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 "containerslightweightmapclear_fuzzer.h"
17
18#include "ecmascript/containers/containers_lightweightmap.h"
19#include "ecmascript/containers/containers_private.h"
20#include "ecmascript/ecma_string-inl.h"
21#include "ecmascript/ecma_vm.h"
22#include "ecmascript/global_env.h"
23#include "ecmascript/js_handle.h"
24#include "ecmascript/napi/include/jsnapi.h"
25
26using namespace panda;
27using namespace panda::test;
28using namespace panda::ecmascript;
29using namespace panda::ecmascript::containers;
30
31namespace OHOS {
32
33    JSFunction *JSObjectCreate(JSThread *thread)
34    {
35        EcmaVM *ecmaVM = thread->GetEcmaVM();
36        JSHandle<GlobalEnv> globalEnv = ecmaVM->GetGlobalEnv();
37        return globalEnv->GetObjectFunction().GetObject<JSFunction>();
38    }
39
40    EcmaRuntimeCallInfo *CreateEcmaRuntimeCallInfo(JSThread *thread, uint32_t numArgs)
41    {
42        auto factory = thread->GetEcmaVM()->GetFactory();
43        JSHandle<JSTaggedValue> hclass(thread, JSObjectCreate(thread));
44        JSHandle<JSTaggedValue> callee(factory->NewJSObjectByConstructor(JSHandle<JSFunction>::Cast(hclass), hclass));
45        JSHandle<JSTaggedValue> undefined = thread->GlobalConstants()->GetHandledUndefined();
46        EcmaRuntimeCallInfo *objCallInfo =
47            EcmaInterpreter::NewRuntimeCallInfo(thread, undefined, callee, undefined, numArgs);
48        return objCallInfo;
49    }
50
51    JSTaggedValue InitializeLightWeightMapConstructor(JSThread *thread)
52    {
53        auto factory = thread->GetEcmaVM()->GetFactory();
54        JSHandle<GlobalEnv> env = thread->GetEcmaVM()->GetGlobalEnv();
55        JSHandle<JSTaggedValue> globalObject = env->GetJSGlobalObject();
56        JSHandle<JSTaggedValue> key(factory->NewFromASCII("ArkPrivate"));
57        JSHandle<JSTaggedValue> value =
58            JSObject::GetProperty(thread, JSHandle<JSTaggedValue>(globalObject), key).GetValue();
59
60        auto objCallInfo = CreateEcmaRuntimeCallInfo(thread, 6); // 6 : means the argv length
61        objCallInfo->SetFunction(JSTaggedValue::Undefined());
62        objCallInfo->SetThis(value.GetTaggedValue());
63        objCallInfo->SetCallArg(0, JSTaggedValue(static_cast<int>(ContainerTag::LightWeightMap)));
64        JSTaggedValue result = ContainersPrivate::Load(objCallInfo);
65
66        return result;
67    }
68
69    JSHandle<JSAPILightWeightMap> CreateJSAPILightWeightMap(JSThread *thread)
70    {
71        JSHandle<JSFunction> newTarget(thread, InitializeLightWeightMapConstructor(thread));
72        auto objCallInfo = CreateEcmaRuntimeCallInfo(thread, 4);
73        objCallInfo->SetFunction(newTarget.GetTaggedValue());
74        objCallInfo->SetNewTarget(newTarget.GetTaggedValue());
75        objCallInfo->SetThis(JSTaggedValue::Undefined());
76
77        JSTaggedValue result = ContainersLightWeightMap::LightWeightMapConstructor(objCallInfo);
78        JSHandle<JSAPILightWeightMap> map(thread, result);
79        return map;
80    }
81
82    void ContainersLightWeightMapClearFuzzTest(const uint8_t* data, size_t size)
83    {
84        RuntimeOption option;
85        option.SetLogLevel(RuntimeOption::LOG_LEVEL::ERROR);
86        EcmaVM *vm = JSNApi::CreateJSVM(option);
87        {
88            JsiFastNativeScope scope(vm);
89            auto thread = vm->GetAssociatedJSThread();
90
91            if (size <= 0) {
92                return;
93            }
94            double input = 0;
95            const double maxByteLen = 4;
96            if (size > maxByteLen) {
97                size = maxByteLen;
98            }
99            if (memcpy_s(&input, maxByteLen, data, size) != 0) {
100                std::cout << "memcpy_s failed!";
101                UNREACHABLE();
102            }
103            JSHandle<JSAPILightWeightMap> lightWeightMap = CreateJSAPILightWeightMap(thread);
104
105            EcmaRuntimeCallInfo *callInfo1 = CreateEcmaRuntimeCallInfo(thread, 8);
106            callInfo1->SetFunction(JSTaggedValue::Undefined());
107            callInfo1->SetThis(lightWeightMap.GetTaggedValue());
108            callInfo1->SetCallArg(0, JSTaggedValue(input));
109            callInfo1->SetCallArg(1, JSTaggedValue(input));
110            ContainersLightWeightMap::Set(callInfo1);
111
112            EcmaRuntimeCallInfo *callInfo2 = CreateEcmaRuntimeCallInfo(thread, 4);
113            callInfo2->SetFunction(JSTaggedValue::Undefined());
114            callInfo2->SetThis(lightWeightMap.GetTaggedValue());
115            ContainersLightWeightMap::Clear(callInfo2);
116        }
117        JSNApi::DestroyJSVM(vm);
118    }
119}
120
121// Fuzzer entry point.
122extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
123{
124    // Run your code on data.
125    OHOS::ContainersLightWeightMapClearFuzzTest(data, size);
126    return 0;
127}