1 /*
2 * Copyright (c) 2025 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 "touchpadscrolldirection_fuzzer.h"
17
18 #include "securec.h"
19
20 #include "input_manager.h"
21 #include "mmi_log.h"
22
23 namespace OHOS {
24 namespace MMI {
25
26 template <class T>
GetObject(T & object,const uint8_t * data,size_t size)27 size_t GetObject(T &object, const uint8_t *data, size_t size)
28 {
29 size_t objectSize = sizeof(object);
30 if (objectSize > size) {
31 return 0;
32 }
33 errno_t ret = memcpy_s(&object, objectSize, data, objectSize);
34 if (ret != EOK) {
35 return 0;
36 }
37 return objectSize;
38 }
39
TouchpadScrollDirectionFuzzTest(const uint8_t * data,size_t size)40 void TouchpadScrollDirectionFuzzTest(const uint8_t *data, size_t size)
41 {
42 int32_t random = 0;
43 GetObject<int32_t>(random, data, size);
44 bool direction = (random % 2 == 0);
45 InputManager::GetInstance()->SetTouchpadScrollDirection(direction);
46 bool currentDirection = false;
47 InputManager::GetInstance()->GetTouchpadScrollDirection(currentDirection);
48 }
49
50 } // namespace MMI
51 } // namespace OHOS
52
53 // fuzz entry point
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)54 extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
55 {
56 OHOS::MMI::TouchpadScrollDirectionFuzzTest(data, size);
57 return 0;
58 }