js/src/tests/non262/Iterator/prototype/iterator-helper-methods-throw-on-generators.js


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

const iteratorHelperProto = Object.getPrototypeOf([].values().map(x => x));

function *gen() {
  yield 1;
}

assertThrowsInstanceOf(() => iteratorHelperProto.next.call(gen()), TypeError);
assertThrowsInstanceOf(() => iteratorHelperProto.return.call(gen()), TypeError);
assertThrowsInstanceOf(() => iteratorHelperProto.throw.call(gen()), TypeError);

if (typeof reportCompare == 'function')
  reportCompare(0, 0);