1 /*
2 * Copyright (c) 2024 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 "event_handler_adapter_fuzzer.h"
17
18 #include <cstddef>
19 #include <cstdint>
20 #include <memory>
21 #include <fuzzer/FuzzedDataProvider.h>
22
23 #include "event_handler_adapter_impl.h"
24
25 using namespace OHOS::NWeb;
26
27 namespace OHOS {
28 constexpr int MAX_SET_NUMBER = 1000;
29
30 class EventHandlerFDListenerAdapterTest : public EventHandlerFDListenerAdapter {
31 public:
OnReadable(int32_t fileDescriptor)32 void OnReadable(int32_t fileDescriptor) override {}
33 };
34
EventHandlerAdapterFuzzTest(const uint8_t * data,size_t size)35 bool EventHandlerAdapterFuzzTest(const uint8_t* data, size_t size)
36 {
37 FuzzedDataProvider dataProvider(data, size);
38 int32_t fileDescriptor = dataProvider.ConsumeIntegralInRange<int32_t>(0, MAX_SET_NUMBER);
39 uint32_t events = dataProvider.ConsumeIntegralInRange<uint32_t>(0, MAX_SET_NUMBER);
40
41 std::shared_ptr<EventHandlerFDListenerAdapter> listener = std::make_shared<EventHandlerFDListenerAdapterTest>();
42
43 std::shared_ptr<EventHandlerAdapterImpl> eventHandlerAdapter = std::make_shared<EventHandlerAdapterImpl>();
44
45 eventHandlerAdapter->AddFileDescriptorListener(fileDescriptor, events, listener);
46
47 auto fdListenerImpl = std::make_shared<EventHandlerFDListenerAdapterImpl>(listener);
48 fdListenerImpl->OnReadable(fileDescriptor);
49
50 eventHandlerAdapter->RemoveFileDescriptorListener(fileDescriptor);
51
52 return true;
53 }
54 } // namespace OHOS
55
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)56 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
57 {
58 OHOS::EventHandlerAdapterFuzzTest(data, size);
59 return 0;
60 }