#include <qpdf/Pl_Discard.hh>

#include <qpdf/Pl_TIFFPredictor.hh>

#include <iostream>

#include <stdexcept>

class FuzzHelper

{

  public:

    FuzzHelper(unsigned char const* data, size_t size) :

        data(data),

        size(size)

    {

    }

    void

    run()

    {

        Pl_Discard discard;

        Pl_TIFFPredictor p("decoder", &discard, Pl_TIFFPredictor::a_decode, 16, 1, 8);

        // Exercise with strange values for some of the parameters.

        Pl_TIFFPredictor p2("decoder", &discard, Pl_TIFFPredictor::a_decode, 16, 2, 5);

        try {

            p.write(data, size);

            p.finish();

            p2.write(data, size);

            p2.finish();

        } catch (std::runtime_error const& e) {

            std::cerr << "runtime_error: " << e.what() << '\n';

        }

    }

  private:

    unsigned char const* data;

    size_t size;

};

extern "C" int

LLVMFuzzerTestOneInput(unsigned char const* data, size_t size)

{

    FuzzHelper f(data, size);

    f.run();

    return 0;

}