should be it

external/duckdb/test/ossfuzz/test_ossfuzz.cpp

@@ -0,0 +1,50 @@
+#include "catch.hpp"
+#include "duckdb/common/file_system.hpp"
+#include "test_helpers.hpp"
+
+#include <fstream>
+#include <streambuf>
+#include <sstream>
+#include <string>
+
+using namespace duckdb;
+using namespace std;
+
+constexpr const char *QUERY_DIRECTORY = "test/ossfuzz/cases";
+
+static void test_runner() {
+	duckdb::unique_ptr<FileSystem> fs = FileSystem::CreateLocal();
+	auto file_name = Catch::getResultCapture().getCurrentTestName();
+
+	duckdb::unique_ptr<QueryResult> result;
+	DuckDB db(nullptr);
+	Connection con(db);
+	std::ifstream t(file_name);
+	duckdb::stringstream buffer;
+	buffer << t.rdbuf();
+	auto query = buffer.str();
+	result = con.Query(query.c_str());
+
+	unordered_set<string> internal_error_messages = {"Unoptimized Result differs from original result!", "INTERNAL"};
+	if (result->HasError()) {
+		if (TestIsInternalError(internal_error_messages, result->GetError())) {
+			result->Print();
+			REQUIRE(!result->GetErrorObject().HasError());
+		}
+	}
+
+	// we don't know whether the query fails or not and we don't know the
+	// correct result we just don't want it to crash
+	REQUIRE(1 == 1);
+}
+
+struct RegisterOssfuzzTests {
+	RegisterOssfuzzTests() {
+		// register a separate test for each file in the QUERY_DIRECTORY
+		duckdb::unique_ptr<FileSystem> fs = FileSystem::CreateLocal();
+		fs->ListFiles(QUERY_DIRECTORY, [&](string path, bool) {
+			REGISTER_TEST_CASE(test_runner, string(QUERY_DIRECTORY) + "/" + path, "[ossfuzz][.]");
+		});
+	}
+};
+RegisterOssfuzzTests register_ossfuzz_test;