72 lines
2.1 KiB
C
72 lines
2.1 KiB
C
/*
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# Copyright 2021 Google LLC
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#
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################################################################################
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*/
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#include <stdint.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "h3api.h"
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#include "utility.h"
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static const Direction DIGITS[7] = {CENTER_DIGIT, K_AXES_DIGIT, J_AXES_DIGIT,
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JK_AXES_DIGIT, I_AXES_DIGIT, IK_AXES_DIGIT,
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IJ_AXES_DIGIT};
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int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
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if (size < sizeof(H3Index)) {
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return 0;
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}
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H3Index h3;
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memcpy(&h3, data, sizeof(H3Index));
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H3Index input[] = {h3, h3};
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int inputSize = sizeof(input) / sizeof(H3Index);
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// fuzz compactCells
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H3Index *compacted = calloc(inputSize, sizeof(H3Index));
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H3Error errCompact = compactCells(input, compacted, inputSize);
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// fuzz uncompactCells
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int compactedCount = 0;
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for (int i = 0; i < inputSize; i++) {
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if (compacted[i] != 0) {
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compactedCount++;
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}
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}
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if (compactedCount < 2) {
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int uncompactRes = 10;
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int64_t uncompactedSize;
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H3Error err2 =
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uncompactCellsSize(compacted, inputSize, uncompactRes, &uncompactedSize);
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H3Index *uncompacted = calloc(uncompactedSize, sizeof(H3Index));
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H3Error err3 = uncompactCells(compacted, compactedCount, uncompacted,
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uncompactedSize, uncompactRes);
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free(uncompacted);
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}
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// fuzz h3NeighborRotations
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int rotations = 0;
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for (int i = 0; i < 7; i++) {
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h3NeighborRotations(h3, DIGITS[i], &rotations);
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}
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free(compacted);
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return 0;
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}
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