JSONParserFuzzer.java

// Copyright 2022 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
////////////////////////////////////////////////////////////////////////////////

importcom.code_intelligence.jazzer.api.FuzzedDataProvider;

importjava.util.List;
importjava.util.Map;
importjava.io.ByteArrayInputStream;
importjava.io.IOException;
importjava.io.InputStream;

importorg.apache.felix.utils.json.JSONParser;

publicclassJSONParserFuzzer {
publicstaticvoidfuzzerTestOneInput(FuzzedDataProviderdata) {

booleanswitchConstructor = data.consumeBoolean();
intswitchEncoding = data.consumeInt(0,2);
Stringstring = data.consumeRemainingAsString();

try {
JSONParserjSONParser;
if (switchConstructor){
CharSequencecharSeq = string;
jSONParser = newJSONParser(charSeq);
 } else {
Stringencoding = "UTF_8";
switch (switchEncoding) {
case0:
break;
case1:
encoding = "UTF_16";
break;
case2:
encoding = "UTF_32";
break;
 }

InputStreaminputStream = newByteArrayInputStream(string.getBytes(encoding));
jSONParser = newJSONParser(inputStream);
 }

List<Object> res = jSONParser.getParsedList();
Map<String, Object> parsed = jSONParser.getParsed();
 }
catch(IllegalArgumentException | IOExceptione){

 }
 }

}