appserver/tests/appserv-tests/devtests/web/jspForwardUnbuffered/WebTest.java

/*
 * Copyright (c) 1997, 2018 Oracle and/or its affiliates. All rights reserved.
 *
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Public License v. 2.0, which is available at
 * http://www.eclipse.org/legal/epl-2.0.
 *
 * This Source Code may also be made available under the following Secondary
 * Licenses when the conditions for such availability set forth in the
 * Eclipse Public License v. 2.0 are satisfied: GNU General Public License,
 * version 2 with the GNU Classpath Exception, which is available at
 * https://www.gnu.org/software/classpath/license.html.
 *
 * SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0
 */

import java.io.*;
import java.net.*;
import com.sun.ejte.ccl.reporter.*;

/*
 * Unit test for Bugzilla 13499 ("WaSP throws an exception on an immediate pageContext.forward()").
 *
 * If page output is unbuffered, IllegalStateException is no longer
 * thrown on forward if and only if nothing has been written to the page. The
 * IllegalStateException will still be thrown on forward if there has been any
 * unbuffered output (see JSP.5.5)
 */
public class WebTest {

    private static SimpleReporterAdapter stat = new SimpleReporterAdapter("appserv-tests");
    private static final String TEST_NAME = "jsp-forward-unbuffered";

    private String host;
    private String port;
    private String contextRoot;

    public WebTest(String[] args) {
        host = args[0];
        port = args[1];
        contextRoot = args[2];
    }

    public static void main(String[] args) {
        stat.addDescription("Unit test for Bugzilla 13499");
        WebTest webTest = new WebTest(args);
        try {
            webTest.doTest1();
            webTest.doTest2();
            stat.addStatus(TEST_NAME, stat.PASS);
        } catch (Exception ex) {
            stat.addStatus(TEST_NAME, stat.FAIL);
            ex.printStackTrace();
        }
        stat.printSummary();
    }

    public void doTest1() throws Exception {

        URL url = new URL("http://" + host + ":" + port + contextRoot + "/from1.jsp");
        System.out.println("Connecting to: " + url.toString());
        HttpURLConnection conn = (HttpURLConnection) url.openConnection();
        conn.connect();
        int responseCode = conn.getResponseCode();
        if (responseCode != 200) {
            throw new Exception("Wrong response code. Expected: 200" + ", received: " + responseCode);
        }
    }

    /*
     * This test expects from2.jsp to throw an IllegalStateException due to the newline output as a result of its first
     * line.
     */
    public void doTest2() throws Exception {

        URL url = new URL("http://" + host + ":" + port + contextRoot + "/from2.jsp");
        System.out.println("Connecting to: " + url.toString());
        HttpURLConnection conn = (HttpURLConnection) url.openConnection();
        conn.connect();
        int responseCode = conn.getResponseCode();
        if (responseCode != 500) {
            throw new Exception("Wrong response code. Expected: 500" + ", received: " + responseCode);
        }
    }

}