/*

 * Copyright (c) 2022 Huawei Device Co., Ltd.

 * Licensed under the Apache License, Version 2.0 (the "License");

 * you may not use this file except in compliance with the License.

 * You may obtain a copy of the License at

 *

 *     http://www.apache.org/licenses/LICENSE-2.0

 *

 * Unless required by applicable law or agreed to in writing, software

 * distributed under the License is distributed on an "AS IS" BASIS,

 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

 * See the License for the specific language governing permissions and

 * limitations under the License.

 */



#include "biginttoint64_fuzzer.h"

#include "ecmascript/napi/include/jsnapi.h"

#include "ecmascript/log_wrapper.h"

#include "ecmascript/base/string_helper.h"



using namespace panda;

using namespace panda::ecmascript;



namespace OHOS {

    void BigIntToInt64FuzzTest(const uint8_t* data, size_t size)

    {

        RuntimeOption option;

        option.SetLogLevel(common::LOG_LEVEL::ERROR);

        EcmaVM *vm = JSNApi::CreateJSVM(option);

        int64_t input = 0;

        size_t maxByteLen = 8;

        if (size <= 0) {

            return;

        }

        if (size > maxByteLen) {

            size = maxByteLen;

        }

        if (memcpy_s(&input, maxByteLen, data, size) != EOK) {

            std::cout << "memcpy_s failed!";

            UNREACHABLE();

        }

        Local<BigIntRef> bigint = BigIntRef::New(vm, input);



        int64_t cValue = 0;

        bool lossless = false;

        bigint->BigIntToInt64(vm, &cValue, &lossless);

        JSNApi::DestroyJSVM(vm);

    }

}



// Fuzzer entry point.

extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)

{

    // Run your code on data.

    OHOS::BigIntToInt64FuzzTest(data, size);

    return 0;

}