From c8bf38e5fb717d40635a2a89b22ed71b0de4266b Mon Sep 17 00:00:00 2001
From: Toni Uhlig <matzeton@googlemail.com>
Date: Tue, 1 Dec 2020 13:33:34 +0100
Subject: Squashed 'dependencies/uthash/' content from commit 8e67ced
git-subtree-dir: dependencies/uthash
git-subtree-split: 8e67ced1d1c5bd8141c542a22630e6de78aa6b90
---
tests/test87.c | 116 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 116 insertions(+)
create mode 100644 tests/test87.c
(limited to 'tests/test87.c')
diff --git a/tests/test87.c b/tests/test87.c
new file mode 100644
index 000000000..c17275ebc
--- /dev/null
+++ b/tests/test87.c
@@ -0,0 +1,116 @@
+#include <assert.h>
+#include <stdio.h>
+#include "uthash.h"
+
+typedef struct {
+ char name[32];
+ int weight;
+ UT_hash_handle hh;
+} hstruct_t;
+
+static int cmpfunc(const hstruct_t *s1, const hstruct_t *s2)
+{
+ return (s1->weight < s2->weight) ? -1 : (s1->weight > s2->weight);
+}
+
+// Test that CMPFUNC can safely be a macro.
+#define CMPFUNC(a,b) cmpfunc(a,b)
+
+void printtable(const hstruct_t *hTable)
+{
+ const hstruct_t *search, *tmp;
+ HASH_ITER(hh, hTable, search, tmp) {
+ printf("%d: %s\n", search->weight, search->name);
+ }
+ printf("###\n");
+}
+
+void delitem(hstruct_t **hTable, const char *name)
+{
+ hstruct_t *item;
+ HASH_FIND_STR(*hTable, name, item);
+ HASH_DEL(*hTable, item);
+}
+
+int main()
+{
+ hstruct_t *hTable = NULL;
+ hstruct_t *replaced = NULL;
+ unsigned hashvalue;
+
+ hstruct_t tst[] = {
+ {"muh1", 2, {0}},
+ {"muh2", 8, {0}},
+ {"muh3", 1, {0}},
+ {"muh4", 8, {0}},
+ {"muh5", 3, {0}},
+ {"muh6", 5, {0}},
+ {"muh7", 6, {0}},
+ {"muh8", 15, {0}},
+ {"muh9", 6, {0}},
+ {"muh10", 9, {0}},
+ {"muh11", 10, {0}},
+ {"muh12", 43, {0}},
+ {"muh12", 7, {0}}
+ };
+
+ int index;
+ for (index = 0; index < 11; ++index) {
+ HASH_ADD_INORDER(hh, hTable, name[0], strlen(tst[index].name), &tst[index], CMPFUNC);
+ }
+
+ // test HASH_ADD_BYHASHVALUE_INORDER
+ HASH_VALUE(tst[11].name, strlen(tst[11].name), hashvalue);
+ HASH_ADD_BYHASHVALUE_INORDER(hh, hTable, name[0], strlen(tst[11].name), hashvalue, &tst[11], CMPFUNC);
+
+ printtable(hTable);
+
+ // replace "43: muh12" with "7: muh12"
+ HASH_REPLACE_INORDER(hh, hTable, name[0], strlen(tst[11].name), &tst[12], replaced, CMPFUNC);
+ assert(replaced == &tst[11]);
+
+ printtable(hTable);
+
+ // rehash "1: muh3" to "9: muh3"
+ tst[2].weight = 9;
+ HASH_REPLACE_INORDER(hh, hTable, name[0], strlen(tst[2].name), &tst[2], replaced, CMPFUNC);
+ assert(replaced == &tst[2]);
+
+ printtable(hTable);
+
+ // rehash "6: muh7" to "16: muh7"
+ tst[6].weight = 16;
+ HASH_VALUE(&tst[6].name[0], strlen(tst[6].name), hashvalue);
+ HASH_REPLACE_BYHASHVALUE_INORDER(hh, hTable, name[0], strlen(tst[6].name), hashvalue, &tst[6], replaced, CMPFUNC);
+ assert(replaced == &tst[6]);
+
+ printtable(hTable);
+
+ // remove "8: muh2"...
+ HASH_DELETE(hh, hTable, &tst[1]);
+
+ printtable(hTable);
+
+ // ...and then reinsert "8: muh2"
+ HASH_VALUE(tst[1].name, strlen(tst[1].name), hashvalue);
+ HASH_ADD_KEYPTR_BYHASHVALUE_INORDER(hh, hTable, tst[1].name, strlen(tst[1].name), hashvalue, &tst[1], CMPFUNC);
+
+ printtable(hTable);
+
+ delitem(&hTable, "muh1");
+ delitem(&hTable, "muh7");
+ delitem(&hTable, "muh3");
+ delitem(&hTable, "muh9");
+ delitem(&hTable, "muh2");
+ delitem(&hTable, "muh11");
+ delitem(&hTable, "muh4");
+ delitem(&hTable, "muh6");
+ delitem(&hTable, "muh5");
+ delitem(&hTable, "muh8");
+ delitem(&hTable, "muh10");
+ delitem(&hTable, "muh12");
+
+ printtable(hTable);
+
+ return 0;
+}
--
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