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fuzz: extract ConsumeDBParams helper

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Pull the inline DBParams construction out of TestDbWrapper into a shared
ConsumeDBParams() helper. This is a pure refactor with no behavior change,
preparing for an additional harness that needs to build the same params.
This commit is contained in:
Andrew Toth
2026-06-02 09:45:26 -04:00
parent de925455c8
commit 6609088fe6
1 changed files with 17 additions and 10 deletions
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27
src/test/fuzz/dbwrapper.cpp
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@@ -152,6 +152,22 @@ void VerifyIterator(CDBWrapper& dbw, const Oracle& oracle,
assert(oracle_it == oracle.end());
}
/** Build randomized DBParams from the fuzz input, shared by all targets. */
DBParams ConsumeDBParams(FuzzedDataProvider& provider, leveldb::Env* testing_env,
bool obfuscate, DBOptions options = {})
{
return DBParams{
.path = "dbwrapper_fuzz",
.cache_bytes = provider.ConsumeIntegralInRange<size_t>(64 << 10, 1_MiB),
.obfuscate = obfuscate,
.options = options,
.testing_env = testing_env,
.max_file_size = provider.ConsumeBool()
? DBWRAPPER_MAX_FILE_SIZE
: provider.ConsumeIntegralInRange<size_t>(1_MiB, 4_MiB),
};
}
template <typename DrainWorkFn, typename RunOneFn>
void TestDbWrapper(FuzzedDataProvider& provider,
leveldb::Env* testing_env,
@@ -164,16 +180,7 @@ void TestDbWrapper(FuzzedDataProvider& provider,
const bool obfuscate{provider.ConsumeBool()};
const auto make_db{[&](DBOptions options = {}) {
return std::make_unique<CDBWrapper>(DBParams{
.path = "dbwrapper_fuzz",
.cache_bytes = provider.ConsumeIntegralInRange<size_t>(64 << 10, 1_MiB),
.obfuscate = obfuscate,
.options = options,
.testing_env = testing_env,
.max_file_size = provider.ConsumeBool()
? DBWRAPPER_MAX_FILE_SIZE
: provider.ConsumeIntegralInRange<size_t>(1_MiB, 4_MiB),
});
return std::make_unique<CDBWrapper>(ConsumeDBParams(provider, testing_env, obfuscate, options));
}};
std::unique_ptr<CDBWrapper> dbw{make_db()};