1/*
2 * Copyright (c) 2022 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 "pointerspeed_fuzzer.h"
17
18#include "securec.h"
19
20#include "input_manager.h"
21#include "mmi_log.h"
22
23#undef MMI_LOG_TAG
24#define MMI_LOG_TAG "PointerSpeedFuzzTest"
25
26namespace OHOS {
27namespace MMI {
28template<class T>
29size_t GetObject(const uint8_t *data, size_t size, T &object)
30{
31    size_t objectSize = sizeof(object);
32    if (objectSize > size) {
33        return 0;
34    }
35    errno_t ret = memcpy_s(&object, objectSize, data, objectSize);
36    if (ret != EOK) {
37        return 0;
38    }
39    return objectSize;
40}
41
42void PointerSpeedFuzzTest(const uint8_t* data, size_t size)
43{
44    int32_t speed = 0;
45    size_t startPos = 0;
46    startPos += GetObject<int32_t>(data + startPos, size - startPos, speed);
47    InputManager::GetInstance()->SetPointerSpeed(speed);
48    if (InputManager::GetInstance()->SetPointerSpeed(speed) == RET_OK) {
49        MMI_HILOGD("Set pointer speed success");
50    }
51
52    GetObject<int32_t>(data + startPos, size - startPos, speed);
53    if (InputManager::GetInstance()->GetPointerSpeed(speed) == RET_OK) {
54        MMI_HILOGD("Get pointer speed success");
55    }
56}
57} // namespace MMI
58} // namespace OHOS
59
60/* Fuzzer entry point */
61extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
62{
63    /* Run your code on data */
64    OHOS::MMI::PointerSpeedFuzzTest(data, size);
65    return 0;
66}