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#!/usr/bin/env python
from gnuradio import gr, gr_unittest, blocks
from xor_frame_sync import xor_frame_sync
import numpy as np
class test_xor_frame_sync(gr_unittest.TestCase):
def setUp(self):
self.tb = gr.top_block()
def tearDown(self):
self.tb = None
def test_001(self):
"""Test a byte aligned delay"""
pattern = np.array([0xc0, 0xff, 0xee], dtype=np.uint8)
testdata = np.packbits(np.concatenate([
np.unpackbits(np.arange(0, 5, dtype=np.uint8)),
np.random.randint(0, 2, size = 8 * 5),
np.unpackbits(pattern),
np.random.randint(0, 2, size = 64)
]))
src = blocks.vector_source_b(testdata)
op = xor_frame_sync(pattern, 2048)
dst = blocks.vector_sink_b()
self.tb.connect(src, op, dst)
self.tb.run()
self.assertEqual(op.synchronized, True)
# FIXME: implement feature
# def test_002(self):
# """Test a byte unaligned delay"""
# pattern = np.array([0xbe, 0xef], dtype=np.uint8)
# testdata = np.packbits(np.concatenate([
# np.unpackbits(np.arange(0, 10, dtype=np.uint8)),
# np.random.randint(0, 2, size = (2 + 8 * 5)), np.unpackbits(pattern),
# np.random.randint(0, 2, size = 64)
# ]))
# src = blocks.vector_source_b(testdata)
# op = xor_frame_sync(pattern, 2048)
# dst = blocks.vector_sink_b()
# self.tb.connect(src, op, dst)
# self.tb.run()
# self.assertEqual(op.synchronized, True)
if __name__ == "__main__":
gr_unittest.run(test_xor_frame_sync)
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