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// |reftest| skip-if(!this.hasOwnProperty('AsyncIterator'))
async function* gen(values) {
yield* values;
}
const otherAsyncIteratorProto = newGlobal({newCompartment: true}).AsyncIterator.prototype;
const methods = [
["map", x => x],
["filter", x => true],
["take", Infinity],
["drop", 0],
["asIndexedPairs", undefined],
["flatMap", x => gen([x])],
];
(async () => {
for (const [method, arg] of methods) {
const iterator = gen([1, 2, 3]);
const helper = otherAsyncIteratorProto[method].call(iterator, arg);
for (const expected of [1, 2, 3]) {
const {done, value} = await helper.next();
assertEq(done, false);
assertEq(Array.isArray(value) ? value[1] : value, expected);
}
const {done, value} = await helper.next();
assertEq(done, true);
assertEq(value, undefined);
}
})();
if (typeof reportCompare === 'function')
reportCompare(0, 0);
|
