#include <cstdint>

#include <fuzzer/FuzzedDataProvider.h>

#include "crow.h"

class FuzzException : public std::exception

{

    virtual const char* what() const throw()

    {

        return "Base64 decoding error!";

    }

};

extern "C" int LLVMFuzzerTestOneInput(const std::uint8_t* data, const std::size_t size)

{

    FuzzedDataProvider fdp{data, size};

    std::string plaintext = fdp.ConsumeRandomLengthString();

    std::string encoded = crow::utility::base64encode(plaintext, plaintext.size());

    std::string decoded = crow::utility::base64decode(encoded, encoded.size());

    if (plaintext != decoded)

    {

        throw FuzzException();

    }

    return 0;

}