xref: /arkcompiler/ets_runtime/test/fuzztest/functionrefinherit_fuzzer/functionrefinherit_fuzzer.cpp

/*
 * Copyright (c) 2023-2024 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 "functionrefinherit_fuzzer.h"
#include "ecmascript/base/utf_helper.h"
#include "ecmascript/ecma_string-inl.h"
#include "ecmascript/global_env.h"
#include "ecmascript/js_function.h"
#include "ecmascript/napi/include/jsnapi.h"
#include "ecmascript/napi/jsnapi_helper.h"

using namespace panda;
using namespace panda::ecmascript;
using namespace panda::ecmascript::base::utf_helper;

namespace OHOS {
void FunctionRefInheritFuzzTest([[maybe_unused]]const uint8_t *data, size_t size)
{
    RuntimeOption option;
    option.SetLogLevel(RuntimeOption::LOG_LEVEL::ERROR);
    EcmaVM *vm = JSNApi::CreateJSVM(option);
    {
        JsiFastNativeScope scope(vm);
        if (size <= 0) {
            return;
        }
        JSThread *thread = vm->GetJSThread();
        JSHandle<GlobalEnv> env = thread->GetEcmaVM()->GetGlobalEnv();
        JSHandle<JSTaggedValue> set = env->GetBuiltinsSetFunction();
        Local<FunctionRef> setLocal = JSNApiHelper::ToLocal<FunctionRef>(set);
        JSHandle<JSTaggedValue> map = env->GetBuiltinsMapFunction();
        Local<FunctionRef> mapLocal = JSNApiHelper::ToLocal<FunctionRef>(map);
        JSHandle<JSTaggedValue> setPrototype(thread, JSHandle<JSFunction>::Cast(set)->GetFunctionPrototype());
        JSHandle<JSTaggedValue> mapPrototype(thread, JSHandle<JSFunction>::Cast(map)->GetFunctionPrototype());
        JSHandle<JSTaggedValue> mapPrototypeProto(thread, JSTaggedValue::GetPrototype(thread, mapPrototype));
        JSTaggedValue::SameValue(setPrototype, mapPrototypeProto);
        mapLocal->Inherit(vm, setLocal);
    }
    JSNApi::DestroyJSVM(vm);
    return;
}
}

// Fuzzer entry point.
extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
{
    // Run your code on data.
    OHOS::FunctionRefInheritFuzzTest(data, size);
    return 0;
}