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package logging_test
import (
"net"
"testing"
"github.com/quic-go/quic-go/internal/protocol"
. "github.com/quic-go/quic-go/logging"
"github.com/stretchr/testify/require"
)
func TestNilTracerWhenEmpty(t *testing.T) {
require.Nil(t, NewMultiplexedTracer())
}
func TestSingleTracer(t *testing.T) {
tr := &Tracer{}
tracer := NewMultiplexedTracer(tr)
require.Equal(t, tr, tracer)
}
func TestTracerPacketSent(t *testing.T) {
var s1, s2 ByteCount
t1 := &Tracer{SentPacket: func(_ net.Addr, _ *Header, s ByteCount, _ []Frame) { s1 = s }}
t2 := &Tracer{SentPacket: func(_ net.Addr, _ *Header, s ByteCount, _ []Frame) { s2 = s }}
tracer := NewMultiplexedTracer(t1, t2, &Tracer{})
const size ByteCount = 1024
remote := &net.UDPAddr{IP: net.IPv4(4, 3, 2, 1)}
hdr := &Header{DestConnectionID: protocol.ParseConnectionID([]byte{1, 2, 3})}
f := &MaxDataFrame{MaximumData: 1337}
tracer.SentPacket(remote, hdr, size, []Frame{f})
require.Equal(t, size, s1)
require.Equal(t, size, s2)
}
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