/*

 * Copyright 2021 Uber Technologies, Inc.

 *

 * Licensed under the Apache License, Version 2.0 (the "License");

 * you may not use this file except in compliance with the License.

 * You may obtain a copy of the License at

 *

 *         http://www.apache.org/licenses/LICENSE-2.0

 *

 * Unless required by applicable law or agreed to in writing, software

 * distributed under the License is distributed on an "AS IS" BASIS,

 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

 * See the License for the specific language governing permissions and

 * limitations under the License.

 */

/** @file

 * @brief Fuzzer program for cell property functions

 */

#include "aflHarness.h"

#include "h3api.h"

#include "utility.h"

typedef struct {

    H3Index index;

    H3Index mask;

    int res;

} inputArgs;

int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {

    if (size < sizeof(inputArgs)) {

        return 0;

    }

    const inputArgs *args = (const inputArgs *)data;

    H3_EXPORT(getResolution)(args->index);

    H3_EXPORT(getBaseCellNumber)(args->index);

    H3_EXPORT(isValidIndex)(args->index);

    H3_EXPORT(isValidCell)(args->index);

    H3_EXPORT(isPentagon)(args->index);

    H3_EXPORT(isResClassIII)(args->index);

    int faceCount;

    H3Error err = H3_EXPORT(maxFaceCount)(args->index, &faceCount);

    if (!err && faceCount > 0) {

        int *out = calloc(faceCount, sizeof(int));

        H3_EXPORT(getIcosahedronFaces)(args->index, out);

        free(out);

    }

    int digitOut;

    H3_EXPORT(getIndexDigit)(args->index, args->res, &digitOut);

    return 0;

}

AFL_HARNESS_MAIN(sizeof(inputArgs));