old_contents: var mkdirp = require('../');
  var path = require('path');
  var fs = require('fs');
  var test = require('tap').test;
  
  test('umask sync modes', function (t) {
      t.plan(2);
      var x = Math.floor(Math.random() * Math.pow(16,4)).toString(16);
      var y = Math.floor(Math.random() * Math.pow(16,4)).toString(16);
      var z = Math.floor(Math.random() * Math.pow(16,4)).toString(16);
  
      var file = '/tmp/' + [x,y,z].join('/');
  
      try {
          mkdirp.sync(file, 0755);
      } catch (err) {
          t.fail(err);
          return t.end();
      }
  
      path.exists(file, function (ex) {
          if (!ex) t.fail('file not created')
          else fs.stat(file, function (err, stat) {
              if (err) t.fail(err)
              else {
                  t.equal(stat.mode & 0777, (0777 & (~process.umask())));
                  t.ok(stat.isDirectory(), 'target not a directory');
                  t.end();
              }
          });
      });
  });
  
new_contents: var mkdirp = require('../');
  var path = require('path');
  var fs = require('fs');
  var test = require('tap').test;
  
  test('umask sync modes', function (t) {
      t.plan(2);
      var x = Math.floor(Math.random() * Math.pow(16,4)).toString(16);
      var y = Math.floor(Math.random() * Math.pow(16,4)).toString(16);
      var z = Math.floor(Math.random() * Math.pow(16,4)).toString(16);
  
      var file = '/tmp/' + [x,y,z].join('/');
  
      try {
          mkdirp.sync(file);
      } catch (err) {
          t.fail(err);
          return t.end();
      }
  
      path.exists(file, function (ex) {
          if (!ex) t.fail('file not created')
          else fs.stat(file, function (err, stat) {
              if (err) t.fail(err)
              else {
                  t.equal(stat.mode & 0777, (0777 & (~process.umask())));
                  t.ok(stat.isDirectory(), 'target not a directory');
                  t.end();
              }
          });
      });
  });
  
subject: use the default umask() value in the sync umask test