Assert.assertEquals(1, dataSource.getPoolingCount());
Assert.assertEquals(1, dataSource.getCreateCount());
}
DruidPooledConnection conn = dataSource.getConnection();
MockConnection mockConn = conn.unwrap(MockConnection.class);
Assert.assertNotNull(mockConn);
SQLException exception = new SQLException("xx", "xxx", 28);
mockConn.setError(exception);
Exception setError = null;
try {
conn.setSavepoint("xxx");
} catch (Exception ex) {