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test: wallet db, exercise deadlock after write failure

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furszy 2023-12-20 12:07:13 -03:00
parent 05c4c5a434
commit fdf9f66909
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src/wallet/test/db_tests.cpp
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@ -205,5 +205,29 @@ BOOST_AUTO_TEST_CASE(db_cursor_prefix_byte_test)
}
}
BOOST_AUTO_TEST_CASE(db_availability_after_write_error)
{
// Ensures the database remains accessible without deadlocking after a write error.
// To simulate the behavior, record overwrites are disallowed, and the test verifies
// that the database remains active after failing to store an existing record.
for (const auto& database : TestDatabases(m_path_root)) {
// Write original record
std::unique_ptr<DatabaseBatch> batch = database->MakeBatch();
std::string key = "key";
std::string value = "value";
std::string value2 = "value_2";
BOOST_CHECK(batch->Write(key, value));
// Attempt to overwrite the record (expect failure)
BOOST_CHECK(!batch->Write(key, value2, /*fOverwrite=*/false));
// Successfully overwrite the record
BOOST_CHECK(batch->Write(key, value2, /*fOverwrite=*/true));
// Sanity-check; read and verify the overwritten value
std::string read_value;
BOOST_CHECK(batch->Read(key, read_value));
BOOST_CHECK_EQUAL(read_value, value2);
}
}
BOOST_AUTO_TEST_SUITE_END()
} // namespace wallet