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-rw-r--r--dependencies/uthash/tests/test57.c53
1 files changed, 53 insertions, 0 deletions
diff --git a/dependencies/uthash/tests/test57.c b/dependencies/uthash/tests/test57.c
new file mode 100644
index 000000000..7ba3b81ae
--- /dev/null
+++ b/dependencies/uthash/tests/test57.c
@@ -0,0 +1,53 @@
+#include <assert.h>
+#include <stddef.h>
+#include "uthash.h"
+
+typedef struct {
+ void *key;
+ int i;
+ UT_hash_handle hh;
+} el_t;
+
+el_t *findit(el_t *hash, void *keytofind)
+{
+ el_t *found;
+ HASH_FIND_PTR(hash, &keytofind, found);
+ return found;
+}
+
+int main()
+{
+ el_t *hash = NULL;
+ el_t e1;
+ el_t e2;
+
+ e1.key = NULL;
+ e1.i = 1;
+
+ e2.key = &e2;
+ e2.i = 2;
+
+ assert(findit(hash, NULL) == NULL);
+ assert(findit(hash, &e1) == NULL);
+ assert(findit(hash, &e2) == NULL);
+
+ HASH_ADD_PTR(hash, key, &e1);
+ assert(findit(hash, NULL) == &e1);
+ assert(findit(hash, &e1) == NULL);
+ assert(findit(hash, &e2) == NULL);
+
+ HASH_ADD_PTR(hash, key, &e2);
+ assert(findit(hash, NULL) == &e1);
+ assert(findit(hash, &e1) == NULL);
+ assert(findit(hash, &e2) == &e2);
+
+ HASH_DEL(hash, &e1);
+ assert(findit(hash, NULL) == NULL);
+ assert(findit(hash, &e1) == NULL);
+ assert(findit(hash, &e2) == &e2);
+
+ HASH_CLEAR(hh, hash);
+ assert(hash == NULL);
+
+ return 0;
+}