while (($# > 0)); do
    case $1 in
        --run) 
	    echo "TEST RUN: $TEST_DESCRIPTION";
	    test_run;
	    exit $?;;
        --setup) 
	    echo "TEST SETUP: $TEST_DESCRIPTION";
	    test_setup;
	    exit $?;;
        --clean) 
	    echo "TEST CLEANUP: $TEST_DESCRIPTION";
	    test_cleanup;
	    exit $?;;
        --all) 
	    echo "TEST: $TEST_DESCRIPTION";
	    test_setup && test_run && test_cleanup;
	    ret=$?;
	    if [ $ret -eq 0 ]; then
	       echo "$TEST_DESCRIPTION [OK]";
	    else
	       echo "$TEST_DESCRIPTION [FAILED]";
	    fi
	    exit $?;;
        *) break ;;
    esac
    shift
done