Rebase on top of ttl.

db.go

@@ -536,10 +536,10 @@ func (db *RedisDB) setUnion(keys []string) (setKey, error) {
 // fastForward proceeds the current timestamp with duration, works as a time machine
 func (db *RedisDB) fastForward(duration time.Duration) () {
 	for _, key := range db.allKeys() {
-		value, ok := db.expire[key]
+		value, ok := db.ttl[key]
 		if ok {
-			db.expire[key] = value - int(duration)
-			if db.expire[key] <= 0 {
+			db.ttl[key] = value - duration
+			if db.ttl[key] <= 0 {
 				db.del(key, true)
 			}
 		}

miniredis.go

@@ -251,8 +251,9 @@ func (m *Miniredis) TotalConnectionCount() int {
 
 // FastForward proceeds the time of selected db by duration.
 func (m *Miniredis) FastForward(duration time.Duration) () {
-	db := m.db(m.selectedDB)
-	db.fastForward(duration)
+	for _, db := range m.dbs {
+		db.fastForward(duration)
+	}
 }
 
 // Dump returns a text version of the selected DB, usable for debugging.

miniredis_test.go

@@ -188,7 +188,7 @@ func TestExpireWithFastForward(t *testing.T) {
 	ok(t, err)
 	s.Set("aap", "noot")
 	equals(t, []string{"aap"}, s.Keys())
-	s.SetExpire("aap", 10)
+	s.SetTTL("aap", 10)
 
 	s.FastForward(10)
 	equals(t, []string{}, s.Keys())