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package inomap
import (
"sync"
"testing"
)
func TestTranslate(t *testing.T) {
const baseDev = 12345
m := New(baseDev)
q := QIno{Dev: baseDev, Ino: 1}
out := m.Translate(q)
if out != 1 {
t.Errorf("expected 1, got %d", out)
}
q.Ino = inumTranslateBase
out = m.Translate(q)
if out < inumTranslateBase {
t.Errorf("got %d", out)
}
out2 := m.Translate(q)
if out2 != out {
t.Errorf("unstable mapping: %d %d", out2, out)
}
}
func TestTranslateStress(t *testing.T) {
const baseDev = 12345
m := New(baseDev)
var wg sync.WaitGroup
wg.Add(4)
go func() {
q := QIno{Dev: baseDev}
for i := uint64(1); i <= 10000; i++ {
q.Ino = i
out := m.Translate(q)
if out != i {
t.Fail()
}
}
wg.Done()
}()
go func() {
q := QIno{Dev: baseDev}
for i := uint64(1); i <= 10000; i++ {
q.Ino = inumTranslateBase + i
out := m.Translate(q)
if out < inumTranslateBase {
t.Fail()
}
}
wg.Done()
}()
go func() {
q := QIno{Dev: 9999999}
for i := uint64(1); i <= 10000; i++ {
q.Ino = i
out := m.Translate(q)
if out < inumTranslateBase {
t.Fail()
}
}
wg.Done()
}()
go func() {
q := QIno{Dev: 4444444}
for i := uint64(1); i <= 10000; i++ {
q.Ino = i
out := m.Translate(q)
if out < inumTranslateBase {
t.Fail()
}
}
wg.Done()
}()
wg.Wait()
if m.Count() != 30000 {
t.Fail()
}
}
func BenchmarkTranslateSingleDev(b *testing.B) {
m := New(0)
var q QIno
for n := 0; n < b.N; n++ {
q.Ino = uint64(n % 1000)
m.Translate(q)
}
}
func BenchmarkTranslateManyDevs(b *testing.B) {
m := New(0)
var q QIno
for n := 0; n < b.N; n++ {
q.Dev = uint64(n % 10)
q.Ino = uint64(n % 1000)
m.Translate(q)
}
}
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