'Verify consistency of L{Platform.isVista}: it can only be C{True} if
L{Platform.isWinNT} and L{Platform.isWindows} are C{True}.'

def test_isVistaConsistency(self):

    platform = Platform()
    if platform.isVista():
        self.assertTrue(platform.isWinNT())
        self.assertTrue(platform.isWindows())
        self.assertFalse(platform.isMacOSX())
