csrc/node-v0.10.24/test/simple/test-event-emitter-no-error-provided-to-error-event.js

// Copyright Joyent, Inc. and other Node contributors.
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var common = require('../common');
var assert = require('assert');
var events = require('events');
var domain = require('domain');

var errorCatched = false;

var e = new events.EventEmitter();

var d = domain.create();
d.add(e);
d.on('error', function (er) {
  assert(er instanceof TypeError, 'type error created');
  errorCatched = true;
});

e.emit('error');

process.on('exit', function () {
  assert(errorCatched, 'error got catched');
});