// -*- Mode: JavaScript; tab-width: 4; -*-
var local = {};
local.collectionToArray = function(node){
   return Array.prototype.slice.call(node);
};
try{
    local.collectionToArray(root.childNodes);
}
catch(e){
	local.collectionToArray = function(node){
		if (node instanceof Array) return node;
		var i = node.length, array = new Array(i);
		while (i--) array[i] = node[i];
		return array;
	};
}


function benchmarkSelectors(specs,context){
	var selectors = global.selectors;
	if (global.disableQSA) {
		try{
			context.document.querySelector = null;
			context.Element.prototype.querySelectorAll = null;
			context.document.querySelector = null;
			context.Element.prototype.querySelector = null;
		}catch(e){}
	}
	
	global.SlickLast.debug = function(error){
		throw error;
	};
	global.SlickThis.debug = function(error){
		throw error;
	};
	
	context = context.document.documentElement;
	for (ii=0; ii < selectors.length; ii++) if (selectors[ii]){
		
		
		if (context.querySelectorAll) {
			// it['QSA Array '] = _benchmarkSelectors(function(searchContext,selector){
			// 	try{
			// 		return local.collectionToArray(searchContext.querySelectorAll.call(searchContext,selector));
			// 	}catch(e){}
			// }, context, selectors);
			
			it['Slick WIP '+selectors[ii]] = _benchmarkSelectors(function(searchContext,selector){ return global.SlickThis.search(searchContext,selector); }, context, selectors[ii], function(){global.SlickThis.disableQSA = false;});
			it['Slick Stable '+selectors[ii]] = _benchmarkSelectors(function(searchContext,selector){ return global.SlickLast.search(searchContext,selector); }, context, selectors[ii], function(){global.SlickLast.disableQSA = false;});
		}
		else {
			it['Slick WIP '+selectors[ii]] = _benchmarkSelectors(function(searchContext,selector){ return global.SlickThis.search(searchContext,selector); }, context, selectors[ii], function(){global.SlickThis.disableQSA = true;});
			it['Slick Stable '+selectors[ii]] = _benchmarkSelectors(function(searchContext,selector){ return global.SlickLast.search(searchContext,selector); }, context, selectors[ii], function(){global.SlickLast.disableQSA = true;});
		}
		// it['Slick WIP noQSA '] = _benchmarkSelectors(function(searchContext,selector){ return global.SlickThis(searchContext,selector); }, context, selectors, function(){global.SlickThis.disableQSA = true;});
		// it['Slick Stable noQSA '] = _benchmarkSelectors(function(searchContext,selector){ return global.SlickLast(searchContext,selector); }, context, selectors, function(){global.SlickLast.disableQSA = true;}); 
		// 
		// if (global.Sizzle) {
		// 	it['Sizzle '] = _benchmarkSelectors(function(searchContext,selector){ return global.Sizzle(selector,searchContext); }, context, selectors);
		// }
		// 
		// if (global.NW) {
		// 	global.NW.Dom.setCache(false);
		// 	it['NWm '] = _benchmarkSelectors(function(searchContext,selector){ return global.NW.Dom.select(selector,searchContext); }, context, selectors);
		// }
		// 
		// // if (global.yass) {
		// // 	// global.yass.setCache(false);
		// // 	it['YASS'] = _benchmarkSelectors(function(doc,selector){ return global.yass(selector,doc,true); }, context, selectors);
		// // }
		// 
		// if (global.Sly) {
		// 	it['Sly '] = _benchmarkSelectors(function(doc,selector){ return global.Sly.search(selector,doc); }, context, selectors);
		// }
		
	}
}

function _benchmarkSelectors(SELECT,context,selector,before,after){
	function __benchmarkSelectors(count){
		var document = context.document;
		var i, ii, node, l;
		var elements = SELECT(document,'*');
		before = before || function(){};
		after = after || function(){};
		before(context);
		var results;
		
		while(count--){
				
				for (i=0; node = elements[i++];) { 
					//node.uniqueNumber = 
					node._cssId = null;
				};
				try{
					results = SELECT(document, selector).length;
				}catch(error){
					results = error;
				}
				
		}
		after(context);
		return results;
	}
	return __benchmarkSelectors;
};