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# Copyright (C) by Josh Blum. See LICENSE.txt for licensing information.
import unittest
import gras
import numpy
from demo_blocks import *
class BlockTest(unittest.TestCase):
def test_vector_blocks(self):
vec_source = VectorSource(numpy.uint32, [0, 9, 8, 7, 6])
vec_sink = VectorSink(numpy.uint32)
tb = gras.TopBlock()
tb.connect(vec_source, vec_sink)
tb.run()
tb = None
self.assertEqual(vec_sink.get_vector(), (0, 9, 8, 7, 6))
def test_add_f32(self):
tb = gras.TopBlock()
src0 = VectorSource(numpy.float32, [1, 3, 5, 7, 9])
src1 = VectorSource(numpy.float32, [0, 2, 4, 6, 8])
adder = Add2X(numpy.float32)
sink = VectorSink(numpy.float32)
tb.connect((src0, 0), (adder, 0))
tb.connect((src1, 0), (adder, 1))
tb.connect(adder, sink)
tb.run()
tb = None
self.assertEqual(sink.get_vector(), (1, 5, 9, 13, 17))
def test_add_fc32(self):
tb = gras.TopBlock()
src0 = VectorSource(numpy.complex64, [1, 3j, 5, 7j, 9])
src1 = VectorSource(numpy.complex64, [0, 2j, 4, 6j, 8])
adder = Add2X(numpy.complex64)
sink = VectorSink(numpy.complex64)
tb.connect((src0, 0), (adder, 0))
tb.connect((src1, 0), (adder, 1))
tb.connect(adder, sink)
tb.run()
tb = None
self.assertEqual(sink.get_vector(), (1, 5j, 9, 13j, 17))
def test_tag_source(self):
tb = gras.TopBlock()
src = TagSource([1, 2, 3])
sink = NullSink(numpy.uint8)
tb.connect(src, sink)
tb.run()
tb = None
if __name__ == '__main__':
unittest.main()
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