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#!/usr/bin/env python
from gnuradio import gr, gr_unittest, blocks
import gnuradio.dab as grdab
class qa_ofdm_insert_pilot_vcc(gr_unittest.TestCase):
"""
@brief Module test for the class that inserts the pilot symbol.
This class implements a test bench to verify the corresponding C++ class.
"""
def setUp(self):
self.tb = gr.top_block()
def tearDown(self):
self.tb = None
def test_001_ofdm_insert_pilot_vcc(self):
pilot = [1j,2]
src_data0 = (0,1,2,3,4,5,6,7,8,9,0,1,2,3)
src_data1 = (1,0,0,1,0,1,0)
expected_result0 = (1j,2,0,1,2,3,4,5,1j,2,6,7,8,9,1j,2,0,1,2,3)
expected_result0 = [x+0j for x in expected_result0]
expected_result1 = (1,0,0,0,1,0,0,1,0,0)
src0 = blocks.vector_source_c(src_data0)
src1 = blocks.vector_source_b(src_data1)
s2v0 = blocks.stream_to_vector(gr.sizeof_gr_complex,2)
ofdm_insert_pilot = grdab.ofdm_insert_pilot_vcc(pilot)
v2s0 = blocks.vector_to_stream(gr.sizeof_gr_complex,2)
dst0 = blocks.vector_sink_c()
dst1 = blocks.vector_sink_b()
self.tb.connect(src0, s2v0, (ofdm_insert_pilot,0))
self.tb.connect(src1, (ofdm_insert_pilot,1))
self.tb.connect((ofdm_insert_pilot,0), v2s0, dst0)
self.tb.connect((ofdm_insert_pilot,1), dst1)
self.tb.run()
result_data0 = dst0.data()
result_data1 = dst1.data()
self.assertComplexTuplesAlmostEqual(expected_result0, result_data0, 6)
self.assertEqual(result_data1, expected_result1)
if __name__ == '__main__':
gr_unittest.main()
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