codebridge-ai/testlog/starcoder2-3b/cpp/memory-safety-1754145297734.json

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{
  "timestamp": "2025-08-02T14:34:57.733Z",
  "model": "starcoder2:3b",
  "language": "cpp",
  "scenario": "memory-safety",
  "task": "Add destructor, copy constructor, and move semantics",
  "originalCode": "class Buffer {\n    char* data;\n    int size;\npublic:\n    Buffer(int s) {\n        data = new char[s];\n        size = s;\n    }\n};",
  "rawResponse": "\n\n## Solution\n\n```cpp\nclass Buffer {\n    char* data;\n    int size;\npublic:\n    Buffer(int s) : data{new char[s]}, size{s} {}\n\n    ~Buffer() {\n        delete[] data;\n    }\n\n    // Copy constructor\n    Buffer(const Buffer& other) = default;\n\n    // Move constructor\n    Buffer(Buffer&& other) noexcept \n        : data{other.data}, \n          size{other.size} \n    {\n        other.data = nullptr;\n        other.size = 0;\n    }\n};\n```\n",
  "improvedCode": "class Buffer {\n    char* data;\n    int size;\npublic:\n    Buffer(int s) : data{new char[s]}, size{s} {}\n\n    ~Buffer() {\n        delete[] data;\n    }\n\n    // Copy constructor\n    Buffer(const Buffer& other) = default;\n\n    // Move constructor\n    Buffer(Buffer&& other) noexcept \n        : data{other.data}, \n          size{other.size} \n    {\n        other.data = nullptr;\n        other.size = 0;\n    }\n};",
  "duration": 1432,
  "success": false,
  "qualityMetrics": {
    "hasCode": true,
    "hasDestructor": true,
    "score": 0.3846153846153846,
    "rawScore": 0.5,
    "maxScore": 1.3
  },
  "error": null
}