js/src/tests/non262/AsyncIterator/prototype/take-drop-throw-eagerly-on-non-integer.js


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// |reftest| skip-if(!this.hasOwnProperty('AsyncIterator'))

//
//
/*---
esid: pending
description: `take` and `drop` throw eagerly when passed values that can't be converted to numbers.
info: >
  Iterator Helpers proposal 2.1.6.4 and 2.1.6.5
features: [iterator-helpers]
---*/

async function* gen() {}
const iter = gen();
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);