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path: root/js/src/tests/non262/AsyncIterator/prototype/every/proxy.js
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// |reftest| skip-if(!this.hasOwnProperty('AsyncIterator'))
//
// This test checks that %AsyncIterator.prototype%.every only gets the `next` method off of the
// iterator once, and never accesses the @@asyncIterator property.
const log = [];
const handlerProxy = new Proxy({}, {
  get: (target, key, receiver) => (...args) => {
    log.push(`${key}: ${args[1]?.toString()}`);
    return Reflect[key](...args);
  },
});

class Counter extends AsyncIterator {
  value = 0;
  next() {
    const value = this.value;
    if (value < 2) {
      this.value = value + 1;
      return Promise.resolve({done: false, value});
    }
    return Promise.resolve({done: true});
  }
}

const iter = new Proxy(new Counter(), handlerProxy);
iter.every(x => x % 2 == 0).then(value => {
  assertEq(value, false)

  assertEq(
    log.join('\n'),
    `get: every
get: next
get: value
set: value
getOwnPropertyDescriptor: value
defineProperty: value
get: value
set: value
getOwnPropertyDescriptor: value
defineProperty: value
get: return`
  );
});

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