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// +build gcc
package db
import (
"bytes"
"fmt"
"os"
"testing"
"github.com/stretchr/testify/assert"
cmn "github.com/tendermint/tendermint/libs/common"
)
func BenchmarkRandomReadsWrites2(b *testing.B) {
b.StopTimer()
numItems := int64(1000000)
internal := map[int64]int64{}
for i := 0; i < int(numItems); i++ {
internal[int64(i)] = int64(0)
}
db, err := NewCLevelDB(fmt.Sprintf("test_%x", cmn.RandStr(12)), "")
if err != nil {
b.Fatal(err.Error())
return
}
fmt.Println("ok, starting")
b.StartTimer()
for i := 0; i < b.N; i++ {
// Write something
{
idx := (int64(cmn.RandInt()) % numItems)
internal[idx]++
val := internal[idx]
idxBytes := int642Bytes(int64(idx))
valBytes := int642Bytes(int64(val))
//fmt.Printf("Set %X -> %X\n", idxBytes, valBytes)
db.Set(
idxBytes,
valBytes,
)
}
// Read something
{
idx := (int64(cmn.RandInt()) % numItems)
val := internal[idx]
idxBytes := int642Bytes(int64(idx))
valBytes := db.Get(idxBytes)
//fmt.Printf("Get %X -> %X\n", idxBytes, valBytes)
if val == 0 {
if !bytes.Equal(valBytes, nil) {
b.Errorf("Expected %v for %v, got %X",
nil, idx, valBytes)
break
}
} else {
if len(valBytes) != 8 {
b.Errorf("Expected length 8 for %v, got %X",
idx, valBytes)
break
}
valGot := bytes2Int64(valBytes)
if val != valGot {
b.Errorf("Expected %v for %v, got %v",
val, idx, valGot)
break
}
}
}
}
db.Close()
}
/*
func int642Bytes(i int64) []byte {
buf := make([]byte, 8)
binary.BigEndian.PutUint64(buf, uint64(i))
return buf
}
func bytes2Int64(buf []byte) int64 {
return int64(binary.BigEndian.Uint64(buf))
}
*/
func TestCLevelDBBackend(t *testing.T) {
name := fmt.Sprintf("test_%x", cmn.RandStr(12))
// Can't use "" (current directory) or "./" here because levigo.Open returns:
// "Error initializing DB: IO error: test_XXX.db: Invalid argument"
dir := os.TempDir()
db := NewDB(name, LevelDBBackend, dir)
defer cleanupDBDir(dir, name)
_, ok := db.(*CLevelDB)
assert.True(t, ok)
}