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#include "catch.hpp"
#include "duckdb/common/file_system.hpp"
#include "test_helpers.hpp"
using namespace duckdb;
using namespace std;
TEST_CASE("Test functioning of checksum", "[storage]") {
duckdb::unique_ptr<FileSystem> fs = FileSystem::CreateLocal();
duckdb::unique_ptr<DuckDB> database;
auto storage_database = TestCreatePath("checksum_test");
auto config = GetTestConfig();
// make sure the database does not exist
DeleteDatabase(storage_database);
{
// create a database and insert values
DuckDB db(storage_database, config.get());
Connection con(db);
REQUIRE_NO_FAIL(con.Query("CREATE TABLE test(a INTEGER);"));
REQUIRE_NO_FAIL(con.Query("INSERT INTO test VALUES (3);"));
}
// we can open the database file now
REQUIRE_NOTHROW(database = make_uniq<DuckDB>(storage_database, config.get()));
database.reset();
// now write random values into the file
auto handle = fs->OpenFile(storage_database, FileFlags::FILE_FLAGS_WRITE);
int8_t value = 0x22;
fs->Write(*handle, &value, sizeof(int8_t), 100);
handle->Sync();
handle.reset();
// reloading the database no longer works
REQUIRE_THROWS(database = make_uniq<DuckDB>(storage_database, config.get()));
DeleteDatabase(storage_database);
}
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