# vim: set filetype=expect:
spawn $fish
set sid $spawn_id
expect_prompt

send_line {
    complete -c my_is -n 'test (count (commandline -opc)) = 1' -xa arg
    complete -c my_is -n '__fish_seen_subcommand_from not' -xa '(
	set -l cmd (commandline -opc) (commandline -ct)
	set cmd (string join " " my_is $cmd[3..-1])" "
	commandline --replace --current-process $cmd
	complete -C"$cmd"
    )'
}
send "my_is not \t"
send "still.alive"
expect -re {.*still.alive} {
} eof {
    error "did fish crash?"
}