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// |reftest| skip-if(!this.hasOwnProperty('AsyncIterator'))
class TestIterator extends AsyncIterator {
async next() {
return {done: true, value: 'value'};
}
}
async function* gen(x) { yield x; }
const methods = [
iter => iter.map(x => x),
iter => iter.filter(x => true),
iter => iter.take(1),
iter => iter.drop(0),
iter => iter.asIndexedPairs(),
iter => iter.flatMap(gen),
];
(async () => {
for (const method of methods) {
const iterator = method(new TestIterator());
const {done, value} = await iterator.next();
assertEq(done, true);
assertEq(value, undefined);
}
})();
if (typeof reportCompare == 'function')
reportCompare(0, 0);
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