def testUpdateNoEvent(self):
""" update without value change should not return event waiters """
s1 = Signal(1)
s1.next = 4
s1._update()
s1.next = 4
s1._eventWaiters = self.eventWaiters[:]
s1._posedgeWaiters = self.posedgeWaiters[:]
s1._negedgeWaiters = self.negedgeWaiters[:]
waiters = s1._update()
self.assertEqual(waiters, [])
self.assertEqual(s1._eventWaiters, self.eventWaiters)
self.assertEqual(s1._posedgeWaiters, self.posedgeWaiters)
self.assertEqual(s1._negedgeWaiters, self.negedgeWaiters)
def testUpdateNoEvent(self):
""" update without value change should not return event waiters """
s1 = Signal(1)
s1.next = 4
s1._update()
s1.next = 4
s1._eventWaiters = self.eventWaiters[:]
s1._posedgeWaiters = self.posedgeWaiters[:]
s1._negedgeWaiters = self.negedgeWaiters[:]
waiters = s1._update()
self.assertEqual(waiters, [])
self.assertEqual(s1._eventWaiters, self.eventWaiters)
self.assertEqual(s1._posedgeWaiters, self.posedgeWaiters)
self.assertEqual(s1._negedgeWaiters, self.negedgeWaiters)
def testUpdateEvent(self):
""" update on non-edge event should return event waiters """
s1 = Signal(1)
s1.next = 4
s1._update()
s1.next = 5
s1._eventWaiters = self.eventWaiters[:]
s1._posedgeWaiters = self.posedgeWaiters[:]
s1._negedgeWaiters = self.negedgeWaiters[:]
waiters = s1._update()
expected = self.eventWaiters
assert set(waiters) == set(expected)
assert s1._eventWaiters == []
assert s1._posedgeWaiters == self.posedgeWaiters
assert s1._negedgeWaiters == self.negedgeWaiters
def testUpdateNegedge(self):
""" update on negedge should return event and negedge waiters """
s1 = Signal(1)
s1.next = 1
s1._update()
s1.next = 0
s1._eventWaiters = self.eventWaiters[:]
s1._posedgeWaiters = self.posedgeWaiters[:]
s1._negedgeWaiters = self.negedgeWaiters[:]
waiters = s1._update()
expected = self.eventWaiters + self.negedgeWaiters
assert set(waiters) == set(expected)
assert s1._eventWaiters == []
assert s1._posedgeWaiters == self.posedgeWaiters
assert s1._negedgeWaiters == []
def testUpdateEvent(self):
""" update on non-edge event should return event waiters """
s1 = Signal(1)
s1.next = 4
s1._update()
s1.next = 5
s1._eventWaiters = self.eventWaiters[:]
s1._posedgeWaiters = self.posedgeWaiters[:]
s1._negedgeWaiters = self.negedgeWaiters[:]
waiters = s1._update()
expected = self.eventWaiters
self.assertEqual(set(waiters), set(expected))
self.assertEqual(s1._eventWaiters, [])
self.assertEqual(s1._posedgeWaiters, self.posedgeWaiters)
self.assertEqual(s1._negedgeWaiters, self.negedgeWaiters)
def testUpdateNegedge(self):
""" update on negedge should return event and negedge waiters """
s1 = Signal(1)
s1.next = 1
s1._update()
s1.next = 0
s1._eventWaiters = self.eventWaiters[:]
s1._posedgeWaiters = self.posedgeWaiters[:]
s1._negedgeWaiters = self.negedgeWaiters[:]
waiters = s1._update()
expected = self.eventWaiters + self.negedgeWaiters
self.assertEqual(set(waiters), set(expected))
self.assertEqual(s1._eventWaiters, [])
self.assertEqual(s1._posedgeWaiters, self.posedgeWaiters)
self.assertEqual(s1._negedgeWaiters, [])
def testUpdatePosedge(self):
""" update on posedge should return event and posedge waiters """
s1 = Signal(1)
s1.next = 0
s1._update()
s1.next = 1
s1._eventWaiters = self.eventWaiters[:]
s1._posedgeWaiters = self.posedgeWaiters[:]
s1._negedgeWaiters = self.negedgeWaiters[:]
waiters = s1._update()
expected = self.eventWaiters + self.posedgeWaiters
assert set(waiters) == set(expected)
assert s1._eventWaiters == []
assert s1._posedgeWaiters == []
assert s1._negedgeWaiters == self.negedgeWaiters
def testUpdatePosedge(self):
""" update on posedge should return event and posedge waiters """
s1 = Signal(1)
s1.next = 0
s1._update()
s1.next = 1
s1._eventWaiters = self.eventWaiters[:]
s1._posedgeWaiters = self.posedgeWaiters[:]
s1._negedgeWaiters = self.negedgeWaiters[:]
waiters = s1._update()
expected = self.eventWaiters + self.posedgeWaiters
self.assertEqual(set(waiters), set(expected))
self.assertEqual(s1._eventWaiters, [])
self.assertEqual(s1._posedgeWaiters, [])
self.assertEqual(s1._negedgeWaiters, self.negedgeWaiters)
def testUpdateEvent(self):
""" update on non-edge event should return event waiters """
s1 = Signal(1)
s1.next = 4
s1._update()
s1.next = 5
s1._eventWaiters = self.eventWaiters[:]
s1._posedgeWaiters = self.posedgeWaiters[:]
s1._negedgeWaiters = self.negedgeWaiters[:]
waiters = s1._update()
expected = self.eventWaiters
waiters.sort()
expected.sort()
self.assertEqual(waiters, expected)
self.assertEqual(s1._eventWaiters, [])
self.assertEqual(s1._posedgeWaiters, self.posedgeWaiters)
self.assertEqual(s1._negedgeWaiters, self.negedgeWaiters)