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Challenge: Spot the Bug

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Challenge: Spot the Bug

· Agile Zone ·
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Speaking of unfair interview questions, this would be a pretty evil one.

public MemoryMapPager(string file, FlushMode flushMode = FlushMode.Full)
     _flushMode = flushMode;
     var fileInfo = new FileInfo(file);
     if (fileInfo.Exists == false || file.Length == 0)
          _allocatedPages = 0;
          _allocatedPages = file.Length / PageSize;
     _fileStream = fileInfo.Open(FileMode.Open, FileAccess.ReadWrite, FileShare.Read);

Can you see the bug? How would you fix it?

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