--- set_cmd_units -time ns -capacitance pF -resistance kOhm ---
PASS: set_cmd_units ns/pF/kOhm
--- report_units ---
 time 1ns
 capacitance 1pF
 resistance 1kohm
 voltage 1v
 current 1A
 power 1W
 distance 1m
--- set_cmd_units -time ps -capacitance fF ---
PASS: set_cmd_units ps/fF
--- report_units after change ---
 time 1ps
 capacitance 1fF
 resistance 1kohm
 voltage 1v
 current 1A
 power 1W
 distance 1m
--- set_cmd_units -voltage mV ---
PASS: set_cmd_units -voltage mV
--- set_cmd_units -current uA ---
PASS: set_cmd_units -current uA
--- set_cmd_units -distance um ---
PASS: set_cmd_units -distance um
--- report_units after all changes ---
 time 1ps
 capacitance 1fF
 resistance 1kohm
 voltage 1mv
 current 1uA
 power 1W
 distance 1um
--- elapsed_run_time ---
PASS: elapsed_run_time returned non-negative value
--- user_run_time ---
PASS: user_run_time returned non-negative value
--- log_begin / log_end ---
test log entry from util_commands
PASS: log_begin/log_end completed
PASS: log file has content
--- suppress_msg / unsuppress_msg ---
PASS: suppress_msg 100 200 300
PASS: unsuppress_msg 100 200 300
--- suppress_msg single ---
PASS: suppress_msg 999
PASS: unsuppress_msg 999
--- with_output_to_variable ---
captured output length: 95
PASS: with_output_to_variable captured output
--- with_output_to_variable second call ---
PASS: with_output_to_variable second call
ALL PASSED