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// |reftest| skip-if(!this.hasOwnProperty('Iterator')) -- Iterator is not enabled unconditionally
/*---
Iterator.from returns O if it is iterable, an iterator, and an instance of Iterator.
---*/
class TestIterator extends Iterator {
[Symbol.iterator]() {
return this;
}
next() {
return { done: false, value: this.value++ };
}
value = 0;
}
const iter = new TestIterator();
assertEq(iter, Iterator.from(iter));
const arrayIter = [1, 2, 3][Symbol.iterator]();
assertEq(arrayIter, Iterator.from(arrayIter));
if (typeof reportCompare === 'function')
reportCompare(0, 0);