1
0
Fork 0
mirror of https://github.com/denoland/deno.git synced 2024-12-15 03:48:02 -05:00
denoland-deno/cli/tests/node_compat/test/parallel/test-event-emitter-symbols.js
2023-06-02 15:05:32 +09:00

30 lines
809 B
JavaScript

// 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 `tools/node_compat/setup.ts`. Do not modify this file manually.
'use strict';
const common = require('../common');
const EventEmitter = require('events');
const assert = require('assert');
const ee = new EventEmitter();
const foo = Symbol('foo');
const listener = common.mustCall();
ee.on(foo, listener);
assert.deepStrictEqual(ee.listeners(foo), [listener]);
ee.emit(foo);
ee.removeAllListeners();
assert.deepStrictEqual(ee.listeners(foo), []);
ee.on(foo, listener);
assert.deepStrictEqual(ee.listeners(foo), [listener]);
ee.removeListener(foo, listener);
assert.deepStrictEqual(ee.listeners(foo), []);