it 'casts to float' do
          column = DBF::Column.new table, 'ColumnName', 'B', 1, 2
          expect(column.type_cast("\xEC\x51\xB8\x1E\x85\x6B\x31\x40")).to be_a(Float)
          expect(column.type_cast("\xEC\x51\xB8\x1E\x85\x6B\x31\x40")).to eq 17.42