tdb: add test for tdb_summary

diff --git a/ccan/tdb/test/run-summary.c b/ccan/tdb/test/run-summary.c
new file mode 100644 (file)
index 0000000..89fbfec
--- /dev/null
+++ b/ccan/tdb/test/run-summary.c
@@ -0,0 +1,65 @@
+#include <ccan/tdb/tdb.h>
+#include <ccan/tdb/io.c>
+#include <ccan/tdb/tdb.c>
+#include <ccan/tdb/lock.c>
+#include <ccan/tdb/freelist.c>
+#include <ccan/tdb/traverse.c>
+#include <ccan/tdb/transaction.c>
+#include <ccan/tdb/error.c>
+#include <ccan/tdb/open.c>
+#include <ccan/tdb/check.c>
+#include <ccan/tdb/hash.c>
+#include <ccan/tdb/summary.c>
+#include <ccan/tap/tap.h>
+#include <stdlib.h>
+#include <err.h>
+
+int main(int argc, char *argv[])
+{
+       unsigned int i, j;
+       struct tdb_context *tdb;
+       int flags[] = { TDB_INTERNAL, TDB_DEFAULT, TDB_NOMMAP,
+                       TDB_INTERNAL|TDB_CONVERT, TDB_CONVERT,
+                       TDB_NOMMAP|TDB_CONVERT };
+       TDB_DATA key = { (unsigned char *)&j, sizeof(j) };
+       TDB_DATA data = { (unsigned char *)&j, sizeof(j) };
+       char *summary;
+
+       plan_tests(sizeof(flags) / sizeof(flags[0]) * 14);
+       for (i = 0; i < sizeof(flags) / sizeof(flags[0]); i++) {
+               tdb = tdb_open("run-summary.tdb", 131, flags[i],
+                              O_RDWR|O_CREAT|O_TRUNC, 0600);
+               ok1(tdb);
+               if (!tdb)
+                       continue;
+
+               /* Put some stuff in there. */
+               for (j = 0; j < 500; j++) {
+                       /* Make sure padding varies to we get some graphs! */
+                       data.dsize = j % (sizeof(j) + 1);
+                       if (tdb_store(tdb, key, data, TDB_REPLACE) != 0)
+                               fail("Storing in tdb");
+               }
+
+               summary = tdb_summary(tdb);
+               diag("%s", summary);
+               ok1(strstr(summary, "Size of file/data: "));
+               ok1(strstr(summary, "Number of records: 500\n"));
+               ok1(strstr(summary, "Smallest/average/largest keys: 4/4/4\n"));
+               ok1(strstr(summary, "Smallest/average/largest data: 0/2/4\n"));
+               ok1(strstr(summary, "Smallest/average/largest padding: "));
+               ok1(strstr(summary, "Number of dead records: 0\n"));
+               ok1(strstr(summary, "Number of free records: 1\n"));
+               ok1(strstr(summary, "Smallest/average/largest free records: "));
+               ok1(strstr(summary, "Number of hash chains: 131\n"));
+               ok1(strstr(summary, "Smallest/average/largest hash chains: "));
+               ok1(strstr(summary, "Number of uncoalesced records: 0\n"));
+               ok1(strstr(summary, "Smallest/average/largest uncoalesced runs: 0/0/0\n"));
+               ok1(strstr(summary, "Percentage keys/data/padding/free/dead/rechdrs&tailers/hashes: "));
+               
+               free(summary);
+               tdb_close(tdb);
+       }
+
+       return exit_status();
+}