tdb2: change to using a hash tree.

[ccan] / ccan / tdb2 / test / run-15-append.c

diff --git a/ccan/tdb2/test/run-15-append.c b/ccan/tdb2/test/run-15-append.c
new file mode 100644 (file)
index 0000000..3f1fb5b
--- /dev/null
+++ b/ccan/tdb2/test/run-15-append.c
@@ -0,0 +1,100 @@
+#include <ccan/tdb2/tdb.c>
+#include <ccan/tdb2/free.c>
+#include <ccan/tdb2/lock.c>
+#include <ccan/tdb2/io.c>
+#include <ccan/tdb2/hash.c>
+#include <ccan/tdb2/check.c>
+#include <ccan/tap/tap.h>
+#include "logging.h"
+
+#define MAX_SIZE 13100
+#define SIZE_STEP 131
+
+int main(int argc, char *argv[])
+{
+       unsigned int i, j;
+       struct tdb_context *tdb;
+       unsigned char *buffer;
+       int flags[] = { TDB_INTERNAL, TDB_DEFAULT, TDB_NOMMAP,
+                       TDB_INTERNAL|TDB_CONVERT, TDB_CONVERT, 
+                       TDB_NOMMAP|TDB_CONVERT };
+       struct tdb_data key = { (unsigned char *)"key", 3 };
+       struct tdb_data data;
+
+       buffer = malloc(MAX_SIZE);
+       for (i = 0; i < MAX_SIZE; i++)
+               buffer[i] = i;
+
+       plan_tests(sizeof(flags) / sizeof(flags[0])
+                  * ((2 + MAX_SIZE/SIZE_STEP * 4) * 2 + 6)
+                  + 1);
+
+       /* Using tdb_store. */
+       for (i = 0; i < sizeof(flags) / sizeof(flags[0]); i++) {
+               tdb = tdb_open("run-append.tdb", flags[i],
+                              O_RDWR|O_CREAT|O_TRUNC, 0600, &tap_log_attr);
+               ok1(tdb);
+               if (!tdb)
+                       continue;
+
+               for (j = 0; j < MAX_SIZE; j += SIZE_STEP) {
+                       data.dptr = buffer;
+                       data.dsize = j;
+                       ok1(tdb_store(tdb, key, data, TDB_REPLACE) == 0);
+                       ok1(tdb_check(tdb, NULL, NULL) == 0);
+                       data = tdb_fetch(tdb, key);
+                       ok1(data.dsize == j);
+                       ok1(memcmp(data.dptr, buffer, data.dsize) == 0);
+                       free(data.dptr);
+               }
+               ok1(!tdb_has_locks(tdb));
+               tdb_close(tdb);
+       }
+
+       /* Using tdb_append. */
+       for (i = 0; i < sizeof(flags) / sizeof(flags[0]); i++) {
+               size_t prev_len = 0;
+               tdb = tdb_open("run-append.tdb", flags[i],
+                              O_RDWR|O_CREAT|O_TRUNC, 0600, &tap_log_attr);
+               ok1(tdb);
+               if (!tdb)
+                       continue;
+
+               for (j = 0; j < MAX_SIZE; j += SIZE_STEP) {
+                       data.dptr = buffer + prev_len;
+                       data.dsize = j - prev_len;
+                       ok1(tdb_append(tdb, key, data) == 0);
+                       ok1(tdb_check(tdb, NULL, NULL) == 0);
+                       data = tdb_fetch(tdb, key);
+                       ok1(data.dsize == j);
+                       ok1(memcmp(data.dptr, buffer, data.dsize) == 0);
+                       free(data.dptr);
+                       prev_len = data.dsize;
+               }
+               ok1(!tdb_has_locks(tdb));
+               tdb_close(tdb);
+       }
+
+       for (i = 0; i < sizeof(flags) / sizeof(flags[0]); i++) {
+               tdb = tdb_open("run-append.tdb", flags[i],
+                              O_RDWR|O_CREAT|O_TRUNC, 0600, &tap_log_attr);
+               ok1(tdb);
+               if (!tdb)
+                       continue;
+
+               /* Huge initial store. */
+               data.dptr = buffer;
+               data.dsize = MAX_SIZE;
+               ok1(tdb_append(tdb, key, data) == 0);
+               ok1(tdb_check(tdb, NULL, NULL) == 0);
+               data = tdb_fetch(tdb, key);
+               ok1(data.dsize == MAX_SIZE);
+               ok1(memcmp(data.dptr, buffer, data.dsize) == 0);
+               free(data.dptr);
+               ok1(!tdb_has_locks(tdb));
+               tdb_close(tdb);
+       }
+
+       ok1(tap_log_messages == 0);
+       return exit_status();
+}