AddColumnConfig column2 = new AddColumnConfig();
column2.setName("column2");
column2.setType("INT");
change.addColumn(column2);
SqlStatement[] statements = change.generateStatements(new MockDatabase());
Assert.assertEquals(1, statements.length);
Assert.assertTrue(statements[0] instanceof AddColumnStatement);
AddColumnStatement stmt = (AddColumnStatement)statements[0];
Assert.assertTrue(stmt.isMultiple());
Assert.assertEquals(2, stmt.getColumns().size());