proc setup {} {
    save_env
}; # setup()


proc teardown {} {
    assert_env_unmodified
}; # teardown()


setup


set test "Tab should show completions"
    # Try completion
set cmd "tightvncviewer "
send "$cmd\t"
expect {
    -re "$cmd\r\n.*$cmd$" { pass "$test" }
    -re /@ { unresolved "$test at prompt" }
    -re eof { unresolved "eof" }
}; # expect


sync_after_int


teardown