'Windows has \'special\' filenames like NUL and CON and COM1 and LPR
and PRN and ... god knows what else.  They can be located anywhere in
the filesystem.  For obvious reasons, we do not wish to normally permit
access to these.'

def testInsecureWin32Whacky(self):

    self.assertRaises(filepath.InsecurePath, self.path.child, 'CON')
    self.assertRaises(filepath.InsecurePath, self.path.child, 'C:CON')
    self.assertRaises(filepath.InsecurePath, self.path.child, 'C:\\CON')
