCompare(0, 0);
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