You cannot select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
tailscale/util/fastuuid/fastuuid_test.go

73 lines
1.2 KiB
Go

// Copyright (c) Tailscale Inc & AUTHORS
// SPDX-License-Identifier: BSD-3-Clause
package fastuuid
import (
"testing"
"github.com/google/uuid"
)
func TestNewUUID(t *testing.T) {
g := pool.Get().(*generator)
defer pool.Put(g)
u := g.newUUID()
if u[6] != (u[6]&0x0f)|0x40 {
t.Errorf("version bits are incorrect")
}
if u[8] != (u[8]&0x3f)|0x80 {
t.Errorf("variant bits are incorrect")
}
}
func BenchmarkBasic(b *testing.B) {
b.Run("NewUUID", func(b *testing.B) {
for i := 0; i < b.N; i++ {
NewUUID()
}
})
b.Run("uuid.New-unpooled", func(b *testing.B) {
uuid.DisableRandPool()
for i := 0; i < b.N; i++ {
uuid.New()
}
})
b.Run("uuid.New-pooled", func(b *testing.B) {
uuid.EnableRandPool()
for i := 0; i < b.N; i++ {
uuid.New()
}
})
}
func BenchmarkParallel(b *testing.B) {
b.Run("NewUUID", func(b *testing.B) {
b.RunParallel(func(pb *testing.PB) {
for pb.Next() {
NewUUID()
}
})
})
b.Run("uuid.New-unpooled", func(b *testing.B) {
uuid.DisableRandPool()
b.RunParallel(func(pb *testing.PB) {
for pb.Next() {
uuid.New()
}
})
})
b.Run("uuid.New-pooled", func(b *testing.B) {
uuid.EnableRandPool()
b.RunParallel(func(pb *testing.PB) {
for pb.Next() {
uuid.New()
}
})
})
}