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-rw-r--r--tests/test58.c60
1 files changed, 60 insertions, 0 deletions
diff --git a/tests/test58.c b/tests/test58.c
new file mode 100644
index 000000000..8f5683c71
--- /dev/null
+++ b/tests/test58.c
@@ -0,0 +1,60 @@
+#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;
+ unsigned c;
+ example_user_t *user, *tmp, *users=NULL;
+
+ /* create elements */
+ for(i=0; i<10; i++) {
+ if ( (user = (example_user_t*)malloc(sizeof(example_user_t))) == NULL) {
+ exit(-1);
+ }
+ user->id = i;
+ user->cookie = i*i;
+ HASH_ADD_INT(users,id,user);
+ }
+ /* show the hash */
+ for(user=users; user != NULL; user=(example_user_t*)(user->hh.next)) {
+ printf("user %d, cookie %d\n", user->id, user->cookie);
+ }
+
+
+ c = HASH_COUNT(users);
+ printf("%u users. Deleting odd id's...\n", c);
+ /* delete the odd id's */
+ HASH_ITER(hh, users, user, tmp) {
+ if ((user->id & 1) != 0) {
+ HASH_DEL(users,user);
+ }
+ }
+
+ /* show the hash */
+ for(user=users; user != NULL; user=(example_user_t*)(user->hh.next)) {
+ printf("user %d, cookie %d\n", user->id, user->cookie);
+ }
+
+ c = HASH_COUNT(users);
+ printf("%u users. Deleting remaining id's...\n", c);
+ /* delete all that are left */
+ HASH_ITER(hh, users, user, tmp) {
+ HASH_DEL(users,user);
+ }
+
+ c = HASH_COUNT(users);
+ printf("%u users.\n", c);
+ /* show the hash */
+ for(user=users; user != NULL; user=(example_user_t*)(user->hh.next)) {
+ printf("user %d, cookie %d\n", user->id, user->cookie);
+ }
+ return 0;
+}