Gecko [ gandhischool.edu.np ]

Name	Size	Permission
add-listeners.js	3.7 KB	-rw-rw-rw-
check-listener-leaks.js	3.38 KB	-rw-rw-rw-
common.js	3.13 KB	-rw-rw-rw-
errors.js	344 B	-rw-rw-rw-
events-list.js	813 B	-rw-rw-rw-
events-once.js	5.97 KB	-rw-rw-rw-
index.js	1.8 KB	-rw-rw-rw-
legacy-compat.js	296 B	-rw-rw-rw-
listener-count.js	1.65 KB	-rw-rw-rw-
listeners-side-effects.js	2.05 KB	-rw-rw-rw-
listeners.js	5.21 KB	-rw-rw-rw-
max-listeners.js	2.02 KB	-rw-rw-rw-
method-names.js	1.63 KB	-rw-rw-rw-
modify-in-emit.js	3.15 KB	-rw-rw-rw-
num-args.js	2.17 KB	-rw-rw-rw-
once.js	2.59 KB	-rw-rw-rw-
prepend.js	833 B	-rw-rw-rw-
remove-all-listeners.js	4.62 KB	-rw-rw-rw-
remove-listeners.js	6.44 KB	-rw-rw-rw-
set-max-listeners-side-effects...	1.41 KB	-rw-rw-rw-
special-event-names.js	1.39 KB	-rw-rw-rw-
subclass.js	1.96 KB	-rw-rw-rw-
symbols.js	627 B	-rw-rw-rw-

Code Editor : check-listener-leaks.js

// Copyright Joyent, Inc. and other Node contributors.
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to permit
// persons to whom the Software is furnished to do so, subject to the
// following conditions:
//
// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
// USE OR OTHER DEALINGS IN THE SOFTWARE.

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

// Redirect warning output to tape.
var consoleWarn = console.warn;
console.warn = common.test.comment;

common.test.on('end', function () {
  console.warn = consoleWarn;
});

// default
{
  var e = new events.EventEmitter();

for (var i = 0; i < 10; i++) {
    e.on('default', common.mustNotCall());
  }
  assert.ok(!e._events['default'].hasOwnProperty('warned'));
  e.on('default', common.mustNotCall());
  assert.ok(e._events['default'].warned);

// specific
  e.setMaxListeners(5);
  for (var i = 0; i < 5; i++) {
    e.on('specific', common.mustNotCall());
  }
  assert.ok(!e._events['specific'].hasOwnProperty('warned'));
  e.on('specific', common.mustNotCall());
  assert.ok(e._events['specific'].warned);

// only one
  e.setMaxListeners(1);
  e.on('only one', common.mustNotCall());
  assert.ok(!e._events['only one'].hasOwnProperty('warned'));
  e.on('only one', common.mustNotCall());
  assert.ok(e._events['only one'].hasOwnProperty('warned'));

// unlimited
  e.setMaxListeners(0);
  for (var i = 0; i < 1000; i++) {
    e.on('unlimited', common.mustNotCall());
  }
  assert.ok(!e._events['unlimited'].hasOwnProperty('warned'));
}

// process-wide
{
  events.EventEmitter.defaultMaxListeners = 42;
  var e = new events.EventEmitter();

for (var i = 0; i < 42; ++i) {
    e.on('fortytwo', common.mustNotCall());
  }
  assert.ok(!e._events['fortytwo'].hasOwnProperty('warned'));
  e.on('fortytwo', common.mustNotCall());
  assert.ok(e._events['fortytwo'].hasOwnProperty('warned'));
  delete e._events['fortytwo'].warned;

events.EventEmitter.defaultMaxListeners = 44;
  e.on('fortytwo', common.mustNotCall());
  assert.ok(!e._events['fortytwo'].hasOwnProperty('warned'));
  e.on('fortytwo', common.mustNotCall());
  assert.ok(e._events['fortytwo'].hasOwnProperty('warned'));
}

// but _maxListeners still has precedence over defaultMaxListeners
{
  events.EventEmitter.defaultMaxListeners = 42;
  var e = new events.EventEmitter();
  e.setMaxListeners(1);
  e.on('uno', common.mustNotCall());
  assert.ok(!e._events['uno'].hasOwnProperty('warned'));
  e.on('uno', common.mustNotCall());
  assert.ok(e._events['uno'].hasOwnProperty('warned'));

// chainable
  assert.strictEqual(e, e.setMaxListeners(1));
}

${this.title}

Code Editor : check-listener-leaks.js