diff --git a/.gitignore b/.gitignore
index e7be69f..1c67f6c 100644
--- a/.gitignore
+++ b/.gitignore
@@ -50,3 +50,5 @@ coq
 *.log
 *.crt
 lib/libsntllv2.pc
+lv2sd
+lv2sc
diff --git a/tests/lv2sc.c b/tests/lv2sc.c
index e69de29..56b14a5 100644
--- a/tests/lv2sc.c
+++ b/tests/lv2sc.c
@@ -0,0 +1,129 @@
+#include <stdio.h>
+#define __USE_GNU
+#include <stdlib.h>
+#include <stdarg.h>
+#include <sys/types.h>
+
+#include <pthread.h>
+#include <stdint.h>
+#include <getopt.h>
+#include <errno.h>
+#include <assert.h>
+#include <time.h>
+
+#ifdef WIN32
+#include <Winsock2.h>
+#include <signal.h>
+#else
+#include <sys/select.h>
+#include <sys/wait.h>
+#include <sys/socket.h>
+#include <sys/resource.h>
+#include <netdb.h>
+#include <unistd.h>
+#include <uuid/uuid.h>
+#include <execinfo.h>
+#include <netinet/in.h>
+#endif
+
+#include <tdata/usrtc.h>
+#include <sexpr/sexp.h>
+#include <sntl/sntllv2.h>
+#include <sntl/limits.h>
+
+/* define a little bit */
+#define DEFAULT_PORT  13133
+#define CHANNEL_COUNT 200
+#define CLIENT_COUNT 100
+#define MESSAGES_PER_SESSION 10000
+#define ITERATION_COUNT 1000
+
+#define FAILS_ONLY
+
+int main(int argc, char **argv)
+{
+  char *rootca = NULL, *cert = NULL;
+  int port = DEFAULT_PORT;
+  char *addr = NULL, *login = NULL, *password = NULL;
+  int opt;
+  conn_sys_t *ssys;
+  conn_t *co;
+
+  while((opt = getopt(argc, argv, "p:r:a:u:l:w:")) != -1) {
+    switch(opt) {
+    case 'p':
+      port = atoi(optarg);
+      break;
+    case 'r':
+      rootca = strdup(optarg);
+      break;
+    case 'a':
+      addr = strdup(optarg);
+      break;
+    case 'u':
+      cert = strdup(optarg);
+      break;
+    case 'l':
+      login = strdup(optarg);
+      break;
+    case 'w':
+      password = strdup(optarg);
+      break;
+    default:
+      fprintf(stderr, "usage: %s [-p <PORTNUM>] -r <PATH to Root CA> -a <Server ip address> -u <PATH"
+              " to SSL certificate> -l <User login> -w <User password>\n", argv[0]);
+      return EINVAL;
+    }
+  }
+
+  if(!rootca) {
+    fprintf(stderr, "Root CA not pointed.\n Failure.\n");
+    return EINVAL;
+  }
+
+  if(!addr) {
+    fprintf(stderr, "Server address not pointed.\n Failure.\n");
+    return EINVAL;
+  }
+
+  if(!cert) {
+    fprintf(stderr, "User certificate not pointed.\n Failure.\n");
+    return EINVAL;
+  }
+
+  if(!login) {
+    fprintf(stderr, "User login not pointed.\n Failure.\n");
+    return EINVAL;
+  }
+
+  if(!password) {
+    fprintf(stderr, "User password not pointed.\n Failure.\n");
+    return EINVAL;
+  }
+
+  /* all is fine let's init connection subsystem */
+  ssys = connections_create();
+  if(!ssys) {
+    fprintf(stderr, "Subsystem init failed: %d\n", errno);
+    return errno;
+  }
+  /* set working certificates */
+  opt = connections_setsslserts(ssys, rootca, cert, cert);
+  if(opt) {
+    fprintf(stderr, "Subsystem init failed (set SSL x.509 pems): %d\n", opt);
+    return opt;
+  }
+
+  /* Tests */
+  /* try to open connection */
+  connections_set_channelcall(ssys, NULL);
+
+  co = connection_link(ssys, addr, port, cert, login, password);
+
+  if(!co) {
+    fprintf(stderr, "Failed to connection with %d\n", errno);
+    return errno;
+  }
+
+  return 0;
+}