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package quic
import (
"crypto/rand"
"testing"
"github.com/quic-go/quic-go/internal/protocol"
"github.com/stretchr/testify/require"
)
func TestStatelessResetter(t *testing.T) {
t.Run("no key", func(t *testing.T) {
r1 := newStatelessResetter(nil)
r2 := newStatelessResetter(nil)
for i := 0; i < 100; i++ {
b := make([]byte, 15)
rand.Read(b)
connID := protocol.ParseConnectionID(b)
t1 := r1.GetStatelessResetToken(connID)
t2 := r2.GetStatelessResetToken(connID)
require.NotZero(t, t1)
require.NotZero(t, t2)
require.NotEqual(t, t1, t2)
}
})
t.Run("with key", func(t *testing.T) {
var key StatelessResetKey
rand.Read(key[:])
m := newStatelessResetter(&key)
b := make([]byte, 8)
rand.Read(b)
connID := protocol.ParseConnectionID(b)
token := m.GetStatelessResetToken(connID)
require.NotZero(t, token)
require.Equal(t, token, m.GetStatelessResetToken(connID))
// generate a new connection ID
rand.Read(b)
connID2 := protocol.ParseConnectionID(b)
require.NotEqual(t, token, m.GetStatelessResetToken(connID2))
})
}
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