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path: root/gr-digital/python/digital/qa_probe_density.py
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#!/usr/bin/env python
#
# Copyright 2012,2013 Free Software Foundation, Inc.
#
# This file is part of GNU Radio
#
# SPDX-License-Identifier: GPL-3.0-or-later
#
#


from gnuradio import gr, gr_unittest, digital, blocks


class test_probe_density(gr_unittest.TestCase):

    def setUp(self):
        self.tb = gr.top_block()

    def tearDown(self):
        self.tb = None

    def test_001(self):
        src_data = [0, 1, 0, 1]
        expected_data = 1
        src = blocks.vector_source_b(src_data)
        op = digital.probe_density_b(1)
        self.tb.connect(src, op)
        self.tb.run()

        result_data = op.density()
        self.assertEqual(expected_data, result_data)

    def test_002(self):
        src_data = [1, 1, 1, 1]
        expected_data = 1
        src = blocks.vector_source_b(src_data)
        op = digital.probe_density_b(0.01)
        self.tb.connect(src, op)
        self.tb.run()

        result_data = op.density()
        self.assertEqual(expected_data, result_data)

    def test_003(self):
        src_data = [0, 1, 0, 1, 0, 1, 0, 1, 0, 1]
        expected_data = 0.95243
        src = blocks.vector_source_b(src_data)
        op = digital.probe_density_b(0.01)
        self.tb.connect(src, op)
        self.tb.run()

        result_data = op.density()
        print(result_data)
        self.assertAlmostEqual(expected_data, result_data, 5)


if __name__ == '__main__':
    gr_unittest.run(test_probe_density)