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// Copyright 2018 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
package shed
import (
"testing"
"github.com/syndtr/goleveldb/leveldb"
)
// TestUint64Field validates put and get operations
// of the Uint64Field.
func TestUint64Field(t *testing.T) {
db, cleanupFunc := newTestDB(t)
defer cleanupFunc()
counter, err := db.NewUint64Field("counter")
if err != nil {
t.Fatal(err)
}
t.Run("get empty", func(t *testing.T) {
got, err := counter.Get()
if err != nil {
t.Fatal(err)
}
var want uint64
if got != want {
t.Errorf("got uint64 %v, want %v", got, want)
}
})
t.Run("put", func(t *testing.T) {
var want uint64 = 42
err = counter.Put(want)
if err != nil {
t.Fatal(err)
}
got, err := counter.Get()
if err != nil {
t.Fatal(err)
}
if got != want {
t.Errorf("got uint64 %v, want %v", got, want)
}
t.Run("overwrite", func(t *testing.T) {
var want uint64 = 84
err = counter.Put(want)
if err != nil {
t.Fatal(err)
}
got, err := counter.Get()
if err != nil {
t.Fatal(err)
}
if got != want {
t.Errorf("got uint64 %v, want %v", got, want)
}
})
})
t.Run("put in batch", func(t *testing.T) {
batch := new(leveldb.Batch)
var want uint64 = 42
counter.PutInBatch(batch, want)
err = db.WriteBatch(batch)
if err != nil {
t.Fatal(err)
}
got, err := counter.Get()
if err != nil {
t.Fatal(err)
}
if got != want {
t.Errorf("got uint64 %v, want %v", got, want)
}
t.Run("overwrite", func(t *testing.T) {
batch := new(leveldb.Batch)
var want uint64 = 84
counter.PutInBatch(batch, want)
err = db.WriteBatch(batch)
if err != nil {
t.Fatal(err)
}
got, err := counter.Get()
if err != nil {
t.Fatal(err)
}
if got != want {
t.Errorf("got uint64 %v, want %v", got, want)
}
})
})
}
// TestUint64Field_Inc validates Inc operation
// of the Uint64Field.
func TestUint64Field_Inc(t *testing.T) {
db, cleanupFunc := newTestDB(t)
defer cleanupFunc()
counter, err := db.NewUint64Field("counter")
if err != nil {
t.Fatal(err)
}
var want uint64 = 1
got, err := counter.Inc()
if err != nil {
t.Fatal(err)
}
if got != want {
t.Errorf("got uint64 %v, want %v", got, want)
}
want = 2
got, err = counter.Inc()
if err != nil {
t.Fatal(err)
}
if got != want {
t.Errorf("got uint64 %v, want %v", got, want)
}
}
// TestUint64Field_IncInBatch validates IncInBatch operation
// of the Uint64Field.
func TestUint64Field_IncInBatch(t *testing.T) {
db, cleanupFunc := newTestDB(t)
defer cleanupFunc()
counter, err := db.NewUint64Field("counter")
if err != nil {
t.Fatal(err)
}
batch := new(leveldb.Batch)
var want uint64 = 1
got, err := counter.IncInBatch(batch)
if err != nil {
t.Fatal(err)
}
if got != want {
t.Errorf("got uint64 %v, want %v", got, want)
}
err = db.WriteBatch(batch)
if err != nil {
t.Fatal(err)
}
got, err = counter.Get()
if err != nil {
t.Fatal(err)
}
if got != want {
t.Errorf("got uint64 %v, want %v", got, want)
}
batch2 := new(leveldb.Batch)
want = 2
got, err = counter.IncInBatch(batch2)
if err != nil {
t.Fatal(err)
}
if got != want {
t.Errorf("got uint64 %v, want %v", got, want)
}
err = db.WriteBatch(batch2)
if err != nil {
t.Fatal(err)
}
got, err = counter.Get()
if err != nil {
t.Fatal(err)
}
if got != want {
t.Errorf("got uint64 %v, want %v", got, want)
}
}
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