Server : Apache/2.4.41 (Ubuntu) System : Linux absol.cf 5.4.0-198-generic #218-Ubuntu SMP Fri Sep 27 20:18:53 UTC 2024 x86_64 User : www-data ( 33) PHP Version : 7.4.33 Disable Function : pcntl_alarm,pcntl_fork,pcntl_waitpid,pcntl_wait,pcntl_wifexited,pcntl_wifstopped,pcntl_wifsignaled,pcntl_wifcontinued,pcntl_wexitstatus,pcntl_wtermsig,pcntl_wstopsig,pcntl_signal,pcntl_signal_get_handler,pcntl_signal_dispatch,pcntl_get_last_error,pcntl_strerror,pcntl_sigprocmask,pcntl_sigwaitinfo,pcntl_sigtimedwait,pcntl_exec,pcntl_getpriority,pcntl_setpriority,pcntl_async_signals,pcntl_unshare, Directory :  /usr/local/lib/node_modules/browserify/node_modules/events/tests/

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'use strict';

var common = require('./common');
var EventEmitter = require('../');
var assert = require('assert');

var ee = new EventEmitter();
var foo = Symbol('foo');
var listener = common.mustCall();

ee.on(foo, listener);
assert.strictEqual(ee.listeners(foo).length, 1);
assert.strictEqual(ee.listeners(foo)[0], listener);

ee.emit(foo);

ee.removeAllListeners();
assert.strictEqual(ee.listeners(foo).length, 0);

ee.on(foo, listener);
assert.strictEqual(ee.listeners(foo).length, 1);
assert.strictEqual(ee.listeners(foo)[0], listener);

ee.removeListener(foo, listener);
assert.strictEqual(ee.listeners(foo).length, 0);