Throw IO error if the number of read bytes does not match count

and the stream is in failed state

include/storage/io.hpp

@@ -73,8 +73,9 @@ class FileReader
             return;
 
         const auto &result = input_stream.read(reinterpret_cast<char *>(dest), count * sizeof(T));
+        const std::size_t bytes_read = input_stream.gcount();
 
-        if (!result)
+        if (bytes_read != count && !result)
         {
             if (result.eof())
             {