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fuzz: Introduce CallOneOf helper to replace switch-case

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MarcoFalke 2021-01-02 13:38:14 +01:00
parent 9c0b76c709
commit fa75d40ef8
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19 changed files with 1097 additions and 1217 deletions
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147
src/test/fuzz/net.cpp
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@ -32,85 +32,74 @@ FUZZ_TARGET_INIT(net, initialize_net)
CNode node{ConsumeNode(fuzzed_data_provider)};
node.SetCommonVersion(fuzzed_data_provider.ConsumeIntegral<int>());
while (fuzzed_data_provider.ConsumeBool()) {
switch (fuzzed_data_provider.ConsumeIntegralInRange<int>(0, 10)) {
case 0: {
node.CloseSocketDisconnect();
break;
}
case 1: {
node.MaybeSetAddrName(fuzzed_data_provider.ConsumeRandomLengthString(32));
break;
}
case 2: {
const std::vector<bool> asmap = ConsumeRandomLengthBitVector(fuzzed_data_provider);
if (!SanityCheckASMap(asmap)) {
break;
}
CNodeStats stats;
node.copyStats(stats, asmap);
break;
}
case 3: {
const CNode* add_ref_node = node.AddRef();
assert(add_ref_node == &node);
break;
}
case 4: {
if (node.GetRefCount() > 0) {
node.Release();
}
break;
}
case 5: {
if (node.m_addr_known == nullptr) {
break;
}
const std::optional<CAddress> addr_opt = ConsumeDeserializable<CAddress>(fuzzed_data_provider);
if (!addr_opt) {
break;
}
node.AddAddressKnown(*addr_opt);
break;
}
case 6: {
if (node.m_addr_known == nullptr) {
break;
}
const std::optional<CAddress> addr_opt = ConsumeDeserializable<CAddress>(fuzzed_data_provider);
if (!addr_opt) {
break;
}
FastRandomContext fast_random_context{ConsumeUInt256(fuzzed_data_provider)};
node.PushAddress(*addr_opt, fast_random_context);
break;
}
case 7: {
const std::optional<CInv> inv_opt = ConsumeDeserializable<CInv>(fuzzed_data_provider);
if (!inv_opt) {
break;
}
node.AddKnownTx(inv_opt->hash);
break;
}
case 8: {
node.PushTxInventory(ConsumeUInt256(fuzzed_data_provider));
break;
}
case 9: {
const std::optional<CService> service_opt = ConsumeDeserializable<CService>(fuzzed_data_provider);
if (!service_opt) {
break;
}
node.SetAddrLocal(*service_opt);
break;
}
case 10: {
const std::vector<uint8_t> b = ConsumeRandomLengthByteVector(fuzzed_data_provider);
bool complete;
node.ReceiveMsgBytes(b, complete);
break;
}
}
CallOneOf(
fuzzed_data_provider,
[&] {
node.CloseSocketDisconnect();
},
[&] {
node.MaybeSetAddrName(fuzzed_data_provider.ConsumeRandomLengthString(32));
},
[&] {
const std::vector<bool> asmap = ConsumeRandomLengthBitVector(fuzzed_data_provider);
if (!SanityCheckASMap(asmap)) {
return;
}
CNodeStats stats;
node.copyStats(stats, asmap);
},
[&] {
const CNode* add_ref_node = node.AddRef();
assert(add_ref_node == &node);
},
[&] {
if (node.GetRefCount() > 0) {
node.Release();
}
},
[&] {
if (node.m_addr_known == nullptr) {
return;
}
const std::optional<CAddress> addr_opt = ConsumeDeserializable<CAddress>(fuzzed_data_provider);
if (!addr_opt) {
return;
}
node.AddAddressKnown(*addr_opt);
},
[&] {
if (node.m_addr_known == nullptr) {
return;
}
const std::optional<CAddress> addr_opt = ConsumeDeserializable<CAddress>(fuzzed_data_provider);
if (!addr_opt) {
return;
}
FastRandomContext fast_random_context{ConsumeUInt256(fuzzed_data_provider)};
node.PushAddress(*addr_opt, fast_random_context);
},
[&] {
const std::optional<CInv> inv_opt = ConsumeDeserializable<CInv>(fuzzed_data_provider);
if (!inv_opt) {
return;
}
node.AddKnownTx(inv_opt->hash);
},
[&] {
node.PushTxInventory(ConsumeUInt256(fuzzed_data_provider));
},
[&] {
const std::optional<CService> service_opt = ConsumeDeserializable<CService>(fuzzed_data_provider);
if (!service_opt) {
return;
}
node.SetAddrLocal(*service_opt);
},
[&] {
const std::vector<uint8_t> b = ConsumeRandomLengthByteVector(fuzzed_data_provider);
bool complete;
node.ReceiveMsgBytes(b, complete);
});
}
(void)node.GetAddrLocal();