litex/migen/test/test_sort.py

31 lines
918 B
Python

import unittest
from random import randrange
from migen import *
from migen.genlib.sort import *
from migen.test.support import SimCase
class BitonicCase(SimCase, unittest.TestCase):
class TestBench(Module):
def __init__(self):
self.submodules.dut = BitonicSort(8, 4, ascending=True)
def test_sizes(self):
self.assertEqual(len(self.tb.dut.i), 8)
self.assertEqual(len(self.tb.dut.o), 8)
for i in range(8):
self.assertEqual(len(self.tb.dut.i[i]), 4)
self.assertEqual(len(self.tb.dut.o[i]), 4)
def test_sort(self):
def gen():
for repeat in range(20):
for i in self.tb.dut.i:
yield i.eq(randrange(1<<len(i)))
yield
self.assertEqual(sorted((yield self.tb.dut.i)),
(yield self.tb.dut.o))
self.run_with(gen())