Add a test for HASH_ADD_KEYPTR_BYHASHVALUE_INORDER.

tests/test87.ans

@@ -50,4 +50,29 @@
 15: muh8
 16: muh7
 ###
+2: muh1
+3: muh5
+5: muh6
+6: muh9
+7: muh12
+8: muh4
+9: muh10
+9: muh3
+10: muh11
+15: muh8
+16: muh7
+###
+2: muh1
+3: muh5
+5: muh6
+6: muh9
+7: muh12
+8: muh4
+8: muh2
+9: muh10
+9: muh3
+10: muh11
+15: muh8
+16: muh7
+###
 ###

tests/test87.c

@@ -86,6 +86,17 @@ int main()
 
     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");