$ bash -e -o pipefail -c javac Main.java && java Main --self-test && java Main < examples/input.txt
tests passed
reachable=true,latency_ms=7.000,path=field|switchB|control

$ java Main
reachable=true,latency_ms=7.000,path=field|switchB|control

$ java Main
missing input

$ java Main
invalid CSV row

$ java Main --unsupported
unsupported command arguments

$ java Main
input record too large