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#!/usr/bin/env python
#
# Copyright 2012 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 digital_swig as digital
class test_chunks_to_symbols(gr_unittest.TestCase):
def setUp (self):
self.tb = gr.top_block ()
def tearDown (self):
self.tb = None
def test_bc_001(self):
const = [ 1+0j, 0+1j,
-1+0j, 0-1j]
src_data = (0, 1, 2, 3, 3, 2, 1, 0)
expected_result = (1+0j, 0+1j, -1+0j, 0-1j,
0-1j, -1+0j, 0+1j, 1+0j)
src = gr.vector_source_b(src_data)
op = digital.chunks_to_symbols_bc(const)
dst = gr.vector_sink_c()
self.tb.connect(src, op)
self.tb.connect(op, dst)
self.tb.run()
actual_result = dst.data()
self.assertEqual(expected_result, actual_result)
def test_bf_002(self):
const = [-3, -1, 1, 3]
src_data = (0, 1, 2, 3, 3, 2, 1, 0)
expected_result = (-3, -1, 1, 3,
3, 1, -1, -3)
src = gr.vector_source_b(src_data)
op = digital.chunks_to_symbols_bf(const)
dst = gr.vector_sink_f()
self.tb.connect(src, op)
self.tb.connect(op, dst)
self.tb.run()
actual_result = dst.data()
self.assertEqual(expected_result, actual_result)
def test_ic_003(self):
const = [ 1+0j, 0+1j,
-1+0j, 0-1j]
src_data = (0, 1, 2, 3, 3, 2, 1, 0)
expected_result = (1+0j, 0+1j, -1+0j, 0-1j,
0-1j, -1+0j, 0+1j, 1+0j)
src = gr.vector_source_i(src_data)
op = digital.chunks_to_symbols_ic(const)
dst = gr.vector_sink_c()
self.tb.connect(src, op)
self.tb.connect(op, dst)
self.tb.run()
actual_result = dst.data()
self.assertEqual(expected_result, actual_result)
def test_if_004(self):
const = [-3, -1, 1, 3]
src_data = (0, 1, 2, 3, 3, 2, 1, 0)
expected_result = (-3, -1, 1, 3,
3, 1, -1, -3)
src = gr.vector_source_i(src_data)
op = digital.chunks_to_symbols_if(const)
dst = gr.vector_sink_f()
self.tb.connect(src, op)
self.tb.connect(op, dst)
self.tb.run()
actual_result = dst.data()
self.assertEqual(expected_result, actual_result)
def test_sc_005(self):
const = [ 1+0j, 0+1j,
-1+0j, 0-1j]
src_data = (0, 1, 2, 3, 3, 2, 1, 0)
expected_result = (1+0j, 0+1j, -1+0j, 0-1j,
0-1j, -1+0j, 0+1j, 1+0j)
src = gr.vector_source_s(src_data)
op = digital.chunks_to_symbols_sc(const)
dst = gr.vector_sink_c()
self.tb.connect(src, op)
self.tb.connect(op, dst)
self.tb.run()
actual_result = dst.data()
self.assertEqual(expected_result, actual_result)
def test_sf_006(self):
const = [-3, -1, 1, 3]
src_data = (0, 1, 2, 3, 3, 2, 1, 0)
expected_result = (-3, -1, 1, 3,
3, 1, -1, -3)
src = gr.vector_source_s(src_data)
op = digital.chunks_to_symbols_sf(const)
dst = gr.vector_sink_f()
self.tb.connect(src, op)
self.tb.connect(op, dst)
self.tb.run()
actual_result = dst.data()
self.assertEqual(expected_result, actual_result)
if __name__ == '__main__':
gr_unittest.run(test_chunks_to_symbols, "test_chunks_to_symbols.xml")
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