core-js/tests/unit-pure/helpers.get-iterator.js

import { createIterable } from '../helpers/helpers.js';

import getIterator from 'core-js-pure/full/get-iterator';

QUnit.test('getIterator helper', assert => {
  assert.isFunction(getIterator);
  assert.isIterator(getIterator([]));
  assert.isIterator(getIterator(function () {
    // eslint-disable-next-line prefer-rest-params -- required for testing
    return arguments;
  }()));
  assert.isIterator(getIterator(createIterable([])));
  assert.throws(() => getIterator({}), TypeError);
});