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from vcdtestutil import VCDTestCase, VCDTestLoader, uSec
class TestCase(VCDTestCase):
def setUp(self):
self.getVCD()
def test_00(self):
"""simulation time [0..100us]"""
self.assertVCD()
self.assertEqual(self.vcd.starttime, 0)
self.assertTrue(self.vcd.endtime >= 100 * uSec)
def test_01(self):
"""check clock is 4MHz"""
self.assertVCD()
p = self.getVariable("test.clk")
e = p.getNextEdge(p.getNextEdge(p.firstedge))
r = e.analyseWire(0)
self.assertEqual(round(r.frequency, 0), 4000000)
def test_02(self):
"""check B0 out toggles in 1MHz"""
self.assertVCD()
p = self.getVariable("test.pb0")
e = p.getNextEdge(p.getNextEdge(p.firstedge))
r = e.analyseWire(0)
self.assertEqual(round(r.frequency, 0), 1000000)
if __name__ == '__main__':
from unittest import TestLoader, TextTestRunner
tests = VCDTestLoader("baretest.vcd").loadTestsFromTestCase(TestCase)
res = TextTestRunner(verbosity = 2).run(tests)
if res.wasSuccessful():
exit(0)
else:
exit(1)
# EOF
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