def test_changeFreq(self):
mockTime = self.mockTime
mockTime.timeNow = 5020.8
b = SysClock()
c = CorrelatedClock(b, 1000, correlation=(50,300))
self.assertAlmostEqual(c.ticks, (5020.8*1000000 - 50)/(1000000/1000) + 300, places=5)
self.assertEqual(c.tickRate, 1000)
c.tickRate = 500
self.assertEqual(c.tickRate, 500)
self.assertAlmostEqual(c.ticks, (5020.8*1000000 - 50)/(1000000/500) + 300, places=5)
def test_changeFreq(self):
mockTime = self.mockTime
b = self.newSysClock()
mockTime.timeNow = 5020.8
c = CorrelatedClock(b, 1000, correlation=Correlation(50, 300))
self.assertAlmostEqual(c.ticks, (5020.8 * 1000000 - 50) /
(1000000 / 1000) + 300,
places=5)
self.assertEqual(c.tickRate, 1000)
c.tickRate = 500
self.assertEqual(c.tickRate, 500)
self.assertAlmostEqual(c.ticks,
(5020.8 * 1000000 - 50) / (1000000 / 500) + 300,
places=5)
def test_changeFreqNotifies(self):
mockTime = self.mockTime
mockTime.timeNow = 5020.8
b = SysClock()
c = CorrelatedClock(b, 1000, correlation=(50,300))
cc = CorrelatedClock(c, 50)
d1 = MockDependent()
d2 = MockDependent()
d3 = MockDependent()
b.bind(d1)
c.bind(d2)
cc.bind(d3)
c.tickRate = 500
d1.assertNotNotified()
d2.assertNotificationsEqual([c])
d3.assertNotificationsEqual([cc])
def test_changeFreqNotifies(self):
mockTime = self.mockTime
b = self.newSysClock()
mockTime.timeNow = 5020.8
c = CorrelatedClock(b, 1000, correlation=Correlation(50, 300))
cc = CorrelatedClock(c, 50)
d1 = MockDependent()
d2 = MockDependent()
d3 = MockDependent()
b.bind(d1)
c.bind(d2)
cc.bind(d3)
c.tickRate = 500
d1.assertNotNotified()
d2.assertNotificationsEqual([c])
d3.assertNotificationsEqual([cc])
def test_clockDiff(self):
a = self.newSysClock()
self.mockTime.timeNow = 1
b = CorrelatedClock(a, 1000, correlation=Correlation(0, 0))
c = CorrelatedClock(b, 2000, correlation=Correlation(0, 0))
d = CorrelatedClock(c, 3000, correlation=Correlation(0, 0))
e = RangeCorrelatedClock(d, 1000, Correlation(5, 0),
Correlation(15005, 5000))
self.assertEquals(float('inf'), b.clockDiff(c))
self.assertEquals(float('inf'), b.clockDiff(d))
self.assertAlmostEquals(0.001666667, b.clockDiff(e), delta=0.000001)
self.mockTime.timeNow += 10000000
self.assertEquals(float('inf'), b.clockDiff(c))
self.assertEquals(float('inf'), b.clockDiff(d))
self.assertAlmostEquals(0.001666667, b.clockDiff(e), delta=0.000001)
c.tickRate = 1000
self.assertEquals(0, b.clockDiff(c))
c.speed = 1.01
self.assertEquals(float('inf'), b.clockDiff(c))
