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#!/usr/bin/env python
#
# Copyright 2004,2007,2010,2013 Free Software Foundation, Inc.
#
# This file is part of GNU Radio
#
# GNU Radio 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 3, or (at your option)
# any later version.
#
# GNU Radio 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 General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with GNU Radio; see the file COPYING. If not, write to
# the Free Software Foundation, Inc., 51 Franklin Street,
# Boston, MA 02110-1301, USA.
#
from gnuradio import gr, gr_unittest
import blocks_swig as blocks
class test_head(gr_unittest.TestCase):
def setUp(self):
self.tb = gr.top_block()
def tearDown(self):
self.tb = None
def test_head(self):
src_data = (1, 2, 3, 4, 5, 6, 7, 8, 9, 10)
expected_result = (1, 2, 3, 4)
src1 = blocks.vector_source_i(src_data)
op = blocks.head(gr.sizeof_int, 4)
dst1 = blocks.vector_sink_i()
self.tb.connect(src1, op)
self.tb.connect(op, dst1)
self.tb.run()
dst_data = dst1.data()
self.assertEqual(expected_result, dst_data)
if __name__ == '__main__':
gr_unittest.run(test_head, "test_head.xml")
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