def run(self, *parameters):
"""Execute our program.
Returns None on failure and sets exception property to the error type.
"""
if not self.compile():
return None
try:
result = geneticlua.evaluate(*parameters)
# Consider NaN results an error
# Example of Lua NaN: x = x % x where x == 0
if math.isnan(result):
result = None
# and consider infinite results an error
# Example of Lua Inf: x = x / 0 where x == 0
elif math.isinf(result):
result = None
except geneticlua.ExecutionError as Ex:
# Some sort of Lua runtime error
return None
except geneticlua.TimeoutError as Ex:
# Lua code was killed due to using too many instructions
self.timeout = True
return None
return result
def test_execute_success(self):
result = geneticlua.compile('function evaluate(x)\nreturn x*x\nend')
self.assertEqual(result, True)
result = geneticlua.evaluate(5)
self.assertEqual(result, 25)