1 /*
2 * Copyright (c) 2024 Huawei Device Co., Ltd.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 * http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15
16 #include "sampling_options_fuzzer.h"
17
18 #include <cstddef>
19 #include <cstdint>
20 #include <securec.h>
21
22 #include "get_object.h"
23 #include "utils/sampling_options.h"
24
25 namespace OHOS {
26 namespace Rosen {
27 namespace Drawing {
28 namespace {
29 constexpr uint32_t MATH_TWO = 2;
30 constexpr uint32_t MATH_THREE = 3;
31 } // namespace
32
SamplingOptionsFuzzTest000(const uint8_t * data,size_t size)33 void SamplingOptionsFuzzTest000(const uint8_t* data, size_t size)
34 {
35 // initialize
36 g_data = data;
37 g_size = size;
38 g_pos = 0;
39
40 uint32_t mm = GetObject<uint32_t>();
41 uint32_t fm = GetObject<uint32_t>();
42
43 SamplingOptions sam;
44 SamplingOptions sam1 = SamplingOptions(static_cast<FilterMode>(fm % MATH_TWO));
45 SamplingOptions sam2 = SamplingOptions(static_cast<FilterMode>(fm % MATH_TWO),
46 static_cast<MipmapMode>(mm % MATH_THREE));
47 CubicResampler c = CubicResampler::CatmullRom();
48 SamplingOptions sam3 = SamplingOptions(c);
49 sam.GetUseCubic();
50 sam.GetFilterMode();
51 sam.GetMipmapMode();
52 sam.GetCubicCoffB();
53 sam.GetCubicCoffC();
54
55 if (sam1 == sam2) {}
56 if (sam1 != sam2) {}
57 }
58 } // namespace Drawing
59 } // namespace Rosen
60 } // namespace OHOS
61
62 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)63 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
64 {
65 /* Run your code on data */
66 OHOS::Rosen::Drawing::SamplingOptionsFuzzTest000(data, size);
67
68 return 0;
69 }