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// |reftest| skip-if(!this.hasOwnProperty('AsyncIterator'))
//
//
/*---
esid: pending
description: Lazy %AsyncIterator.prototype% methods throw eagerly when passed non-callables.
info: >
Iterator Helpers proposal 2.1.6
features: [iterator-helpers]
---*/
async function* gen() {}
const methods = [
(iter, fn) => iter.map(fn),
(iter, fn) => iter.filter(fn),
(iter, fn) => iter.flatMap(fn),
];
for (const method of methods) {
assertThrowsInstanceOf(() => method(AsyncIterator.prototype, 0), TypeError);
assertThrowsInstanceOf(() => method(AsyncIterator.prototype, false), TypeError);
assertThrowsInstanceOf(() => method(AsyncIterator.prototype, undefined), TypeError);
assertThrowsInstanceOf(() => method(AsyncIterator.prototype, null), TypeError);
assertThrowsInstanceOf(() => method(AsyncIterator.prototype, ''), TypeError);
assertThrowsInstanceOf(() => method(AsyncIterator.prototype, Symbol('')), TypeError);
assertThrowsInstanceOf(() => method(AsyncIterator.prototype, {}), TypeError);
assertThrowsInstanceOf(() => method(gen(), 0), TypeError);
assertThrowsInstanceOf(() => method(gen(), false), TypeError);
assertThrowsInstanceOf(() => method(gen(), undefined), TypeError);
assertThrowsInstanceOf(() => method(gen(), null), TypeError);
assertThrowsInstanceOf(() => method(gen(), ''), TypeError);
assertThrowsInstanceOf(() => method(gen(), Symbol('')), TypeError);
assertThrowsInstanceOf(() => method(gen(), {}), TypeError);
}
if (typeof reportCompare == 'function')
reportCompare(0, 0);
|
