@Test
public void testAlterTableWithNewVarcharSizeForPlatformWithoutPlatformColumn() throws Exception {

    for (AbstractDdlBuilder ddlBuilder : ddlBuilders) {
        Table currentTable = new Table("Test", new Column("ID", true, Types.INTEGER, 50, 0),
                new Column("TXT", false, Types.VARCHAR, 50, 0));
        Table desiredTable = new Table("Test", new Column("ID", true, Types.INTEGER, 50, 0),
                new Column("TXT", false, Types.VARCHAR, 255, 0));
        String alterSql = ddlBuilder.alterTable(currentTable, desiredTable);
        assertTrue("Failed to generate an appropriate alter for the following platform: "
                + ddlBuilder.databaseName, alterSql.contains("255"));
    }
}