generator-methods-throw-on-iterator-helpers.js

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

const generatorProto = Object.getPrototypeOf(

  Object.getPrototypeOf(

    (function *() {})()

);

const iteratorHelper = [0].values().map(x => x);

assertThrowsInstanceOf(() => generatorProto.next.call(iteratorHelper), TypeError);

assertThrowsInstanceOf(() => generatorProto.return.call(iteratorHelper), TypeError);

assertThrowsInstanceOf(() => generatorProto.throw.call(iteratorHelper), TypeError);

if (typeof reportCompare == 'function')

  reportCompare(0, 0);