var assert = require('assert');
var multipartser = require('multipartser'),
    boundary = '-----------------------------168072824752491622650073',
    parser = multipartser(),
    mb = 100,
    buffer = createMultipartBuffer(boundary, mb * 1024 * 1024),
    callbacks =
      { partBegin: -1,
        partEnd: -1,
        headerField: -1,
        headerValue: -1,
        partData: -1,
        end: -1,
      };

parser.boundary( boundary );

parser.on( 'part', function ( part ) {
});

parser.on( 'end', function () {
  //console.log( 'completed parsing' );
});

parser.on( 'error', function ( error ) {
  console.error( error );
});

var start = +new Date(),
    nparsed = parser.data(buffer),
    nend = parser.end(),
    duration = +new Date - start,
    mbPerSec = (mb / (duration / 1000)).toFixed(2);

console.log(mbPerSec+' mb/sec');

//assert.equal(nparsed, buffer.length);

function createMultipartBuffer(boundary, size) {
  var head =
        '--'+boundary+'\r\n'
      + 'content-disposition: form-data; name="field1"\r\n'
      + '\r\n'
    , tail = '\r\n--'+boundary+'--\r\n'
    , buffer = Buffer.allocUnsafe(size);

  buffer.write(head, 'ascii', 0);
  buffer.write(tail, 'ascii', buffer.length - tail.length);
  return buffer;
}

process.on('exit', function() {
  /*for (var k in callbacks) {
    assert.equal(0, callbacks[k], k+' count off by '+callbacks[k]);
  }*/
});