public void test_userDefinedErrorCodes() throws Exception {
dataSource.init();
dataSource.setConnectionProperties("druid.oracle.fatalErrorCodes=1,2,3,a,");
OracleExceptionSorter sorter = (OracleExceptionSorter) dataSource.getExceptionSorter();
Assert.assertEquals(3, sorter.getFatalErrorCodes().size());
Assert.assertTrue(sorter.getFatalErrorCodes().contains(1));
Assert.assertTrue(sorter.getFatalErrorCodes().contains(2));
Assert.assertTrue(sorter.getFatalErrorCodes().contains(3));
Assert.assertTrue(sorter.isExceptionFatal(new SQLException("xx", "xx", 1)));
Assert.assertTrue(sorter.isExceptionFatal(new SQLException("xx", "xx", 2)));
Assert.assertTrue(sorter.isExceptionFatal(new SQLException("xx", "xx", 3)));
Assert.assertFalse(sorter.isExceptionFatal(new SQLException("xx", "xx", 4)));
Assert.assertTrue(sorter.isExceptionFatal(new SQLException("xx", "xx", 28)));
}