1/*
2 * Copyright (c) 2023 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 "uint32arrayrefbytelength_fuzzer.h"
17#include "ecmascript/ecma_string-inl.h"
18#include "ecmascript/napi/include/jsnapi.h"
19
20using namespace panda;
21using namespace panda::ecmascript;
22
23#define MAXBYTELEN sizeof(int32_t)
24
25namespace OHOS {
26void Uint32ArrayRefByteLengthFuzzTest(const uint8_t *data, size_t size)
27{
28    RuntimeOption option;
29    option.SetLogLevel(RuntimeOption::LOG_LEVEL::ERROR);
30    EcmaVM *vm = JSNApi::CreateJSVM(option);
31    if (data == nullptr || size <= 0) {
32        LOG_ECMA(ERROR) << "illegal input!";
33        return;
34    }
35    int32_t input;
36    if (size > MAXBYTELEN) {
37        size = MAXBYTELEN;
38    }
39    if (memcpy_s(&input, MAXBYTELEN, data, size) != 0) {
40        LOG_ECMA(ERROR) << "memcpy_s failed !";
41        UNREACHABLE();
42    }
43    const int32_t MaxMenory = 1024;
44    if (input > MaxMenory) {
45        input = MaxMenory;
46    }
47    Local<ArrayBufferRef> ref = ArrayBufferRef::New(vm, input);
48    Local<Uint32ArrayRef> typedArray = Uint32ArrayRef::New(vm, ref, (int32_t)size, (int32_t)size);
49    typedArray->ByteLength(vm);
50    JSNApi::DestroyJSVM(vm);
51}
52}
53
54// Fuzzer entry point.
55extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
56{
57    // Run your code on data.
58    OHOS::Uint32ArrayRefByteLengthFuzzTest(data, size);
59    return 0;
60}