Index: sys/netinet/libalias/tests/Makefile
===================================================================
--- /dev/null
+++ sys/netinet/libalias/tests/Makefile
@@ -0,0 +1,11 @@
+# $FreeBSD$
+
+.include <bsd.own.mk>
+
+ATF_TESTS_C+=	aliasdb_test
+
+SRCS.aliasdb_test=	aliasdb_test.c
+
+LIBADD+=	alias
+
+.include <bsd.test.mk>
Index: sys/netinet/libalias/tests/aliasdb_test.c
===================================================================
--- /dev/null
+++ sys/netinet/libalias/tests/aliasdb_test.c
@@ -0,0 +1,29 @@
+#include <atf-c.h>
+#include <alias.h>
+
+/* global variable to allow cleanup after errors */
+static struct libalias *la = NULL;
+
+ATF_TC_WITH_CLEANUP(init);
+ATF_TC_HEAD(init, env)
+{
+	atf_tc_set_md_var(env, "desc", "Create an instance");
+}
+ATF_TC_BODY(init, dummy)
+{
+	ATF_CHECK_MSG(la == NULL, "Global variable la not clean.");
+	la = LibAliasInit(NULL);
+	ATF_CHECK_MSG(la != NULL, "Creating an instance failed.");
+}
+ATF_TC_CLEANUP(init, dummy)
+{
+	LibAliasUninit(la);
+	la = NULL;
+}
+
+ATF_TP_ADD_TCS(aliasdb)
+{
+	ATF_TP_ADD_TC(aliasdb, init);
+
+	return atf_no_error();
+}