CDF dim1dim2 noteGTests various cases of value masking (using _FillValue / missing_value)  var1_fillval0  _FillValuenote:Ensures that values close to the _FillValue are not masked ,var2_noFillval noteYEnsures that variables without a _FillValue or missing_value attribute are read correctly 8var3_fillvalAndMissingValue  _FillValue missing_valuenoteaIf a variable has both _FillValue and missing_value attributes, _FillValue should take precedence Dvar4_missingValue  missing_valuenoteIIf a variable has missing_value but no _FillValue, then use missing_value Pvar5_fillvalNaN  _FillValueønote/Ensures that we can process a _FillValue of NaN\ var6_char  _FillValuebnote