summaryrefslogtreecommitdiff
path: root/gr-blocks/python/qa_skiphead.py
blob: 50a9bbc639488a2edb1594805c27f5460f3a3470 (plain)
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
#!/usr/bin/env python
#
# Copyright 2007,2010,2013 Free Software Foundation, Inc.
#
# This file is part of GNU Radio
#
# GNU Radio is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3, or (at your option)
# any later version.
#
# GNU Radio is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with GNU Radio; see the file COPYING.  If not, write to
# the Free Software Foundation, Inc., 51 Franklin Street,
# Boston, MA 02110-1301, USA.
#

from gnuradio import gr, gr_unittest
import blocks_swig as blocks

class test_skiphead(gr_unittest.TestCase):

    def setUp(self):
        self.tb = gr.top_block()
        self.src_data = [int(x) for x in range(65536)]

    def tearDown(self):
        self.tb = None

    def test_skip_0(self):
        skip_cnt = 0
        expected_result = tuple(self.src_data[skip_cnt:])
        src1 = blocks.vector_source_i(self.src_data)
        op = blocks.skiphead(gr.sizeof_int, skip_cnt)
        dst1 = blocks.vector_sink_i()
        self.tb.connect(src1, op, dst1)
        self.tb.run()
        dst_data = dst1.data()
        self.assertEqual(expected_result, dst_data)

    def test_skip_1(self):
        skip_cnt = 1
        expected_result = tuple(self.src_data[skip_cnt:])
        src1 = blocks.vector_source_i(self.src_data)
        op = blocks.skiphead(gr.sizeof_int, skip_cnt)
        dst1 = blocks.vector_sink_i()
        self.tb.connect(src1, op, dst1)
        self.tb.run()
        dst_data = dst1.data()
        self.assertEqual(expected_result, dst_data)

    def test_skip_1023(self):
        skip_cnt = 1023
        expected_result = tuple(self.src_data[skip_cnt:])
        src1 = blocks.vector_source_i(self.src_data)
        op = blocks.skiphead(gr.sizeof_int, skip_cnt)
        dst1 = blocks.vector_sink_i()
        self.tb.connect(src1, op, dst1)
        self.tb.run()
        dst_data = dst1.data()
        self.assertEqual(expected_result, dst_data)

    def test_skip_6339(self):
        skip_cnt = 6339
        expected_result = tuple(self.src_data[skip_cnt:])
        src1 = blocks.vector_source_i(self.src_data)
        op = blocks.skiphead(gr.sizeof_int, skip_cnt)
        dst1 = blocks.vector_sink_i()
        self.tb.connect(src1, op, dst1)
        self.tb.run()
        dst_data = dst1.data()
        self.assertEqual(expected_result, dst_data)

    def test_skip_12678(self):
        skip_cnt = 12678
        expected_result = tuple(self.src_data[skip_cnt:])
        src1 = blocks.vector_source_i(self.src_data)
        op = blocks.skiphead(gr.sizeof_int, skip_cnt)
        dst1 = blocks.vector_sink_i()
        self.tb.connect(src1, op, dst1)
        self.tb.run()
        dst_data = dst1.data()
        self.assertEqual(expected_result, dst_data)

    def test_skip_all(self):
        skip_cnt = len(self.src_data)
        expected_result = tuple(self.src_data[skip_cnt:])
        src1 = blocks.vector_source_i(self.src_data)
        op = blocks.skiphead(gr.sizeof_int, skip_cnt)
        dst1 = blocks.vector_sink_i()
        self.tb.connect(src1, op, dst1)
        self.tb.run()
        dst_data = dst1.data()
        self.assertEqual(expected_result, dst_data)


if __name__ == '__main__':
    gr_unittest.run(test_skiphead, "test_skiphead.xml")