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// |reftest| skip-if(!this.hasOwnProperty('Iterator'))
//
//
/*---
esid: pending
description: Lazy %Iterator.prototype% methods throw eagerly when `next` is non-callable.
info: >
Iterator Helpers proposal 1.1.1
features: [iterator-helpers]
---*/
const methods = [
next => Iterator.prototype.map.bind({next}, x => x),
next => Iterator.prototype.filter.bind({next}, x => x),
next => Iterator.prototype.take.bind({next}, 1),
next => Iterator.prototype.drop.bind({next}, 0),
next => Iterator.prototype.asIndexedPairs.bind({next}),
next => Iterator.prototype.flatMap.bind({next}, x => [x]),
];
for (const method of methods) {
assertThrowsInstanceOf(method(0), TypeError);
assertThrowsInstanceOf(method(false), TypeError);
assertThrowsInstanceOf(method(undefined), TypeError);
assertThrowsInstanceOf(method(null), TypeError);
assertThrowsInstanceOf(method(''), TypeError);
assertThrowsInstanceOf(method(Symbol('')), TypeError);
assertThrowsInstanceOf(method({}), TypeError);
assertThrowsInstanceOf(method([]), TypeError);
}
if (typeof reportCompare == 'function')
reportCompare(0, 0);
|
