39 lines
		
	
	
		
			1.4 KiB
		
	
	
	
		
			Java
		
	
	
	
			
		
		
	
	
			39 lines
		
	
	
		
			1.4 KiB
		
	
	
	
		
			Java
		
	
	
	
| // Copyright 2021 Google LLC
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| //
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| // Licensed under the Apache License, Version 2.0 (the "License");
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| // you may not use this file except in compliance with the License.
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| // You may obtain a copy of the License at
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| //
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| //      http://www.apache.org/licenses/LICENSE-2.0
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| //
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| // Unless required by applicable law or agreed to in writing, software
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| // distributed under the License is distributed on an "AS IS" BASIS,
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| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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| // See the License for the specific language governing permissions and
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| // limitations under the License.
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| //
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| ////////////////////////////////////////////////////////////////////////////////
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| 
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| import com.code_intelligence.jazzer.api.FuzzedDataProvider;
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| 
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| import com.google.json.JsonSanitizer;
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| 
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| public class IdempotenceFuzzer {
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|   public static void fuzzerTestOneInput(FuzzedDataProvider data) {
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|     String input = data.consumeRemainingAsString();
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|     String output;
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|     try {
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|       output = JsonSanitizer.sanitize(input, 10);
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|     } catch (ArrayIndexOutOfBoundsException e) {
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|       // ArrayIndexOutOfBoundsException is expected if nesting depth is
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|       // exceeded.
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|       return;
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|     }
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| 
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|     // Ensure that sanitizing twice does not give different output
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|     // (idempotence). Since failure to be idempotent is not a security issue in
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|     // itself, fail with a regular AssertionError.
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|     assert JsonSanitizer.sanitize(output).equals(output) : "Not idempotent";
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|   }
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| }
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