Node / rns-mirrors / Reticulum-Go.git / files / pkg / discovery / interface_discovery_fuzz_test.go

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// SPDX-License-Identifier: Apache-2.0

// Copyright (c) 2024-2026 Quad4.io

package discovery

import (

"bytes"

"testing"

)

func FuzzInterfaceDiscoveryReceivedAnnounce(f *testing.F) {

good, err := BuildAppData(Info{

Type: "AutoInterface",

TransportID: bytes.Repeat([]byte{0xab}, 16),

Name: "fuzz",

}, 2, WorkblockExpandRounds)

if err == nil {

f.Add(good)

}

f.Add([]byte{})

f.Add([]byte{0x00})

f.Add([]byte{0xff, 0xff})

f.Add(bytes.Repeat([]byte{0x11}, 128))

f.Fuzz(func(t *testing.T, app []byte) {

if len(app) > 1<<16 {

t.Skip()

}

h := &interfaceAnnounceHandler{

requiredValue: 2,

validCache: make(map[string]*ReceivedAnnounceInfo),

invalidCache: make(map[string]struct{}),

}

_ = h.ReceivedAnnounce(nil, nil, app, 0)

if len(h.validCache) > 1 || len(h.invalidCache) > 1 {

t.Fatalf("single announce produced multiple cache entries valid=%d invalid=%d",

len(h.validCache), len(h.invalidCache))

}

})

}