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 "registerdisplay_fuzzer.h"
17
18 #include <cstring>
19 #include <securec.h>
20
21 #include "display_manager_adapter_impl.h"
22
23 using namespace OHOS::NWeb;
24 using namespace OHOS::Rosen;
25
26 namespace OHOS {
RegisterDisplayFuzzTest(const uint8_t * data,size_t size)27 bool RegisterDisplayFuzzTest(const uint8_t* data, size_t size)
28 {
29 if ((data == nullptr) || (size == 0)) {
30 return false;
31 }
32 size_t callCount = data[0] % 10;
33 for (size_t i = 0; i < callCount; i++) {
34 DisplayManagerAdapterImpl display;
35 std::shared_ptr<DisplayListenerAdapter> listener = nullptr;
36 uint32_t id = display.RegisterDisplayListener(listener);
37 display.UnregisterDisplayListener(id);
38 }
39 DisplayManagerAdapterImpl display;
40 std::shared_ptr<DisplayListenerAdapter> listener = nullptr;
41 uint32_t id = display.RegisterDisplayListener(listener);
42 display.UnregisterDisplayListener(id);
43 return true;
44 }
45 } // namespace OHOS
46
47 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)48 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
49 {
50 /* Run your code on data */
51 OHOS::RegisterDisplayFuzzTest(data, size);
52 return 0;
53 }
54