Challenge: Spot the Bug
by
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Join For FreeSpeaking 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;
fileInfo.Create().Close();
}
else
{
_allocatedPages = file.Length / PageSize;
}
_fileStream = fileInfo.Open(FileMode.Open, FileAccess.ReadWrite, FileShare.Read);
}
Can you see the bug? How would you fix it?
Interview (journalism)
Published at DZone with permission of Oren Eini, DZone MVB. See the original article here.
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