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/*
# Copyright 2021 Google LLC
#
# 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.
#
################################################################################
*/
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "h3api.h"
#include "utility.h"
static const Direction DIGITS[7] = {CENTER_DIGIT, K_AXES_DIGIT, J_AXES_DIGIT,
JK_AXES_DIGIT, I_AXES_DIGIT, IK_AXES_DIGIT,
IJ_AXES_DIGIT};
int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
if (size < sizeof(H3Index)) {
return 0;
}
H3Index h3;
memcpy(&h3, data, sizeof(H3Index));
H3Index input[] = {h3, h3};
int inputSize = sizeof(input) / sizeof(H3Index);
// fuzz compactCells
H3Index *compacted = calloc(inputSize, sizeof(H3Index));
H3Error errCompact = compactCells(input, compacted, inputSize);
// fuzz uncompactCells
int compactedCount = 0;
for (int i = 0; i < inputSize; i++) {
if (compacted[i] != 0) {
compactedCount++;
}
}
if (compactedCount < 2) {
int uncompactRes = 10;
int64_t uncompactedSize;
H3Error err2 =
uncompactCellsSize(compacted, inputSize, uncompactRes, &uncompactedSize);
H3Index *uncompacted = calloc(uncompactedSize, sizeof(H3Index));
H3Error err3 = uncompactCells(compacted, compactedCount, uncompacted,
uncompactedSize, uncompactRes);
free(uncompacted);
}
// fuzz h3NeighborRotations
int rotations = 0;
for (int i = 0; i < 7; i++) {
h3NeighborRotations(h3, DIGITS[i], &rotations);
}
free(compacted);
return 0;
}
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