Source code

Revision control

Copy as Markdown

Other Tools

// |reftest| skip-if(!this.hasOwnProperty('Iterator'))
//
//
/*---
esid: pending
description: `take` and `drop` throw eagerly when passed values that can't be converted to numbers.
info: >
Iterator Helpers proposal 2.1.5.4 and 2.1.5.5
features: [iterator-helpers]
---*/
const iter = [].values();
const methods = [
value => iter.take(value),
value => iter.drop(value),
];
const objectWithToPrimitive = {
[Symbol.toPrimitive]() {
return {};
}
};
for (const method of methods) {
assertThrowsInstanceOf(() => method(0n), TypeError);
assertThrowsInstanceOf(() => method(Symbol('')), TypeError);
assertThrowsInstanceOf(() => method(objectWithToPrimitive), TypeError);
}
if (typeof reportCompare == 'function')
reportCompare(0, 0);