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#!/usr/bin/env python
from gnuradio import gr, gr_unittest, blocks
import gnuradio.dab as grdab
class qa_qpsk_demapper_vcb(gr_unittest.TestCase):
"""
@brief QA for the QPSK demapper.
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_qpsk_demapper_vcb(self):
src_data = [1+2j,3+1j,-1+1j,-1+1j,-0.0001+1000j,1+1j,1+1j,1+1j]
expected_result = (10,128)
src = blocks.vector_source_c(src_data)
s2v = blocks.stream_to_vector(gr.sizeof_gr_complex, 4)
qpsk_demapper_vcb = grdab.qpsk_demapper_vcb(4)
v2s = blocks.vector_to_stream(gr.sizeof_char, 1)
dst = blocks.vector_sink_b()
self.tb.connect(src, s2v, qpsk_demapper_vcb, v2s, dst)
self.tb.run()
result_data = dst.data()
# print expected_result
# print result_data
self.assertEqual(expected_result, result_data)
if __name__ == '__main__':
gr_unittest.main()
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