text: /* */ 
  var assert = require('assert');
  var EventEmitter = require('../events').EventEmitter;
  var e = new EventEmitter;
  var fl;
  fl = e.listeners('foo');
  assert(Array.isArray(fl));
  assert(fl.length === 0);
  assert.deepEqual(e._events, {});
  e.on('foo', assert.fail);
  fl = e.listeners('foo');
  assert(e._events.foo === assert.fail);
  assert(Array.isArray(fl));
  assert(fl.length === 1);
  assert(fl[0] === assert.fail);
  e.listeners('bar');
  assert(!e._events.hasOwnProperty('bar'));
  e.on('foo', assert.ok);
  fl = e.listeners('foo');
  assert(Array.isArray(e._events.foo));
  assert(e._events.foo.length === 2);
  assert(e._events.foo[0] === assert.fail);
  assert(e._events.foo[1] === assert.ok);
  assert(Array.isArray(fl));
  assert(fl.length === 2);
  assert(fl[0] === assert.fail);
  assert(fl[1] === assert.ok);
  