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// |reftest| skip-if(!this.hasOwnProperty('Iterator'))
const methods = [
iter => iter.map,
iter => iter.filter,
iter => iter.flatMap,
];
for (const method of methods) {
const iter = [1].values();
const iterMethod = method(iter);
let iterHelper;
iterHelper = iterMethod.call(iter, x => iterHelper.next());
assertThrowsInstanceOf(() => iterHelper.next(), TypeError);
}
if (typeof reportCompare == 'function')
reportCompare(0, 0);