Assert.assertNotNull(stmt.unwrap(oracle.jdbc.OraclePreparedStatement.class));
Assert.assertTrue(stmt.isWrapperFor(oracle.jdbc.OraclePreparedStatement.class));
Assert.assertTrue(stmt.isWrapperFor(DruidPooledPreparedStatement.class));
Assert.assertNotNull(stmt.unwrap(DruidPooledPreparedStatement.class));
Assert.assertTrue(stmt.isWrapperFor(java.sql.PreparedStatement.class));
Assert.assertNotNull(stmt.unwrap(java.sql.PreparedStatement.class));
ResultSet rs = stmt.executeQuery();