def testDestroySegment(self):
""" Creates a segment, destroys it, and makes sure it got destroyed along
with all of its synapses.
"""
connections = Connections(1024)
connections.createSegment(10)
segment2 = connections.createSegment(20)
connections.createSegment(30)
connections.createSegment(40)
connections.createSynapse(segment2, 80, 0.85)
connections.createSynapse(segment2, 81, 0.85)
connections.createSynapse(segment2, 82, 0.15)
self.assertEqual(4, connections.numSegments())
self.assertEqual(3, connections.numSynapses())
connections.destroySegment(segment2)
self.assertEqual(3, connections.numSegments())
self.assertEqual(0, connections.numSynapses())
(numActiveConnected,
numActivePotential) = connections.computeActivity([80, 81, 82], 0.5)
self.assertEqual(0, numActiveConnected[segment2.flatIdx])
self.assertEqual(0, numActivePotential[segment2.flatIdx])
def testDestroySegment(self):
""" Creates a segment, destroys it, and makes sure it got destroyed along
with all of its synapses.
"""
connections = Connections(1024)
connections.createSegment(10)
segment2 = connections.createSegment(20)
connections.createSegment(30)
connections.createSegment(40)
connections.createSynapse(segment2, 80, 0.85)
connections.createSynapse(segment2, 81, 0.85)
connections.createSynapse(segment2, 82, 0.15)
self.assertEqual(4, connections.numSegments())
self.assertEqual(3, connections.numSynapses())
connections.destroySegment(segment2)
self.assertEqual(3, connections.numSegments())
self.assertEqual(0, connections.numSynapses())
(numActiveConnected,
numActivePotential) = connections.computeActivity([80, 81, 82], 0.5)
self.assertEqual(0, numActiveConnected[segment2.flatIdx])
self.assertEqual(0, numActivePotential[segment2.flatIdx])
def testDestroySegmentWithDestroyedSynapses(self):
""" Destroy a segment that has a destroyed synapse and a non-destroyed
synapse. Make sure nothing gets double-destroyed.
"""
connections = Connections(1024)
segment1 = connections.createSegment(11)
segment2 = connections.createSegment(12)
connections.createSynapse(segment1, 101, .85)
synapse2a = connections.createSynapse(segment2, 201, .85)
connections.createSynapse(segment2, 202, .85)
self.assertEqual(3, connections.numSynapses())
connections.destroySynapse(synapse2a)
self.assertEqual(2, connections.numSegments())
self.assertEqual(2, connections.numSynapses())
connections.destroySegment(segment2)
self.assertEqual(1, connections.numSegments())
self.assertEqual(1, connections.numSynapses())
def testDestroySegmentWithDestroyedSynapses(self):
""" Destroy a segment that has a destroyed synapse and a non-destroyed
synapse. Make sure nothing gets double-destroyed.
"""
connections = Connections(1024)
segment1 = connections.createSegment(11)
segment2 = connections.createSegment(12)
connections.createSynapse(segment1, 101, .85)
synapse2a = connections.createSynapse(segment2, 201, .85)
connections.createSynapse(segment2, 202, .85)
self.assertEqual(3, connections.numSynapses())
connections.destroySynapse(synapse2a)
self.assertEqual(2, connections.numSegments())
self.assertEqual(2, connections.numSynapses())
connections.destroySegment(segment2)
self.assertEqual(1, connections.numSegments())
self.assertEqual(1, connections.numSynapses())
def testDestroySegmentsThenReachLimit(self):
""" Destroy some segments then verify that the maxSegmentsPerCell is still
correctly applied.
"""
connections = Connections(1024, 2, 2)
segment1 = connections.createSegment(11)
segment2 = connections.createSegment(11)
self.assertEqual(2, connections.numSegments())
connections.destroySegment(segment1)
connections.destroySegment(segment2)
self.assertEqual(0, connections.numSegments())
connections.createSegment(11)
self.assertEqual(1, connections.numSegments())
connections.createSegment(11)
self.assertEqual(2, connections.numSegments())
segment3 = connections.createSegment(11)
self.assertEqual(2, connections.numSegments(11))
self.assertEqual(2, connections.numSegments())
def testDestroySegmentsThenReachLimit(self):
""" Destroy some segments then verify that the maxSegmentsPerCell is still
correctly applied.
"""
connections = Connections(1024, 2, 2)
segment1 = connections.createSegment(11)
segment2 = connections.createSegment(11)
self.assertEqual(2, connections.numSegments())
connections.destroySegment(segment1)
connections.destroySegment(segment2)
self.assertEqual(0, connections.numSegments())
connections.createSegment(11)
self.assertEqual(1, connections.numSegments())
connections.createSegment(11)
self.assertEqual(2, connections.numSegments())
segment3 = connections.createSegment(11)
self.assertEqual(2, connections.numSegments(11))
self.assertEqual(2, connections.numSegments())