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// Copyright (c) Tailscale Inc & AUTHORS
// SPDX-License-Identifier: BSD-3-Clause
package netlogtype
import (
"encoding/json"
"math"
"net/netip"
"testing"
"github.com/fxamacker/cbor/v2"
"github.com/google/go-cmp/cmp"
"tailscale.com/util/must"
)
func TestMaxSize(t *testing.T) {
maxAddr := netip.AddrFrom16([16]byte{255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255})
maxAddrPort := netip.AddrPortFrom(maxAddr, math.MaxUint16)
cc := ConnectionCounts{
// NOTE: These composite literals are deliberately unkeyed so that
// added fields result in a build failure here.
// Newly added fields should result in an update to both
// MaxConnectionCountsJSONSize and MaxConnectionCountsCBORSize.
Connection{math.MaxUint8, maxAddrPort, maxAddrPort},
Counts{math.MaxUint64, math.MaxUint64, math.MaxUint64, math.MaxUint64},
}
outJSON := must.Get(json.Marshal(cc))
if string(outJSON) != maxJSONConnCounts {
t.Errorf("JSON mismatch (-got +want):\n%s", cmp.Diff(string(outJSON), maxJSONConnCounts))
}
outCBOR := must.Get(cbor.Marshal(cc))
maxCBORConnCountsAlt := "\xa7" + maxCBORConnCounts[1:len(maxCBORConnCounts)-1] // may use a definite encoding of map
if string(outCBOR) != maxCBORConnCounts && string(outCBOR) != maxCBORConnCountsAlt {
t.Errorf("CBOR mismatch (-got +want):\n%s", cmp.Diff(string(outCBOR), maxCBORConnCounts))
}
}
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