1 files changed, 35 insertions, 0 deletions
diff --git a/tests/test_join_str.c b/tests/test_join_str.c
new file mode 100644
index 0000000..711c864
--- /dev/null
+++ b/tests/test_join_str.c
@@ -0,0 +1,35 @@
+#include <string.h>
+#define USE_SECURE_MEM
+#include "../src/extlib.h"
+#undef free
+
+int
+test_join_str ()
+{
+  int errno = 0;
+  char **test_string = malloc (sizeof (char *) * 4);
+  for (int i = 0; i < 3; i++)
+    test_string[i] = strdup ("hello");
+
+  char *joined_string = join_str (test_string, 3, ' ');
+
+  if (strcmp (joined_string, "hello hello hello") != 0)
+    errno = 1;
+
+  free_secure ((void **) &test_string[0], strlen (test_string[0]));
+  free_secure ((void **) &test_string[1], strlen (test_string[1]));
+  free_secure ((void **) &test_string[2], strlen (test_string[2]));
+  free (test_string);
+  free_secure ((void **) &joined_string, strlen (joined_string));
+  return errno;
+}
+
+struct test_t*
+test_join_str_t()
+{
+  struct test_t* test = malloc (sizeof (struct test_t));
+  test->test_func=test_join_str;
+  test->test_name="test_join_str";
+  test->test_desc="join_str";
+  return test;
+}