text: /* */ 
  'use strict';
  var Buffer = require('../../index').Buffer;
  var assert = require('assert');
  var safe = Buffer.alloc(10);
  function isZeroFilled(buf) {
    for (var n = 0; n < buf.length; n++)
      if (buf[n] !== 0)
        return false;
    return true;
  }
  assert(isZeroFilled(safe));
  Buffer.allocUnsafe(10);
  assert(isZeroFilled(new Float64Array(10)));
  new Buffer(10);
  assert(isZeroFilled(new Float64Array(10)));
  Buffer.allocUnsafe(10);
  assert(isZeroFilled(Buffer.alloc(10)));
  