Added unit testing support using check.

tests/unittests/CMakeLists.txt

@@ -0,0 +1,3 @@
+project(unittests C)
+
+add_check_test(torture_misc torture_misc.c ${TORTURE_LIBRARY})

tests/unittests/torture_misc.c

@@ -0,0 +1,51 @@
+#include <sys/types.h>
+#include <pwd.h>
+#include <libssh/priv.h>
+
+#include "torture.h"
+#include "misc.c"
+
+START_TEST (torture_get_user_home_dir)
+{
+    struct passwd *pwd;
+    char *user;
+
+    pwd = getpwuid(getuid());
+
+    user = ssh_get_user_home_dir();
+
+    ck_assert_str_eq(user, pwd->pw_dir);
+}
+END_TEST
+
+static Suite *torture_make_suite(void) {
+  Suite *s = suite_create("libssh_misc");
+
+  torture_create_case(s, "torture_get_user_home_dir", torture_get_user_home_dir);
+
+  return s;
+}
+
+int main(int argc, char **argv) {
+  Suite *s = NULL;
+  SRunner *sr = NULL;
+  struct argument_s arguments;
+  int nf;
+
+  ZERO_STRUCT(arguments);
+
+  torture_cmdline_parse(argc, argv, &arguments);
+
+  s = torture_make_suite();
+
+  sr = srunner_create(s);
+  if (arguments.nofork) {
+    srunner_set_fork_status(sr, CK_NOFORK);
+  }
+  srunner_run_all(sr, CK_VERBOSE);
+  nf = srunner_ntests_failed(sr);
+  srunner_free(sr);
+
+  return (nf == 0) ? EXIT_SUCCESS : EXIT_FAILURE;
+}
+