{
  "context": "This criteria evaluates how well an engineer uses the atheris fuzzing library to initialize and configure a fuzzer, specifically focusing on proper use of the Setup() function and the Fuzz() function to create a functional fuzzing harness for JSON parsing.",
  "type": "weighted_checklist",
  "checklist": [
    {
      "name": "Setup() called",
      "description": "The code calls atheris.Setup() to initialize the fuzzer with sys.argv and the test callback function",
      "max_score": 25
    },
    {
      "name": "TestOneInput defined",
      "description": "A function named TestOneInput (or similar callback) is defined with the correct signature that accepts a bytes parameter (data: bytes)",
      "max_score": 20
    },
    {
      "name": "Setup() parameters correct",
      "description": "atheris.Setup() is called with the correct parameters: sys.argv and the test callback function reference",
      "max_score": 15
    },
    {
      "name": "Fuzz() called",
      "description": "The code calls atheris.Fuzz() to start the fuzzing loop after initialization",
      "max_score": 20
    },
    {
      "name": "Exception handling",
      "description": "The TestOneInput function properly catches and handles expected exceptions (json.JSONDecodeError, UnicodeDecodeError, etc.) to prevent premature fuzzer termination",
      "max_score": 15
    },
    {
      "name": "Command-line integration",
      "description": "The fuzzer properly integrates with command-line arguments by passing sys.argv to Setup(), allowing libFuzzer configuration options to be passed through",
      "max_score": 5
    }
  ]
}