#!/usr/bin/env python

# Copyright (C) 2016 g10 Code GmbH

#

# This file is part of GPGME.

#

# GPGME is free software; you can redistribute it and/or modify it

# under the terms of the GNU General Public License as published by

# the Free Software Foundation; either version 2 of the License, or

# (at your option) any later version.

#

# GPGME is distributed in the hope that it will be useful, but WITHOUT

# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY

# or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General

# Public License for more details.

#

# You should have received a copy of the GNU Lesser General Public

# License along with this program; if not, see <https://www.gnu.org/licenses/>.

from __future__ import absolute_import, print_function, unicode_literals

import time

import gpg

import support

_ = support  # to appease pyflakes.

del absolute_import, print_function, unicode_literals

c = gpg.Context()

c.set_armor(True)

# Checking a message without a signature.

sig = gpg.Data("foo\n")

text = gpg.Data()

c.op_verify_start(sig, None, text)

try:

    while True:

        err = c.wait(False)

        if err:

            break

        time.sleep(0.1)

except Exception as e:

    assert e.getcode() == gpg.errors.NO_DATA

else:

    assert False, "Expected an error, got none"