Utility object to test the execution of tasks.
Task keeping track of check and perform call and value passed to perform
Number of time the check method has been called.
Number of time the perform method has been called.
Value passed to the perform method.
Function to call in the perform method
Check that everything is alright before starting a measurement.
By default tries to format all members tagged with ‘fmt’ and try to eval all members tagged with ‘feval’.
Main method of the task called when the measurement is performed.