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// |reftest| skip-if(!this.hasOwnProperty('AsyncIterator'))
const asyncGeneratorProto = Object.getPrototypeOf(
Object.getPrototypeOf(
(async function *() {})()
)
);
const methods = [
iter => iter.map(x => x),
iter => iter.filter(x => x),
iter => iter.take(1),
iter => iter.drop(0),
iter => iter.asIndexedPairs(),
iter => iter.flatMap(x => (async function*() {})()),
];
for (const method of methods) {
const iteratorHelper = method((async function*() {})());
asyncGeneratorProto.next.call(iteratorHelper).then(
_ => assertEq(true, false, 'Expected reject'),
err => assertEq(err instanceof TypeError, true),
);
asyncGeneratorProto.return.call(iteratorHelper).then(
_ => assertEq(true, false, 'Expected reject'),
err => assertEq(err instanceof TypeError, true),
);
asyncGeneratorProto.throw.call(iteratorHelper).then(
_ => assertEq(true, false, 'Expected reject'),
err => assertEq(err instanceof TypeError, true),
);
}
if (typeof reportCompare == 'function')
reportCompare(0, 0);
|