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HSQLDB example source code file (TestBug778213.java)

This example HSQLDB source code file (TestBug778213.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Java - HSQLDB tags/keywords

connection, ddl, ddl, exception, exception, jdbc, preparedstatement, resultsetmetadata, sql, sqlexception, testbase, testbug778213, testbug778213, testcase, testresult, testresult

The HSQLDB TestBug778213.java source code

/* Copyright (c) 2001-2008, The HSQL Development Group
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * Redistributions of source code must retain the above copyright notice, this
 * list of conditions and the following disclaimer.
 *
 * Redistributions in binary form must reproduce the above copyright notice,
 * this list of conditions and the following disclaimer in the documentation
 * and/or other materials provided with the distribution.
 *
 * Neither the name of the HSQL Development Group nor the names of its
 * contributors may be used to endorse or promote products derived from this
 * software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL HSQL DEVELOPMENT GROUP, HSQLDB.ORG,
 * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */


package org.hsqldb.test;

import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.SQLException;

import junit.framework.TestCase;
import junit.framework.TestResult;

/**
 * HSQLDB TestBug778213 Junit test case. <p>
 *
 * Test to ensure that DDL can be executed through the
 * HSQLDB PreparedStatement interface implementation and
 * that the behaviour of the prepared statement object is
 * nominally correct under "prepared" DDL.
 *
 * @author  boucherb@users
 * @version 1.7.2
 * @since 1.7.2
 */
public class TestBug778213 extends TestBase {

    public TestBug778213(String name) {
        super(name);
    }

    /* Implements the TestBug778213_Part3 test */
    public void test() throws Exception {

        Connection        conn = newConnection();
        PreparedStatement pstmt;
        int               updateCount;

        try {
            pstmt = conn.prepareStatement("drop table test if exists");

            pstmt.executeUpdate();

            pstmt       = conn.prepareStatement("create table test(id int)");
            updateCount = pstmt.executeUpdate();

            assertTrue("expected update count of zero", updateCount == 0);

            pstmt       = conn.prepareStatement("drop table test");
            updateCount = pstmt.executeUpdate();

            assertTrue("expected update count of zero", updateCount == 0);
        } catch (Exception e) {
            assertTrue("unable to prepare or execute DDL", false);
        } finally {
            conn.close();
        }

        conn = newConnection();

        try {
            pstmt = conn.prepareStatement("create table test(id int)");

            assertTrue("got data expecting update count", !pstmt.execute());
        } catch (Exception e) {
            assertTrue("unable to prepare or execute DDL", false);
        } finally {
            conn.close();
        }

        conn = newConnection();

        boolean exception = true;

        try {
            pstmt = conn.prepareStatement("drop table test");

            pstmt.executeQuery();
        } catch (SQLException e) {
            exception = false;
        } finally {
            conn.close();
        }

        if (exception) {
            assertTrue("no exception thrown for executeQuery(DDL)", false);
        }

        conn = newConnection();

        try {
            pstmt = conn.prepareStatement("call identity()");

            pstmt.execute();
        } catch (Exception e) {
            assertTrue("unable to prepare or execute call", false);
        } finally {
            conn.close();
        }

        exception = false;
        conn      = newConnection();

        try {
            pstmt = conn.prepareStatement("create table test(id int)");

            pstmt.addBatch();
        } catch (SQLException e) {
            exception = true;
        } finally {
            conn.close();
        }

        if (exception) {
            assertTrue("not expected exception batching prepared DDL", false);
        }

        conn = newConnection();

        try {
            pstmt = conn.prepareStatement("create table test(id int)");

            assertTrue("expected null ResultSetMetadata for prepared DDL",
                       null == pstmt.getMetaData());
        } finally {
            conn.close();
        }

        conn = newConnection();

//#ifdef JAVA4
        try {
            pstmt = conn.prepareStatement("create table test(id int)");

            assertTrue("expected zero parameter for prepared DDL",
                       0 == pstmt.getParameterMetaData().getParameterCount());

        } finally {
            conn.close();
        }

//#endif JAVA4
    }

    /* Runs TestBug778213_Part3 test from the command line*/
    public static void main(String[] args) throws Exception {

        TestResult            result;
        TestCase              test;
        java.util.Enumeration failures;
        int                   count;

        result = new TestResult();
        test   = new TestBug778213("test");

        test.run(result);

        count = result.failureCount();

        System.out.println("TestBug778213 failure count: " + count);

        failures = result.failures();

        while (failures.hasMoreElements()) {
            System.out.println(failures.nextElement());
        }
    }
}

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