X-Git-Url: http://git.ozlabs.org/?p=ccan;a=blobdiff_plain;f=ccan%2Ftdb2%2Ftest%2Frun-02-expand.c;h=130daa8c6cb2e4f144470947a98d45fd220c7870;hp=b35176453ca29941225500664b6de57a29b68c1a;hb=b24f8e2ae5ac22fc2e5dbfebebf9c5fa2f338588;hpb=6804501c350181dea8f531142b28c620b70edbd9

diff --git a/ccan/tdb2/test/run-02-expand.c b/ccan/tdb2/test/run-02-expand.c
index b3517645..130daa8c 100644
--- a/ccan/tdb2/test/run-02-expand.c
+++ b/ccan/tdb2/test/run-02-expand.c
@@ -3,6 +3,7 @@
 #include <ccan/tdb2/lock.c>
 #include <ccan/tdb2/io.c>
 #include <ccan/tdb2/check.c>
+#include <ccan/tdb2/transaction.c>
 #include <ccan/tdb2/hash.c>
 #include <ccan/tap/tap.h>
 #include "logging.h"
@@ -16,7 +17,7 @@ int main(int argc, char *argv[])
 			TDB_INTERNAL|TDB_CONVERT, TDB_CONVERT,
 			TDB_NOMMAP|TDB_CONVERT };
 
-	plan_tests(sizeof(flags) / sizeof(flags[0]) * 18 + 1);
+	plan_tests(sizeof(flags) / sizeof(flags[0]) * 11 + 1);
 
 	for (i = 0; i < sizeof(flags) / sizeof(flags[0]); i++) {
 		tdb = tdb_open("run-expand.tdb", flags[i],
@@ -25,36 +26,20 @@ int main(int argc, char *argv[])
 		if (!tdb)
 			continue;
 
-		/* First expand. Should add a zone, doubling file size.. */
-		val = tdb->map_size - 1 - sizeof(struct tdb_header);
+		val = tdb->map_size;
+		/* Need some hash lock for expand. */
+		ok1(tdb_lock_hashes(tdb, 0, 1, F_WRLCK, TDB_LOCK_WAIT) == 0);
 		ok1(tdb_expand(tdb, 1) == 0);
-		ok1(tdb->map_size == 2 * val + 1 + sizeof(struct tdb_header));
+		ok1(tdb->map_size >= val + 1 * TDB_EXTENSION_FACTOR);
+		ok1(tdb_unlock_hashes(tdb, 0, 1, F_WRLCK) == 0);
 		ok1(tdb_check(tdb, NULL, NULL) == 0);
 
-		/* Second expand, add another zone of same size. */
-		ok1(tdb_expand(tdb, 1) == 0);
-		ok1(tdb->map_size == 3 * val + 1 + sizeof(struct tdb_header));
-		ok1(tdb_check(tdb, NULL, NULL) == 0);
-
-		/* Large expand, but can only add 4th zone of same size. */
-		ok1(tdb_expand(tdb, 4*val) == 0);
-		ok1(tdb->map_size == 4 * val + 1 + sizeof(struct tdb_header));
-		ok1(tdb_check(tdb, NULL, NULL) == 0);
-
-		/* Large expand now will double file. */
-		ok1(tdb_expand(tdb, 4*val) == 0);
-		ok1(tdb->map_size == 8 * val + 1 + sizeof(struct tdb_header));
-		ok1(tdb_check(tdb, NULL, NULL) == 0);
-
-		/* And again? */
-		ok1(tdb_expand(tdb, 4*val) == 0);
-		ok1(tdb->map_size == 16 * val + 1 + sizeof(struct tdb_header));
+		val = tdb->map_size;
+		ok1(tdb_lock_hashes(tdb, 0, 1, F_WRLCK, TDB_LOCK_WAIT) == 0);
+		ok1(tdb_expand(tdb, 1024) == 0);
+		ok1(tdb_unlock_hashes(tdb, 0, 1, F_WRLCK) == 0);
+		ok1(tdb->map_size >= val + 1024 * TDB_EXTENSION_FACTOR);
 		ok1(tdb_check(tdb, NULL, NULL) == 0);
-
-		/* Below comfort level, will add a single 8*val zone. */
-		ok1(tdb_expand(tdb, ((8*val) >> TDB_COMFORT_FACTOR_BITS)
-			       - sizeof(struct tdb_used_record)) == 0);
-		ok1(tdb->map_size == 24 * val + 1 + sizeof(struct tdb_header));
 		tdb_close(tdb);
 	}