var css = require('./')
 , fs = require('fs')
 , read = fs.readFileSync
 , str = read('examples/ui.css', 'utf8');

var n = 5000;
var ops = 200;
var t = process.hrtime(t);
var results = [];

while (n--) {
 css.stringify(css.parse(str));
 if (n % ops == 0) {
 t = process.hrtime(t);
 var ms = t[1] / 1000 / 1000;
 var persec = (ops * (1000 / ms) | 0);
 results.push(persec);
 process.stdout.write('\r [' + persec + ' ops/s] [' + n + ']');
 t = process.hrtime();
 }
}

function sum(arr) {
 return arr.reduce(function(sum, n){
 return sum + n;
 });
}

function mean(arr) {
 return sum(arr) / arr.length | 0;
}

console.log();
console.log(' avg: %d ops/s', mean(results));
console.log(' size: %d kb', (str.length / 1024).toFixed(2));