setup_test
-mhparam - >/dev/null 2>&1 || true # gcov
-mhparam localmbox >/dev/null 2>&1 || true # gcov
+check_exit '-eq 1' mhparam - # gcov
+check_exit '-eq 0' mhparam localmbox # gcov
expected=$MH_TEST_DIR/$$.expected
expected_err=$MH_TEST_DIR/$$.expected_err