29 lines
1.1 KiB
Python
29 lines
1.1 KiB
Python
import unittest
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from migen import *
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from migen.genlib.divider import Divider
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from migen.test.support import SimCase
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class DivisionCase(SimCase, unittest.TestCase):
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class TestBench(Module):
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def __init__(self):
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self.submodules.dut = Divider(4)
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def test_division(self):
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def gen():
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for dividend in range(16):
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for divisor in range(1, 16):
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with self.subTest(dividend=dividend, divisor=divisor):
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yield self.tb.dut.dividend_i.eq(dividend)
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yield self.tb.dut.divisor_i.eq(divisor)
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yield self.tb.dut.start_i.eq(1)
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yield
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yield self.tb.dut.start_i.eq(0)
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yield
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while not (yield self.tb.dut.ready_o):
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yield
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self.assertEqual((yield self.tb.dut.quotient_o), dividend//divisor)
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self.assertEqual((yield self.tb.dut.remainder_o), dividend%divisor)
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self.run_with(gen())
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