lorenzoongithub

// Based on an article by kyle simpson - youdontknowjs
// ===================================================
//
// String(x)  
//

if ( String(0) !== "0") throw '' 
if ( String(.0) !== "0") throw '' 
if ( String(-0) !== "0") throw '' 
if ( isNaN( String(NaN) ) === false) throw ''

lorenzoongithub

//
// see: http://underscorejs.org/
// 

load('http://underscorejs.org/underscore-min.js'); 

sum = 0;
_.each([1, 2, 3],function(i) { sum+=i });
if (sum !== 6) throw '';

lorenzoongithub

// first cut.
// see: http://arasatasaygin.github.io/is.js/
//

load('http://arasatasaygin.github.io/is.js/scripts/is.js');

var getArguments = function() {
    return arguments;
};
var arguments = getArguments();

lorenzoongithub

// make sure it doesn't count my own properties
(function () {
    var results, currentWindow,
    // create an iframe and append to body to load a clean window object
    iframe = document.createElement('iframe');
    iframe.style.display = 'none';
    document.body.appendChild(iframe);
    // get the current list of properties on window
    currentWindow = Object.getOwnPropertyNames(window);
    // filter the list against the properties that exist in the clean window

lorenzoongithub

//
// Showcase for Esprima. 
// http://esprima.org
//
// This work is based on the following work
// https://github.com/marijnh/acorn/blob/master/test/tests.js 
//


load('http://esprima.org/esprima.js');

lorenzoongithub

//
// A basic function to check whether two values are equal, in the intuitive sense.
//
function equal(a, b) {
  if (a !== null && a !== undefined && b !== null && b !== undefined) {
    if (a.length !== b.length) return false; 
    if (a !== a.toString() && b !== b.toString()) {
      for (var i in a) { if (!equal(a[i],b[i])) return false; }
      for (var i in b) { if (!equal(a[i],b[i])) return false; }
    }  

lorenzoongithub

//
// javascript's math
//
var x = 0.1;
var y = 0.2;

if (x+y == 0.3) throw '';
if (x+y != 0.30000000000000004) throw '';

lorenzoongithub

//
// A falsy value is a value that translates to false when evaluated in a Boolean context.
// see: https://developer.mozilla.org/en-US/docs/Glossary/Falsy
// 
if (false)       throw '';
if (null)        throw '';  
if (undefined)   throw '';
if (0)           throw '';
if (NaN)         throw '';
if ('')          throw '';

lorenzoongithub

//
// see: papaparse.com
// use cases derived from https://raw.githubusercontent.com/mholt/PapaParse/master/tests/test-cases.js
//

load('http://papaparse.com/resources/js/papaparse.js');

//One row
oj = Papa.parse("A,b,c");
if (oj.data === null)      throw "";

lorenzoongithub

//
// numerals.js - a javascript library for formatting and manipulating numbers
//
// http://numeraljs.com/
// https://github.com/adamwdraper/Numeral-js
//
//
// This work has been derived from 
// https://github.com/adamwdraper/Numeral-js/blob/master/tests/numeral/format.js
//