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// deno-fmt-ignore-file// deno-lint-ignore-file
// Copyright Joyent and Node contributors. All rights reserved. MIT license.// Taken from Node 18.12.1// This file is automatically generated by "node/_tools/setup.ts". Do not modify this file manually
'use strict';
require('../common');
const {  strictEqual,} = require('assert');
// Manually ported from: wpt@dom/events/AddEventListenerOptions-signal.any.js
{  // Passing an AbortSignal to addEventListener does not prevent  // removeEventListener  let count = 0;  function handler() {    count++;  }  const et = new EventTarget();  const controller = new AbortController();  et.addEventListener('test', handler, { signal: controller.signal });  et.dispatchEvent(new Event('test'));  strictEqual(count, 1, 'Adding a signal still adds a listener');  et.dispatchEvent(new Event('test'));  strictEqual(count, 2, 'The listener was not added with the once flag');  controller.abort();  et.dispatchEvent(new Event('test'));  strictEqual(count, 2, 'Aborting on the controller removes the listener');  // See: https://github.com/nodejs/node/pull/37696 , adding an event listener  // should always return undefined.  strictEqual(    et.addEventListener('test', handler, { signal: controller.signal }),    undefined);  et.dispatchEvent(new Event('test'));  strictEqual(count, 2, 'Passing an aborted signal never adds the handler');}
{  // Passing an AbortSignal to addEventListener works with the once flag  let count = 0;  function handler() {    count++;  }  const et = new EventTarget();  const controller = new AbortController();  et.addEventListener('test', handler, { signal: controller.signal });  et.removeEventListener('test', handler);  et.dispatchEvent(new Event('test'));  strictEqual(count, 0, 'The listener was still removed');}
{  // Removing a once listener works with a passed signal  let count = 0;  function handler() {    count++;  }  const et = new EventTarget();  const controller = new AbortController();  const options = { signal: controller.signal, once: true };  et.addEventListener('test', handler, options);  controller.abort();  et.dispatchEvent(new Event('test'));  strictEqual(count, 0, 'The listener was still removed');}
{  let count = 0;  function handler() {    count++;  }  const et = new EventTarget();  const controller = new AbortController();  const options = { signal: controller.signal, once: true };  et.addEventListener('test', handler, options);  et.removeEventListener('test', handler);  et.dispatchEvent(new Event('test'));  strictEqual(count, 0, 'The listener was still removed');}
{  // Passing an AbortSignal to multiple listeners  let count = 0;  function handler() {    count++;  }  const et = new EventTarget();  const controller = new AbortController();  const options = { signal: controller.signal, once: true };  et.addEventListener('first', handler, options);  et.addEventListener('second', handler, options);  controller.abort();  et.dispatchEvent(new Event('first'));  et.dispatchEvent(new Event('second'));  strictEqual(count, 0, 'The listener was still removed');}
{  // Passing an AbortSignal to addEventListener works with the capture flag  let count = 0;  function handler() {    count++;  }  const et = new EventTarget();  const controller = new AbortController();  const options = { signal: controller.signal, capture: true };  et.addEventListener('test', handler, options);  controller.abort();  et.dispatchEvent(new Event('test'));  strictEqual(count, 0, 'The listener was still removed');}
{  // Aborting from a listener does not call future listeners  let count = 0;  function handler() {    count++;  }  const et = new EventTarget();  const controller = new AbortController();  const options = { signal: controller.signal };  et.addEventListener('test', () => {    controller.abort();  }, options);  et.addEventListener('test', handler, options);  et.dispatchEvent(new Event('test'));  strictEqual(count, 0, 'The listener was still removed');}
{  // Adding then aborting a listener in another listener does not call it  let count = 0;  function handler() {    count++;  }  const et = new EventTarget();  const controller = new AbortController();  et.addEventListener('test', () => {    et.addEventListener('test', handler, { signal: controller.signal });    controller.abort();  }, { signal: controller.signal });  et.dispatchEvent(new Event('test'));  strictEqual(count, 0, 'The listener was still removed');}
{  // Aborting from a nested listener should remove it  const et = new EventTarget();  const ac = new AbortController();  let count = 0;  et.addEventListener('foo', () => {    et.addEventListener('foo', () => {      count++;      if (count > 5) ac.abort();      et.dispatchEvent(new Event('foo'));    }, { signal: ac.signal });    et.dispatchEvent(new Event('foo'));  }, { once: true });  et.dispatchEvent(new Event('foo'));}