ntdb: next-generation trivial key-value database

[ccan] / ccan / ntdb / test / api-record-expand.c

diff --git a/ccan/ntdb/test/api-record-expand.c b/ccan/ntdb/test/api-record-expand.c
new file mode 100644 (file)
index 0000000..74fb27f
--- /dev/null
+++ b/ccan/ntdb/test/api-record-expand.c
@@ -0,0 +1,49 @@
+#include "config.h"
+#include "ntdb.h"
+#include "private.h"
+#include "tap-interface.h"
+#include "logging.h"
+
+#define MAX_SIZE 10000
+#define SIZE_STEP 131
+
+int main(int argc, char *argv[])
+{
+       unsigned int i;
+       struct ntdb_context *ntdb;
+       int flags[] = { NTDB_INTERNAL, NTDB_DEFAULT, NTDB_NOMMAP,
+                       NTDB_INTERNAL|NTDB_CONVERT, NTDB_CONVERT,
+                       NTDB_NOMMAP|NTDB_CONVERT };
+       NTDB_DATA key = ntdb_mkdata("key", 3);
+       NTDB_DATA data;
+
+       data.dptr = malloc(MAX_SIZE);
+       memset(data.dptr, 0x24, MAX_SIZE);
+
+       plan_tests(sizeof(flags) / sizeof(flags[0])
+                  * (3 + (1 + (MAX_SIZE/SIZE_STEP)) * 2) + 1);
+       for (i = 0; i < sizeof(flags) / sizeof(flags[0]); i++) {
+               ntdb = ntdb_open("run-record-expand.ntdb",
+                                flags[i]|MAYBE_NOSYNC,
+                                O_RDWR|O_CREAT|O_TRUNC, 0600, &tap_log_attr);
+               ok1(ntdb);
+               if (!ntdb)
+                       continue;
+
+               data.dsize = 0;
+               ok1(ntdb_store(ntdb, key, data, NTDB_INSERT) == 0);
+               ok1(ntdb_check(ntdb, NULL, NULL) == 0);
+               for (data.dsize = 0;
+                    data.dsize < MAX_SIZE;
+                    data.dsize += SIZE_STEP) {
+                       memset(data.dptr, data.dsize, data.dsize);
+                       ok1(ntdb_store(ntdb, key, data, NTDB_MODIFY) == 0);
+                       ok1(ntdb_check(ntdb, NULL, NULL) == 0);
+               }
+               ntdb_close(ntdb);
+       }
+       ok1(tap_log_messages == 0);
+       free(data.dptr);
+
+       return exit_status();
+}