func benchWriteNestedWithSource(db *bolt.DB, options *BenchOptions, results *BenchResults, keySource func() uint32) error { results.WriteOps = options.Iterations for i := 0; i < options.Iterations; i += options.BatchSize { err := db.Update(func(tx *bolt.Tx) error { top, _ := tx.CreateBucketIfNotExists(benchBucketName) top.FillPercent = options.FillPercent var name = make([]byte, options.KeySize) binary.BigEndian.PutUint32(name, keySource()) b, _ := top.CreateBucketIfNotExists(name) b.FillPercent = options.FillPercent for j := 0; j < options.BatchSize; j++ { var key = make([]byte, options.KeySize) var value = make([]byte, options.ValueSize) binary.BigEndian.PutUint32(key, keySource()) if err := b.Put(key, value); err != nil { return err } } return nil }) if err != nil { return err } } return nil }
// Ensure a closed database returns an error while running a transaction block func TestDB_Update_Closed(t *testing.T) { var db bolt.DB err := db.Update(func(tx *bolt.Tx) error { tx.CreateBucket([]byte("widgets")) return nil }) equals(t, err, bolt.ErrDatabaseNotOpen) }