File: DRDAProtocolTest.java

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/*
 
   Derby - Class org.apache.derbyTesting.functionTests.tests.derbynet.DRDAProtocolTest
 
   Licensed to the Apache Software Foundation (ASF) under one or more
   contributor license agreements.  See the NOTICE file distributed with
   this work for additional information regarding copyright ownership.
   The ASF licenses this file to You under the Apache License, Version 2.0
   (the "License"); you may not use this file except in compliance with
   the License.  You may obtain a copy of the License at
 
      http://www.apache.org/licenses/LICENSE-2.0
 
   Unless required by applicable law or agreed to in writing, software
   distributed under the License is distributed on an "AS IS" BASIS,
   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   See the License for the specific language governing permissions and
   limitations under the License.
 
 */

package org.apache.derbyTesting.functionTests.tests.derbynet;

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

import junit.framework.Test;

import org.apache.derbyTesting.junit.BaseJDBCTestCase;
import org.apache.derbyTesting.junit.JDBC;
import org.apache.derbyTesting.junit.TestConfiguration;

/**
 * Tests of the properties of the DRDA network protocol implementation.
 */
public class DRDAProtocolTest extends BaseJDBCTestCase {
    
    private String threadName;

    public void setUp() {
        /* Save the thread name as it gets changed in one of the fixtures */
        threadName = Thread.currentThread().getName();
    }

    public void tearDown() throws Exception {
        /* Restore the original thread name */

        super.tearDown();

        Thread.currentThread().setName(threadName);
    }

    /**
     * Tests the support for threads with characters not supported by EBCDIC
     *
     * @throws SQLException
     */
    public void testNonEBCDICCharacters() throws SQLException {
        Thread.currentThread().setName("\u4e10");

        /* Open a connection while the thread name has Japanese characters */
        Connection conn2 = openConnection("FIRSTDB1");
        conn2.close();
    }

    /** 
     * Tests whether multiple connections to different databases
     * on the same Derby instance are working without exceptions.
     * 
     * @throws SQLException if database interaction fails
     */
    public void testMultipleConnections() throws SQLException {
        Connection conn1 = openConnection("FIRSTDB1");
        conn1.setAutoCommit(false);

        Statement st = conn1.createStatement();
        st.execute("create table FIRSTDB_T1 (i int, j int, k int)");
        st.execute("insert into FIRSTDB_T1 values (1, 3, 5)");
        PreparedStatement pSt1 =
                conn1.prepareStatement("select * from FIRSTDB_T1");
        
        ResultSet rs1 = pSt1.executeQuery();
        rs1.next();
        rs1.close();
        pSt1.close();
        st.close();
        
        Connection conn2 = openConnection("SECONDDB2");
        conn2.setAutoCommit(false);
        Statement st2 = conn2.createStatement();
        st2.execute("create table SECONDDB_T1 (i int, j int, k int)");
        st2.execute("insert into SECONDDB_T1 values (2, 4, 6)");
        PreparedStatement pSt2 =
                conn2.prepareStatement("select * from SECONDDB_T1");
        
        rs1 = pSt2.executeQuery();
        rs1.next();
        rs1.close();
        pSt2.close();
        st2.close();
        
        JDBC.cleanup(conn1);
        JDBC.cleanup(conn2);
    }
    
    /* ------------------- end helper methods  -------------------------- */
    public DRDAProtocolTest(String name) {
        super(name);
    }
    
    public static Test suite() {
        Test test;
        test = TestConfiguration.clientServerSuite(DRDAProtocolTest.class);
        test = TestConfiguration.additionalDatabaseDecorator(test, "FIRSTDB1");
        test = TestConfiguration.additionalDatabaseDecorator(test, "SECONDDB2");
        return test;
    }
}