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#!/usr/bin/env python
# -*- coding: utf-8 -*-
#
# Copyright 2015 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
from gnuradio import blocks, analog
import numpy as np
class qa_random_uniform_source(gr_unittest.TestCase):
def setUp(self):
self.tb = gr.top_block()
def tearDown(self):
self.tb = None
def test_001_byte(self):
minimum = 0
maximum = 5
seed = 3
n_items = 10000
rnd_src = analog.random_uniform_source_b(minimum, maximum, seed)
head = blocks.head(1, n_items)
snk = blocks.vector_sink_b(1)
self.tb.connect(rnd_src, head, snk)
# set up fg
self.tb.run()
# check data
res = snk.data()
self.assertGreaterEqual(minimum, np.min(res))
self.assertLess(np.max(res), maximum)
def test_002_short(self):
minimum = 42
maximum = 1025
seed = 3
n_items = 10000
rnd_src = analog.random_uniform_source_s(minimum, maximum, seed)
head = blocks.head(2, n_items)
snk = blocks.vector_sink_s(1)
self.tb.connect(rnd_src, head, snk)
# set up fg
self.tb.run()
# check data
res = snk.data()
self.assertGreaterEqual(minimum, np.min(res))
self.assertLess(np.max(res), maximum)
def test_003_int(self):
minimum = 2 ** 12 - 2
maximum = 2 ** 17 + 5
seed = 3
n_items = 10000
rnd_src = analog.random_uniform_source_i(minimum, maximum, seed)
head = blocks.head(4, n_items)
snk = blocks.vector_sink_i(1)
self.tb.connect(rnd_src, head, snk)
# set up fg
self.tb.run()
# check data
res = snk.data()
# plt.hist(res)
# plt.show()
self.assertGreaterEqual(np.min(res), minimum)
self.assertLess(np.max(res), maximum)
if __name__ == '__main__':
gr_unittest.run(qa_random_uniform_source)
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