text: 'use strict';
  var common = require('../common');
  var exec = require('child_process').exec;
  var assert = require('assert');
  
  var cmd = 'echo "hello world"';
  
  exec(cmd, { maxBuffer: 5 }, function(err, stdout, stderr) {
    assert.ok(err);
    assert.ok(/maxBuffer/.test(err.message));
  });
  