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