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 "displaydestroy_fuzzer.h"
17
18 #include <cstring>
19 #include <securec.h>
20 #include <fuzzer/FuzzedDataProvider.h>
21
22 #define private public
23 #include "display_manager_adapter_impl.h"
24 #undef private
25 #include "display_info.h"
26
27 using namespace OHOS::NWeb;
28 using namespace OHOS::Rosen;
29
30 namespace OHOS {
31 class DisplayListenerAdapterFuzzTest : public DisplayListenerAdapter {
32 public:
33 DisplayListenerAdapterFuzzTest() = default;
34
35 virtual ~DisplayListenerAdapterFuzzTest() = default;
36
OnCreate(DisplayId)37 void OnCreate(DisplayId) override {}
OnDestroy(DisplayId)38 void OnDestroy(DisplayId) override {}
OnChange(DisplayId)39 void OnChange(DisplayId) override {}
40 };
41 constexpr int MAX_SET_NUMBER = 1000;
42
DisplayDestroyFuzzTest(const uint8_t * data,size_t size)43 bool DisplayDestroyFuzzTest(const uint8_t* data, size_t size)
44 {
45 if ((data == nullptr) || (size == 0)) {
46 return false;
47 }
48 FuzzedDataProvider dataProvider(data, size);
49 std::shared_ptr<DisplayListenerAdapter> listener = nullptr;
50 DisplayListenerAdapterImpl display(listener);
51 DisplayId displayId = dataProvider.ConsumeIntegralInRange<DisplayId>(0, MAX_SET_NUMBER);
52 display.OnCreate(displayId);
53 display.OnDestroy(displayId);
54 display.OnChange(displayId);
55 display.CheckOnlyRefreshRateDecreased(displayId);
56 std::shared_ptr<DisplayListenerAdapter> listener1
57 = std::make_shared<DisplayListenerAdapterFuzzTest>();
58 DisplayListenerAdapterImpl display1(listener1);
59 display1.OnCreate(displayId);
60 display1.OnDestroy(displayId);
61 display1.OnChange(displayId);
62 displayId = DisplayManager::GetInstance().GetDefaultDisplayId();
63 display1.OnChange(displayId);
64 auto displayPtr = DisplayManager::GetInstance().GetDefaultDisplay();
65 if (displayPtr == nullptr) {
66 return false;
67 }
68 auto displayInfo = displayPtr->GetDisplayInfo();
69 if (displayInfo == nullptr) {
70 return false;
71 }
72 display1.ConvertDisplayInfo(*displayInfo);
73 return true;
74 }
75 } // namespace OHOS
76
77 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)78 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
79 {
80 /* Run your code on data */
81 OHOS::DisplayDestroyFuzzTest(data, size);
82 return 0;
83 }
84