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#!/usr/bin/env python
from gnuradio import gr, gr_unittest, blocks
import gnuradio.dab as grdab
class qa_select_vectors(gr_unittest.TestCase):
"""
@brief QA for the vector select block
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_select_vectors(self):
skip = 2
len = 3
vlen = 2
src_data = (0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,0,1,2,3,4,5,6,7,8,9)
trig = (0, 1, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0)
expected_data = (6,7,8,9,10,11,6,7,8,9)
expected_trig = (1, 0, 0, 1, 0)
src = blocks.vector_source_b(src_data)
trigsrc = blocks.vector_source_b(trig)
s2v = blocks.stream_to_vector(gr.sizeof_char, 2)
select_vectors = grdab.select_vectors(gr.sizeof_char,vlen,len,skip)
v2s = blocks.vector_to_stream(gr.sizeof_char, 2)
dst = blocks.vector_sink_b()
trigdst = blocks.vector_sink_b()
self.tb.connect(src, s2v, select_vectors, v2s, dst)
self.tb.connect(trigsrc, (select_vectors,1), trigdst)
self.tb.run()
result_data = dst.data()
result_trig = trigdst.data()
# print expected_result
# print result_data
self.assertEqual(expected_data, result_data)
self.assertEqual(expected_trig, result_trig)
def test_002_select_vectors(self):
skip = 2
len = 3
vlen = 2
src_data = (0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,0,1,2,3,4,5,6,7,8,9)
trig = (0, 1, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0)
expected_data = (6,7,8,9,10,11,6,7,8,9)
expected_trig = (1, 0, 0, 1, 0)
src = blocks.vector_source_f(src_data)
trigsrc = blocks.vector_source_b(trig)
s2v = blocks.stream_to_vector(gr.sizeof_float, 2)
select_vectors = grdab.select_vectors(gr.sizeof_float,vlen,len,skip)
v2s = blocks.vector_to_stream(gr.sizeof_float, 2)
dst = blocks.vector_sink_f()
trigdst = blocks.vector_sink_b()
self.tb.connect(src, s2v, select_vectors, v2s, dst)
self.tb.connect(trigsrc, (select_vectors,1), trigdst)
self.tb.run()
result_data = dst.data()
result_trig = trigdst.data()
# print expected_result
# print result_data
self.assertFloatTuplesAlmostEqual(expected_data, result_data)
self.assertEqual(expected_trig, result_trig)
if __name__ == '__main__':
gr_unittest.main()
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