3 # Copyright 2004,2007,2010 Free Software Foundation, Inc.
5 # This file is part of GNU Radio
7 # GNU Radio is free software; you can redistribute it and/or modify
8 # it under the terms of the GNU General Public License as published by
9 # the Free Software Foundation; either version 3, or (at your option)
12 # GNU Radio is distributed in the hope that it will be useful,
13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 # GNU General Public License for more details.
17 # You should have received a copy of the GNU General Public License
18 # along with GNU Radio; see the file COPYING. If not, write to
19 # the Free Software Foundation, Inc., 51 Franklin Street,
20 # Boston, MA 02110-1301, USA.
23 from gnuradio import gr, gr_unittest
26 class test_delay (gr_unittest.TestCase):
29 self.tb = gr.top_block ()
37 src_data = [float(x) for x in range(0, 100)]
38 expected_result = tuple(delta_t*[0.0] + src_data)
40 src = gr.vector_source_f(src_data)
41 op = gr.delay(gr.sizeof_float, delta_t)
42 dst = gr.vector_sink_f ()
44 tb.connect (src, op, dst)
46 dst_data = dst.data ()
47 self.assertEqual (expected_result, dst_data)
52 src_data = [float(x) for x in range(0, 100)]
53 expected_result = tuple(delta_t*[0.0] + src_data[0:-delta_t])
55 src = gr.vector_source_f(src_data)
56 op = gr.delay(gr.sizeof_float, delta_t)
57 dst = gr.vector_sink_f ()
59 tb.connect (src, op, dst)
61 dst_data = dst.data ()
62 self.assertEqual (expected_result, dst_data)
64 if __name__ == '__main__':
65 gr_unittest.run(test_delay, "test_delay.xml")