'use strict'
var nul = process.platform === 'win32' ? '\\\\.\\NUL' : '/dev/null'
var bench = require('fastbench')
var stream = require('fs').createWriteStream(nul)
var flatstr = require('./')
var largeStr = JSON.stringify(require('./package.json'))
largeStr += largeStr
largeStr += largeStr

var run = bench([
 function unflattenedManySmallConcats (cb) {
 stream.write(makeStr('a', 200))
 setImmediate(cb)
 },
 function flattenedManySmallConcats (cb) {
 stream.write(flatstr(makeStr('a', 200)))
 setImmediate(cb)
 },
 function unflattenedSeveralLargeConcats (cb) {
 stream.write(makeStr(largeStr, 10))
 setImmediate(cb)
 },
 function flattenedSeveralLargeConcats (cb) {
 stream.write(flatstr(makeStr(largeStr, 10)))
 setImmediate(cb)
 },
 function unflattenedExponentialSmallConcats (cb) {
 stream.write(makeExpoStr('a', 12))
 setImmediate(cb)
 },
 function flattenedExponentialSmallConcats (cb) {
 stream.write(flatstr(makeExpoStr('a', 12)))
 setImmediate(cb)
 },
 function unflattenedExponentialLargeConcats (cb) {
 stream.write(makeExpoStr(largeStr, 7))
 setImmediate(cb)
 },
 function flattenedExponentialLargeConcats (cb) {
 stream.write(flatstr(makeExpoStr(largeStr, 7)))
 setImmediate(cb)
 }
], 10000)

run(run)

function makeStr (str, concats) {
 var s = ''
 while (concats--) {
 s += str
 }
 return s
}

function makeExpoStr (str, concats) {
 var s = str
 while (concats--) {
 s += s
 }
 return s
}