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 "displaychange_fuzzer.h"
17
18 #include <cstring>
19 #include <securec.h>
20 #include <fuzzer/FuzzedDataProvider.h>
21
22 #include "display_manager_adapter_impl.h"
23
24 using namespace OHOS::NWeb;
25 using namespace OHOS::Rosen;
26
27 namespace OHOS {
28 constexpr int MAX_SET_NUMBER = 1000;
29
DisplayChangeFuzzTest(const uint8_t * data,size_t size)30 bool DisplayChangeFuzzTest(const uint8_t* data, size_t size)
31 {
32 if ((data == nullptr) || (size == 0)) {
33 return false;
34 }
35 std::shared_ptr<DisplayListenerAdapter> listener = nullptr;
36 DisplayListenerAdapterImpl display(listener);
37 FuzzedDataProvider dataProvider(data, size);
38 int32_t DisplayIdNum = dataProvider.ConsumeIntegralInRange<int32_t>(0, MAX_SET_NUMBER);
39 display.OnChange(static_cast<DisplayId>(DisplayIdNum));
40 return true;
41 }
42 } // namespace OHOS
43
44 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)45 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
46 {
47 /* Run your code on data */
48 OHOS::DisplayChangeFuzzTest(data, size);
49 return 0;
50 }
51