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 <cstddef>
17 #include <cstdint>
18 #include "number_format.h"
19 #include "numberformat_fuzzer.h"
20
21 namespace OHOS {
22 const size_t FIRST_PARAM_OFFSET_SIZE = 8;
23
DoSomethingInterestingWithMyAPI(const uint8_t * data,size_t size)24 bool DoSomethingInterestingWithMyAPI(const uint8_t* data, size_t size)
25 {
26 using namespace Global::I18n;
27 if (size < 1) {
28 return false;
29 }
30 uint32_t offset = 0;
31 std::string input(reinterpret_cast<const char*>(data), size);
32 std::vector<std::string> localeTags(1, input);
33 std::map<std::string, std::string> options;
34 options[input] = input;
35 NumberFormat formatter(localeTags, options);
36 if (size >= FIRST_PARAM_OFFSET_SIZE) {
37 double number = *(reinterpret_cast<const double*>(data + offset));
38 formatter.Format(number);
39 }
40 formatter.GetResolvedOptions(options);
41 formatter.GetCurrency();
42 formatter.GetCurrencySign();
43 formatter.GetStyle();
44 formatter.GetNumberingSystem();
45 formatter.GetUseGrouping();
46 formatter.GetMinimumIntegerDigits();
47 formatter.GetMinimumFractionDigits();
48 formatter.GetMaximumFractionDigits();
49 formatter.GetMinimumSignificantDigits();
50 formatter.GetMaximumSignificantDigits();
51 formatter.GetLocaleMatcher();
52 return true;
53 }
54 }
55
56 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)57 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
58 {
59 /* Run your code on data */
60 OHOS::DoSomethingInterestingWithMyAPI(data, size);
61 return 0;
62 }
63
64