| // Copyright 2015 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "base/json/json_reader.h" |
| #include "base/json/json_writer.h" |
| #include "base/values.h" |
| |
| namespace base { |
| |
| // Entry point for LibFuzzer. |
| extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) { |
| if (size < 2) |
| return 0; |
| |
| // Create a copy of input buffer, as otherwise we don't catch |
| // overflow that touches the last byte (which is used in options). |
| std::unique_ptr<char[]> input(new char[size - 1]); |
| memcpy(input.get(), data, size - 1); |
| |
| StringPiece input_string(input.get(), size - 1); |
| |
| const int options = data[size - 1]; |
| |
| JSONReader::ValueWithError json_val = |
| JSONReader::ReadAndReturnValueWithError(input_string, options); |
| |
| if (json_val.value) { |
| // Check that the value can be serialized and deserialized back to an |
| // equivalent |Value|. |
| const Value& value = json_val.value.value(); |
| std::string serialized; |
| CHECK(JSONWriter::Write(value, &serialized)); |
| |
| Optional<Value> deserialized = JSONReader::Read(StringPiece(serialized)); |
| CHECK(deserialized); |
| CHECK(value.Equals(&deserialized.value())); |
| } |
| |
| return 0; |
| } |
| |
| } // namespace base |