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// Copyright 2019 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include <stddef.h>
#include <stdint.h>
#include <string_view>
#include <tuple>
#include "base/check.h"
#include "content/browser/indexed_db/indexed_db_leveldb_coding.h"
#include "third_party/blink/public/common/indexeddb/indexeddb_key_path.h"
extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
std::string_view parsed_input(reinterpret_cast<const char*>(data), size);
std::string_view input(parsed_input);
blink::IndexedDBKeyPath indexed_db_key_path;
if (content::indexed_db::DecodeIDBKeyPath(&parsed_input,
&indexed_db_key_path)) {
// Ensure that encoding |indexed_db_key_path| produces the same result.
std::string result;
content::indexed_db::EncodeIDBKeyPath(indexed_db_key_path, &result);
input.remove_suffix(parsed_input.size());
// There is an old style of encoding where the type is not encoded, and the
// keypath is just a string. In this case, when we re-encode, the output
// *will* encode the type, and this format takes 6 extra bytes.
if (input.size() >= 3 && input[0] != 0 && input[1] != 0) {
CHECK_EQ(indexed_db_key_path.type(),
blink::mojom::IDBKeyPathType::String);
CHECK_EQ(result.size(), input.size() + 6);
std::string_view reencoded(result);
blink::IndexedDBKeyPath redecoded;
CHECK(content::indexed_db::DecodeIDBKeyPath(&reencoded, &redecoded));
CHECK_EQ(redecoded.string(), indexed_db_key_path.string());
return 0;
}
CHECK_EQ(std::string_view(result), input);
}
return 0;
}
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