func (t *testMvccSuite) scanRawEngine(c *C, f func([]byte, []byte)) {
// scan raw db
var k kv.Key
var v []byte
for {
var err error
k, v, err = t.s.(*dbStore).db.Seek(k)
if err != nil {
break
}
f(k, v)
k = k.Next()
}
}
func count(db engine.DB) int {
var k kv.Key
totalCnt := 0
for {
var err error
k, _, err = db.Seek(k)
if err != nil {
break
}
k = k.Next()
totalCnt++
}
return totalCnt
}