@Test
public void columnCount() {

    final String[][] rows = new String[4][];
    rows[0] = new String[]{""};
    rows[1] = new String[]{"", "", "", "", ""};
    rows[2] = new String[]{"", "", "", ""};
    rows[3] = new String[]{"", "", ""};
    final Data table = new Data(rows, false);
    assertEquals(5, table.getColumns().size());
}