addColumn(null, 0, 0, 0);
rs.next();
assertEquals(1, rs.getInt(1));
assertEquals("1", rs.getString(1));
assertEquals("1", rs.getString("C1"));
assertFalse(rs.wasNull());
assertEquals("C1", rs.getMetaData().getColumnLabel(1));
assertEquals("C1", rs.getColumnName(1));
assertEquals(ResultSetMetaData.columnNullableUnknown, rs.getMetaData().isNullable(1));
assertFalse(rs.getMetaData().isAutoIncrement(1));
assertTrue(rs.getMetaData().isCaseSensitive(1));