1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
|
#!/usr/bin/env python
#
# Copyright 2013 Free Software Foundation, Inc.
#
# This file is part of GNU Radio
#
# SPDX-License-Identifier: GPL-3.0-or-later
#
#
import random
from gnuradio import gr, gr_unittest, blocks
import pmt
class qa_repack_bits_bb (gr_unittest.TestCase):
def setUp(self):
random.seed(0)
self.tb = gr.top_block()
self.tsb_key = "length"
def tearDown(self):
self.tb = None
def test_001_simple(self):
""" Very simple test, 2 bits -> 1 """
src_data = [0b11, 0b01, 0b10]
expected_data = [0b1, 0b1, 0b1, 0b0, 0b0, 0b1]
k = 2
l = 1
src = blocks.vector_source_b(src_data, False, 1)
repack = blocks.repack_bits_bb(k, l)
sink = blocks.vector_sink_b()
self.tb.connect(src, repack, sink)
self.tb.run()
self.assertEqual(sink.data(), expected_data)
def test_001_simple_msb(self):
""" Very simple test, 2 bits -> 1 with MSB set """
src_data = [0b11, 0b01, 0b10]
expected_data = [0b1, 0b1, 0b0, 0b1, 0b1, 0b0]
k = 2
l = 1
src = blocks.vector_source_b(src_data, False, 1)
repack = blocks.repack_bits_bb(k, l, "", False, gr.GR_MSB_FIRST)
sink = blocks.vector_sink_b()
self.tb.connect(src, repack, sink)
self.tb.run()
self.assertEqual(sink.data(), expected_data)
def test_002_three(self):
""" 8 -> 3 """
src_data = [0b11111101, 0b11111111, 0b11111111]
expected_data = [0b101, ] + [0b111, ] * 7
k = 8
l = 3
src = blocks.vector_source_b(src_data, False, 1)
repack = blocks.repack_bits_bb(k, l)
sink = blocks.vector_sink_b()
self.tb.connect(src, repack, sink)
self.tb.run()
self.assertEqual(sink.data(), expected_data)
def test_002_three(self):
""" 8 -> 3 """
src_data = [0b11111101, 0b11111111, 0b11111111]
expected_data = [0b101, ] + [0b111, ] * 7
k = 8
l = 3
src = blocks.vector_source_b(src_data, False, 1)
repack = blocks.repack_bits_bb(k, l)
sink = blocks.vector_sink_b()
self.tb.connect(src, repack, sink)
self.tb.run()
self.assertEqual(sink.data(), expected_data)
def test_002_three_msb(self):
""" 8 -> 3 """
src_data = [0b11111101, 0b11111111, 0b11111111]
expected_data = [0b111, ] + [0b111, ] + [0b011, ] + [0b111, ] * 5
k = 8
l = 3
src = blocks.vector_source_b(src_data, False, 1)
repack = blocks.repack_bits_bb(k, l, "", False, gr.GR_MSB_FIRST)
sink = blocks.vector_sink_b()
self.tb.connect(src, repack, sink)
self.tb.run()
self.assertEqual(sink.data(), expected_data)
def test_003_lots_of_bytes(self):
""" Lots and lots of bytes, multiple packer stages """
src_data = [random.randint(0, 255) for x in range(3 * 5 * 7 * 8 * 10)]
src = blocks.vector_source_b(src_data, False, 1)
repack1 = blocks.repack_bits_bb(8, 3)
repack2 = blocks.repack_bits_bb(3, 5)
repack3 = blocks.repack_bits_bb(5, 7)
repack4 = blocks.repack_bits_bb(7, 8)
sink = blocks.vector_sink_b()
self.tb.connect(src, repack1, repack2, repack3, repack4, sink)
self.tb.run()
self.assertEqual(sink.data(), src_data)
def test_003_lots_of_bytes_msb(self):
""" Lots and lots of bytes, multiple packer stages """
src_data = [random.randint(0, 255) for x in range(3 * 5 * 7 * 8 * 10)]
src = blocks.vector_source_b(src_data, False, 1)
repack1 = blocks.repack_bits_bb(8, 3, "", False, gr.GR_MSB_FIRST)
repack2 = blocks.repack_bits_bb(3, 5, "", False, gr.GR_MSB_FIRST)
repack3 = blocks.repack_bits_bb(5, 7, "", False, gr.GR_MSB_FIRST)
repack4 = blocks.repack_bits_bb(7, 8, "", False, gr.GR_MSB_FIRST)
sink = blocks.vector_sink_b()
self.tb.connect(src, repack1, repack2, repack3, repack4, sink)
self.tb.run()
self.assertEqual(sink.data(), src_data)
def test_004_three_with_tags(self):
""" 8 -> 3 """
src_data = [0b11111101, 0b11111111]
expected_data = [0b101, ] + [0b111, ] * 4 + [0b001, ]
k = 8
l = 3
src = blocks.vector_source_b(src_data, False, 1)
repack = blocks.repack_bits_bb(k, l, self.tsb_key)
sink = blocks.tsb_vector_sink_b(tsb_key=self.tsb_key)
self.tb.connect(
src,
blocks.stream_to_tagged_stream(
gr.sizeof_char,
1,
len(src_data),
self.tsb_key),
repack,
sink)
self.tb.run()
self.assertEqual(len(sink.data()), 1)
self.assertEqual(sink.data()[0], expected_data)
def test_005_three_with_tags_trailing(self):
""" 3 -> 8, trailing bits """
src_data = [0b101, ] + [0b111, ] * 4 + [0b001, ]
expected_data = [0b11111101, 0b11111111]
k = 3
l = 8
src = blocks.vector_source_b(src_data, False, 1)
repack = blocks.repack_bits_bb(k, l, self.tsb_key, True)
sink = blocks.tsb_vector_sink_b(tsb_key=self.tsb_key)
self.tb.connect(
src,
blocks.stream_to_tagged_stream(
gr.sizeof_char,
1,
len(src_data),
self.tsb_key),
repack,
sink)
self.tb.run()
self.assertEqual(len(sink.data()), 1)
self.assertEqual(sink.data()[0], expected_data)
if __name__ == '__main__':
gr_unittest.run(qa_repack_bits_bb)
|
