xref: /aosp_15_r20/external/grpc-grpc/test/core/json/fuzzer.cc (revision cc02d7e222339f7a4f6ba5f422e6413f4bd931f2)
1 //
2 //
3 // Copyright 2015 gRPC authors.
4 //
5 // Licensed under the Apache License, Version 2.0 (the "License");
6 // you may not use this file except in compliance with the License.
7 // You may obtain a copy of the License at
8 //
9 //     http://www.apache.org/licenses/LICENSE-2.0
10 //
11 // Unless required by applicable law or agreed to in writing, software
12 // distributed under the License is distributed on an "AS IS" BASIS,
13 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 // See the License for the specific language governing permissions and
15 // limitations under the License.
16 //
17 //
18 
19 #include <stdint.h>
20 #include <string.h>
21 
22 #include "absl/status/statusor.h"
23 #include "absl/strings/string_view.h"
24 
25 #include <grpc/support/json.h>
26 #include <grpc/support/log.h>
27 
28 #include "src/core/lib/json/json_reader.h"
29 #include "src/core/lib/json/json_writer.h"
30 
31 bool squelch = true;
32 bool leak_check = true;
33 
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)34 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
35   auto json = grpc_core::JsonParse(
36       absl::string_view(reinterpret_cast<const char*>(data), size));
37   if (json.ok()) {
38     auto text2 = grpc_core::JsonDump(*json);
39     auto json2 = grpc_core::JsonParse(text2);
40     GPR_ASSERT(json2.ok());
41     GPR_ASSERT(*json == *json2);
42   }
43   return 0;
44 }
45