diff --git a/tests/emu/gprs_tests.h b/tests/emu/gprs_tests.h
new file mode 100644
index 0000000..1f2c3fb
--- /dev/null
+++ b/tests/emu/gprs_tests.h
@@ -0,0 +1,65 @@
+/* (C) 2013 by Holger Hans Peter Freyther
+ *
+ * All Rights Reserved
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#ifndef tests_h
+#define tests_h
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <osmocom/core/msgb.h>
+#include <string.h>
+
+struct gprs_bssgp_pcu;
+struct tlv_parsed;
+struct msgb;
+
+struct gprs_test {
+	gprs_test(const char *name, const char *description,
+			void (*start)(struct gprs_bssgp_pcu *),
+			void (*data) (struct gprs_bssgp_pcu *, struct msgb *, struct tlv_parsed *parsed))
+		: name(name)
+		, description(description)
+		, start(start)
+		, data(data)
+	{}
+
+	const char *name;
+	const char *description;
+	void (*start)(struct gprs_bssgp_pcu *);
+	void (*data) (struct gprs_bssgp_pcu *, struct msgb *, struct tlv_parsed *);
+};
+
+void gprs_test_success(struct gprs_bssgp_pcu *);
+
+static inline struct msgb *create_msg(const uint8_t *data, size_t len)
+{
+	struct msgb *msg = msgb_alloc_headroom(4096, 128, "create msg");
+	msg->l3h = msgb_put(msg, len);
+	memcpy(msg->l3h, data, len);
+	return msg;
+}
+
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif