oss-fuzz/projects/json-sanitizer/IdempotenceFuzzer.java

42 lines
1.4 KiB
Java

// Copyright 2021 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.
//
////////////////////////////////////////////////////////////////////////////////
import com.code_intelligence.jazzer.api.FuzzedDataProvider;
import com.google.json.JsonSanitizer;
public class IdempotenceFuzzer {
public static boolean fuzzerTestOneInput(FuzzedDataProvider data) {
String input = data.consumeRemainingAsString();
String output1;
try {
output1 = JsonSanitizer.sanitize(input, 10);
} catch (ArrayIndexOutOfBoundsException e) {
// ArrayIndexOutOfBoundsException is expected if nesting depth is
// exceeded.
return false;
}
String output2 = JsonSanitizer.sanitize(output1, 10);
if (!output1.equals(output2)) {
System.err.println("input : " + input);
System.err.println("output1: " + output1);
System.err.println("output2: " + output2);
return true;
}
return false;
}
}