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 #define private public
16 #include "displaycreate_fuzzer.h"
17
18 #include <cstring>
19 #include <securec.h>
20 #include <fuzzer/FuzzedDataProvider.h>
21
22 #include "display_manager_adapter_impl.h"
23 #include "display_info.h"
24
25 using namespace OHOS::NWeb;
26 using namespace OHOS::Rosen;
27
28 namespace OHOS {
29 constexpr DisplayId MAX_DISPLAY_ID = 1000;
DisplayCreateFuzzTest(const uint8_t * data,size_t size)30 bool DisplayCreateFuzzTest(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 fuzzedData(data, size);
38 DisplayId randmoId = fuzzedData.ConsumeIntegralInRange<DisplayId>(0, MAX_DISPLAY_ID);
39 display.OnCreate(randmoId);
40 return true;
41 }
42
DisplayInstanceFuzzTest(const uint8_t * data,size_t size)43 void DisplayInstanceFuzzTest(const uint8_t* data, size_t size)
44 {
45 if ((data == nullptr) || (size == 0)) {
46 return;
47 }
48 FuzzedDataProvider fuzzedData(data, size);
49 std::shared_ptr<DisplayListenerAdapter> listener = nullptr;
50 DisplayListenerAdapterImpl display(listener);
51 auto displayPtr = DisplayManager::GetInstance().GetDefaultDisplay();
52 if (displayPtr == nullptr) {
53 return;
54 }
55 auto displayInfo = displayPtr->GetDisplayInfo();
56 display.ConvertDisplayInfo(*displayInfo);
57
58 std::shared_ptr<FoldStatusListenerAdapter> foldStatusListenerAdapter =
59 std::make_shared<FoldStatusListenerAdapter>();
60 FoldStatusListenerAdapterImpl foldStatus(foldStatusListenerAdapter);
61 int mode = fuzzedData.ConsumeIntegralInRange<int>(0, 5);
62 foldStatus.OnFoldStatusChanged(static_cast<NativeDisplayManager_FoldDisplayMode>(mode));
63 }
64 } // namespace OHOS
65
66 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)67 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
68 {
69 /* Run your code on data */
70 OHOS::DisplayCreateFuzzTest(data, size);
71 OHOS::DisplayInstanceFuzzTest(data, size);
72 return 0;
73 }
74