def test_short_transistor_with_auto_node_removal(self):
netlist = Netlist()
str_netlist = "M0001 OUT01 N0001 IN002 VDD PMOS\n"
netlist.set_netlist(str_netlist)
self.assertEqual(
len(netlist.node_dicts_[netlist.get_set_name_for_node('N0001')]),
1)
old_gate_name = netlist.turn_on_transistor('M0001')
self.assertEqual(old_gate_name, 'N0001')
self.assertEqual(
len(netlist.node_dicts_[netlist.get_set_name_for_node('N0001')]),
0)
def test_unshort_transistor(self):
netlist = Netlist()
str_netlist = "M0001 OUT01 N0001 IN002 VDD PMOS\n"
netlist.set_netlist(str_netlist)
self.assertEqual(
len(netlist.node_dicts_[netlist.get_set_name_for_node('N0001')]),
1)
old_gate_name = netlist.turn_on_transistor('M0001')
self.assertEqual(old_gate_name, 'N0001')
self.assertEqual(
len(netlist.node_dicts_[netlist.get_set_name_for_node('N0001')]),
0)
netlist.replace_transistor_gate('M0001', old_gate_name)
self.assertEqual(
len(netlist.node_dicts_[netlist.get_set_name_for_node('N0001')]),
1)
self.assertEqual(str_netlist, netlist.get_netlist_string())