def run_test():
endpoint = DummyEndpoint()
initial_value = 0
num_var = LockedNumberVariable(Waldo._host_uuid,False,initial_value)
### Check that each can read initial value
older_event = endpoint._act_event_map.create_root_event()
younger_event = endpoint._act_event_map.create_root_event()
if num_var.get_val(younger_event) != initial_value:
return False
# now preempt with older event
preempting_set_val = 4
num_var.set_val(older_event, preempting_set_val)
older_event.begin_first_phase_commit()
# try to perform operations with younger event
try:
if num_var.get_val(younger_event) != preempting_set_val:
return False
except:
# expected to get a backout exception
pass
return True
def run_test():
endpoint = DummyEndpoint()
initial_value = -330
num_var = LockedNumberVariable(Waldo._host_uuid,False,initial_value)
### Check that can read initial value
read_event = endpoint._act_event_map.create_root_event()
for i in range(0,10):
if num_var.get_val(read_event) != initial_value:
print '\nIncorrect value on read\n'
print num_var.get_val(read_event)
return False
# try to commit the event
read_event.begin_first_phase_commit()
### Check that can write a value
write_event = endpoint._act_event_map.create_root_event()
amount_added = 0
for i in range(0,10):
amount_added += i
gotten_val = num_var.get_val(write_event)
num_var.set_val(write_event,gotten_val + i)
# commit the write
write_event.begin_first_phase_commit()
#### Check final value after write
read_event = endpoint._act_event_map.create_root_event()
if num_var.get_val(read_event) != (initial_value + amount_added):
return False
return True
