Package testsuite.regression

Source Code of testsuite.regression.CachedRowsetTest

/*
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All rights reserved. Use is subject to license terms.

  The MySQL Connector/J is licensed under the terms of the GPL,
  like most MySQL Connectors. There are special exceptions to the
  terms and conditions of the GPL as it is applied to this software,
  see the FLOSS License Exception available on mysql.com.

  This program is free software; you can redistribute it and/or
  modify it under the terms of the GNU General Public License as
  published by the Free Software Foundation; version 2 of the
  License.

  This program is distributed in the hope that it will be useful, 
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  GNU General Public License for more details.

  You should have received a copy of the GNU General Public License
  along with this program; if not, write to the Free Software
  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
  02110-1301 USA



*/
package testsuite.regression;

import java.lang.reflect.Method;
import java.sql.ResultSet;

import javax.sql.RowSet;

import testsuite.BaseTestCase;

/**
* Regression test cases for the ResultSet class.
*
* @author Eric Herman
*/
public class CachedRowsetTest extends BaseTestCase {
  /**
   * Creates a new CachedRowsetTest
   *
   * @param name
   *            the name of the test to run
   */
  public CachedRowsetTest(String name) {
    super(name);
  }

  /**
   * Runs all test cases in this test suite
   *
   * @param args
   */
  public static void main(String[] args) {
    junit.textui.TestRunner.run(CachedRowsetTest.class);
  }

  /**
   * Tests fix for BUG#5188, CachedRowSet errors using PreparedStatement. Uses
   * Sun's "com.sun.rowset.CachedRowSetImpl"
   *
   * @throws Exception
   */
  public void testBug5188() throws Exception {
    String implClass = "com.sun.rowset.CachedRowSetImpl";
    Class c;
    Method populate;
    try {
      c = Class.forName(implClass);
    } catch (ClassNotFoundException e) {
      System.out.println("skipping testBug5188. Requires: " + implClass);
      return;
    }
    populate = c.getMethod("populate", new Class[] { ResultSet.class });

    try {
      this.stmt.executeUpdate("DROP TABLE IF EXISTS testBug5188");
      this.stmt.executeUpdate("CREATE TABLE testBug5188 "
          + "(ID int NOT NULL AUTO_INCREMENT, "
          + "datafield VARCHAR(64), " + "PRIMARY KEY(ID))");

      this.stmt.executeUpdate("INSERT INTO testBug5188(datafield) "
          + "values('test data stuff !')");

      String sql = "SELECT * FROM testBug5188 where ID = ?";
      this.pstmt = this.conn.prepareStatement(sql);
      this.pstmt.setString(1, "1");
      this.rs = this.pstmt.executeQuery();

      // create a CachedRowSet and populate it
      RowSet cachedRowSet = (RowSet) c.newInstance();
      // cachedRowSet.populate(rs);
      populate.invoke(cachedRowSet, new Object[] { this.rs });

      // scroll through CachedRowSet ...
      assertTrue(cachedRowSet.next());
      assertEquals("1", cachedRowSet.getString("ID"));
      assertEquals("test data stuff !", cachedRowSet
          .getString("datafield"));
      assertFalse(cachedRowSet.next());
    } finally {
      this.stmt.executeUpdate("DROP TABLE IF EXISTS testBug5188");
    }
  }
}
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