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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: >
Iterator.prototype.every returns false and closes the iterator when the predicate returns truthy for some iterated values and falsey for others
info: |
%Iterator.prototype%.every ( predicate )
4.f. If ToBoolean(result) is false, return ? IteratorClose(iterated, NormalCompletion(false)).
features: [iterator-helpers]
flags: []
---*/
function* g() {
for (let i = 0; i < 5; ++i) {
yield i;
}
}
let iter = g();
let predicateCalls = 0;
let result = iter.every(v => {
++predicateCalls;
return v < 3;
});
assert.sameValue(result, false);
assert.sameValue(predicateCalls, 4);
let { done, value } = iter.next();
assert.sameValue(done, true);
assert.sameValue(value, undefined);
reportCompare(0, 0);
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