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-rw-r--r--src/test/fuzz/node_eviction.cpp44
1 files changed, 44 insertions, 0 deletions
diff --git a/src/test/fuzz/node_eviction.cpp b/src/test/fuzz/node_eviction.cpp
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+++ b/src/test/fuzz/node_eviction.cpp
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+// Copyright (c) 2020 The Bitcoin Core developers
+// Distributed under the MIT software license, see the accompanying
+// file COPYING or http://www.opensource.org/licenses/mit-license.php.
+
+#include <net.h>
+#include <optional.h>
+#include <protocol.h>
+#include <test/fuzz/FuzzedDataProvider.h>
+#include <test/fuzz/fuzz.h>
+#include <test/fuzz/util.h>
+
+#include <algorithm>
+#include <cassert>
+#include <cstdint>
+#include <optional>
+#include <vector>
+
+FUZZ_TARGET(node_eviction)
+{
+ FuzzedDataProvider fuzzed_data_provider{buffer.data(), buffer.size()};
+ std::vector<NodeEvictionCandidate> eviction_candidates;
+ while (fuzzed_data_provider.ConsumeBool()) {
+ eviction_candidates.push_back({
+ fuzzed_data_provider.ConsumeIntegral<NodeId>(),
+ fuzzed_data_provider.ConsumeIntegral<int64_t>(),
+ fuzzed_data_provider.ConsumeIntegral<int64_t>(),
+ fuzzed_data_provider.ConsumeIntegral<int64_t>(),
+ fuzzed_data_provider.ConsumeIntegral<int64_t>(),
+ fuzzed_data_provider.ConsumeBool(),
+ fuzzed_data_provider.ConsumeBool(),
+ fuzzed_data_provider.ConsumeBool(),
+ fuzzed_data_provider.ConsumeIntegral<uint64_t>(),
+ fuzzed_data_provider.ConsumeBool(),
+ fuzzed_data_provider.ConsumeBool(),
+ });
+ }
+ // Make a copy since eviction_candidates may be in some valid but otherwise
+ // indeterminate state after the SelectNodeToEvict(&&) call.
+ const std::vector<NodeEvictionCandidate> eviction_candidates_copy = eviction_candidates;
+ const Optional<NodeId> node_to_evict = SelectNodeToEvict(std::move(eviction_candidates));
+ if (node_to_evict) {
+ assert(std::any_of(eviction_candidates_copy.begin(), eviction_candidates_copy.end(), [&node_to_evict](const NodeEvictionCandidate& eviction_candidate) { return *node_to_evict == eviction_candidate.id; }));
+ }
+}