mathjs/examples/node_modules/events/tests/errors.js

Math.js is an extensive math library for JavaScript and Node.js. It features a flexible expression parser with support for symbolic computation, comes with a large set of built-in functions and constants, and offers an integrated solution to work with dif

'use strict';
var assert = require('assert');
var EventEmitter = require('../');

var EE = new EventEmitter();

assert.throws(function () {
  EE.emit('error', 'Accepts a string');
}, 'Error: Unhandled error. (Accepts a string)');

assert.throws(function () {
  EE.emit('error', { message: 'Error!' });
}, 'Unhandled error. ([object Object])');