+missing_opts=
+test x"$test_name" = x && missing_opts="$missing_opts --test-name"
+test x"$log_file" = x && missing_opts="$missing_opts --log-file"
+test x"$trs_file" = x && missing_opts="$missing_opts --trs-file"
+if test x"$missing_opts" != x; then
+ usage_error "the following mandatory options are missing:$missing_opts"
+fi
+
+if test $# -eq 0; then
+ usage_error "missing argument"
+fi
+