text: /*
   * Bice#swap test, mix pieces of a Buffer.
   */
  
  exports.test  = function ( done, assertions ) {
      var log = console.log
          , exit = typeof done === 'function' ? done : function () {}
          , assert = assertions || require( 'assert' )
          , Bice = require( '../' )
          , swap = Bice.swap
          , numbers = [ 0, 11, 20, 36, 44, 54, 69, 72, 83, 255 ]
          , b = new Buffer( numbers )
          , t = new Buffer( numbers )
          , tlen = t.length
          , i = 0
          ;
  
  log( '- testing swap with test buffer :', t );
  
  for ( ; i < tlen; i += 4 ) swap( t, i, i + 2, 2 );
  
  log( '- check 2-bytes swap result:', t );
  
  assert.deepEqual( t, new Buffer( [ 20, 36, 0, 11, 69, 72, 44, 54, 83, 255 ] ) );
  
  for ( i = 0; i < tlen; i += 4 ) swap( t, i, i + 2, 2 );
  
  log( '- check 2-bytes swap result:', t );
  
  assert.deepEqual( b, t );
  
      exit();
  };
  
  // single test execution with node
  if ( process.argv[ 1 ] === __filename  ) exports.test = exports.test();