1 files changed, 35 insertions, 0 deletions
diff --git a/tests/test85.c b/tests/test85.c
new file mode 100644
index 000000000..bb62ca636
--- /dev/null
+++ b/tests/test85.c
@@ -0,0 +1,35 @@
+#include "uthash.h"
+#include <stdlib.h>   /* malloc */
+#include <stdio.h>    /* printf */
+
+typedef struct example_user_t {
+    int id;
+    int cookie;
+    UT_hash_handle hh;
+} example_user_t;
+
+int main()
+{
+    int i;
+    example_user_t *user, *users=NULL;
+
+    /* create elements */
+    for(i=0; i<10; i++) {
+        user = (example_user_t*)malloc(sizeof(example_user_t));
+        if (user == NULL) {
+            exit(-1);
+        }
+        user->id = i;
+        user->cookie = i*i;
+        HASH_ADD_INT(users,id,user);
+    }
+
+    size_t s = HASH_OVERHEAD(hh,users);
+    printf("overhead %s\n", (s==0U)?"zero":"non-zero");
+    HASH_CLEAR(hh,users);
+    // should free those elements
+    // but this test is not concerned with that
+    s = HASH_OVERHEAD(hh,users);
+    printf("overhead %s\n", (s==0U)?"zero":"non-zero");
+    return 0;
+}