#include "qpdf/JSON.hh"

#include "qpdf/QPDF.hh"

#include <qpdf/BufferInputSource.hh>

#include <qpdf/Pl_Discard.hh>

#include <iostream>

#include <stdexcept>

class FuzzHelper

{

  public:

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

    void run();

  private:

    void doChecks();

    unsigned char const* data;

    size_t size;

};

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

    data(data),

    size(size)

{

}

void

FuzzHelper::doChecks()

{

    try {

        JSON::parse(std::string(reinterpret_cast<char const*>(data), size));

    } catch (std::runtime_error& e) {

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

    }

    QPDF q;

    q.setMaxWarnings(1000);

    Buffer buf(const_cast<unsigned char*>(data), size);

    auto is = std::make_shared<BufferInputSource>("json", &buf);

    q.createFromJSON(is);

}

void

FuzzHelper::run()

{

    try {

        doChecks();

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

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

    }

}

extern "C" int

LLVMFuzzerTestOneInput(unsigned char const* data, size_t size)

{

    FuzzHelper f(data, size);

    f.run();

    return 0;

}