/* SPDX-License-Identifier: MPL-2.0 */

#ifdef ZMQ_USE_FUZZING_ENGINE

#include <fuzzer/FuzzedDataProvider.h>

#endif

#include <string>

#include <stdlib.h>

#include "testutil.hpp"

#include "testutil_unity.hpp"

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

{

    uint8_t *secret_key;

    if (size < 5)

        return 0;

    // As per API definition, input must be divisible by 5, so truncate it if it's not

    size -= size % 5;

    // As per API definition, the destination must be at least 0.8 times the input data

    TEST_ASSERT_NOT_NULL (secret_key = (uint8_t *) malloc (size * 4 / 5));

    std::string z85_secret_key (reinterpret_cast<const char *> (data), size);

    zmq_z85_decode (secret_key, z85_secret_key.c_str ());

    free (secret_key);

    return 0;

}

#ifndef ZMQ_USE_FUZZING_ENGINE

void test_z85_decode_fuzzer ()

{

    uint8_t **data;

    size_t *len, num_cases = 0;

    if (fuzzer_corpus_encode (

          "tests/libzmq-fuzz-corpora/test_z85_decode_fuzzer_seed_corpus", &data,

          &len, &num_cases)

        != 0)

        exit (77);

    while (num_cases-- > 0) {

        TEST_ASSERT_SUCCESS_ERRNO (

          LLVMFuzzerTestOneInput (data[num_cases], len[num_cases]));

        free (data[num_cases]);

    }

    free (data);

    free (len);

}

int main (int argc, char **argv)

{

    setup_test_environment ();

    UNITY_BEGIN ();

    RUN_TEST (test_z85_decode_fuzzer);

    return UNITY_END ();

}

#endif