litex/migen/test/test_sort.py

28 lines
837 B
Python

import unittest
from random import randrange
from migen.fhdl.std import *
from migen.genlib.sort import *
from migen.test.support import SimCase, SimBench
class BitonicCase(SimCase, unittest.TestCase):
class TestBench(SimBench):
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(flen(self.tb.dut.i[i]), 4)
self.assertEqual(flen(self.tb.dut.o[i]), 4)
def test_sort(self):
def cb(tb, tbp):
for i in tb.dut.i:
tbp.simulator.wr(i, randrange(1<<flen(i)))
self.assertEqual(sorted(list(tbp.dut.i)), list(tbp.dut.o))
self.run_with(cb, 20)