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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 "dynamicfontprovider_fuzzer.h"
17 
18 #include "get_object.h"
19 #include "texgine/dynamic_font_provider.h"
20 
21 namespace OHOS {
22 namespace Rosen {
23 namespace TextEngine {
DynamicFontProviderLoadFontFuzzTest(const uint8_t * data,size_t size)24 void DynamicFontProviderLoadFontFuzzTest(const uint8_t* data, size_t size)
25 {
26     if (data == nullptr) {
27         return;
28     }
29 
30     // initialize
31     g_data = data;
32     g_size = size;
33     g_pos = 0;
34 
35     std::shared_ptr<DynamicFontProvider> dynamicFontProvider = DynamicFontProvider::Create();
36     if (dynamicFontProvider == nullptr) {
37         return;
38     }
39     std::string familyName = GetStringFromData();
40     dynamicFontProvider->LoadFont(familyName, data, size);
41     return;
42 }
43 
DynamicFontProviderMatchFamilyFuzzTest(const uint8_t * data,size_t size)44 void DynamicFontProviderMatchFamilyFuzzTest(const uint8_t* data, size_t size)
45 {
46     if (data == nullptr) {
47         return;
48     }
49 
50     // initialize
51     g_data = data;
52     g_size = size;
53     g_pos = 0;
54 
55     std::shared_ptr<DynamicFontProvider> dynamicFontProvider = DynamicFontProvider::Create();
56     if (dynamicFontProvider == nullptr) {
57         return;
58     }
59     std::string familyName = GetStringFromData();
60     dynamicFontProvider->MatchFamily(familyName);
61     return;
62 }
63 } // namespace TextEngine
64 } // namespace Rosen
65 } // namespace OHOS
66 
67 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)68 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
69 {
70     /* Run your code on data */
71     OHOS::Rosen::TextEngine::DynamicFontProviderLoadFontFuzzTest(data, size);
72     OHOS::Rosen::TextEngine::DynamicFontProviderMatchFamilyFuzzTest(data, size);
73     return 0;
74 }