1 files changed, 71 insertions, 0 deletions
diff --git a/tests/test79.c b/tests/test79.c
new file mode 100644
index 000000000..4abbe94b1
--- /dev/null
+++ b/tests/test79.c
@@ -0,0 +1,71 @@
+#include <stdlib.h>
+#include <stdio.h>
+#include "uthash.h"
+
+typedef struct hs_t {
+    int id;
+    int tag;
+    UT_hash_handle hh;
+} hs_t;
+
+
+static void pr(hs_t **hdpp)
+{
+    hs_t *el, *tmp, *hdp = *hdpp;
+    HASH_ITER(hh, hdp, el, tmp) {
+        printf("id %d, tag %d\n",el->id,el->tag);
+    }
+}
+
+int main()
+{
+
+    hs_t *hs_head=NULL, *tmp, *replaced=NULL;
+
+    tmp = (hs_t*)malloc(sizeof(hs_t));
+    if (tmp == NULL) {
+        exit(-1);
+    }
+    tmp->id = 10;
+    tmp->tag = 100;
+    HASH_REPLACE_INT(hs_head,id,tmp,replaced);
+    if(replaced == NULL) {
+        printf("added %d %d\n",tmp->id,tmp->tag);
+    } else {
+        printf("ERROR, ended up replacing a value, replaced: %p\n",(void*)replaced);
+    }
+
+    pr(&hs_head);
+
+    tmp = (hs_t*)malloc(sizeof(hs_t));
+    if (tmp == NULL) {
+        exit(-1);
+    }
+    tmp->id=11;
+    tmp->tag = 101;
+    HASH_REPLACE_INT(hs_head,id,tmp,replaced);
+    if(replaced == NULL) {
+        printf("added %d %d\n",tmp->id,tmp->tag);
+    } else {
+        printf("ERROR, ended up replacing a value, replaced: %p\n",(void*)replaced);
+    }
+
+    pr(&hs_head);
+
+    tmp = (hs_t*)malloc(sizeof(hs_t));
+    if (tmp == NULL) {
+        exit(-1);
+    }
+    tmp->id=11;
+    tmp->tag = 102;
+    HASH_REPLACE_INT(hs_head,id,tmp,replaced);
+    if(replaced == NULL) {
+        printf("ERROR, exected to replace a value with key: %d\n",tmp->id);
+    } else {
+        printf("replaced %d that had tag %d with tag %d\n",tmp->id,replaced->tag,tmp->tag);
+    }
+
+    pr(&hs_head);
+
+    return 0;
+}