assert.js

(function()
{
	document.write("<style>#results li.pass { color: green;}#results li.fail { color: red;}</style>");
	document.write("<ul id='results'></ul>");
	
	var results;
	this.assert = function assert(value, desc)
	{
		results = results || document.getElementById("results");
		var li = document.createElement('li');
		li.className = value ? "pass" : "fail";
		li.appendChild(document.createTextNode(desc));
		results.appendChild(li);
		if (!value)
		{
			li.parentNode.parentNode.className = "fail";
		}
		return li;
	};


	this.test = function test(name, fn)
	{
		results = document.getElementById("results");
		results = assert(true, name).appendChild(document.createElement("ul"));
		fn();
	}


})()