test/hotspot/jtreg/vmTestbase/nsk/jdi/ClassUnloadRequest/addClassExclusionFilter/exclfilter001a.java

/*
 * Copyright (c) 2002, 2018, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.
 *
 * This code 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
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 */


package nsk.jdi.ClassUnloadRequest.addClassExclusionFilter;

import java.io.*;

import nsk.share.*;
import nsk.share.jpda.*;
import nsk.share.jdi.*;

/**
 *  <code>exclfilter001a</code> is deugee's part of the test.
 *  It contains the descriptions classes, which are used by debugger's part of the test.
 */
public class exclfilter001a {

    static public String[] testedClasses = {
            "Superexclfilter001b",
            "Subexclfilter0011",
            "Subexclfilter0021",
            "Subexclfilter0031",
            "Superexclfilter002b",
            "Subexclfilter0012",
            "Subexclfilter0022",
            "Subexclfilter0032"
    };

    static public Log log = null;
    static public IOPipe pipe = null;

    public static void main (String argv[]) {

        ArgumentHandler argHandler = new ArgumentHandler(argv);
        log = new Log(System.err, argHandler);
        pipe = argHandler.createDebugeeIOPipe(log);

        pipe.println(exclfilter001.SGNL_READY);

        // define directory to class files
        String classDir = (argHandler.getArguments())[0] + File.separator + "loadclass";

        ClassUnloader unloader = null;
        String instr = pipe.readln();

        while (!instr.equals(exclfilter001.SGNL_BREAK)) {

            log.display("<" + instr + ">" + " arrived");
            if (instr==null) {
                break;
            }

            // loading of tested classes
            if (instr.equals(exclfilter001.SGNL_LOAD)) {
                unloader = loadClasses(classDir);

            // unloading of tested classes
            } else if (instr.equals(exclfilter001.SGNL_UNLOAD)) {

                unloadClasses(unloader);
            }
            pipe.println(exclfilter001.SGNL_READY);

            instr = pipe.readln();
        }

        instr = pipe.readln();
        log.display("<" + instr + ">" + " arrived");

        if (instr != null) {
            if (instr.equals(exclfilter001.SGNL_QUIT)) {
                log.display("DEBUGEE> completed succesfully.");
                System.exit(Consts.TEST_PASSED + Consts.JCK_STATUS_BASE);
            }
        }

        log.complain("DEBUGEE> unexpected signal of debugger.");
        System.exit(Consts.TEST_FAILED + Consts.JCK_STATUS_BASE);
    }

    private static ClassUnloader loadClasses(String classDir) {
        ClassUnloader unloader = new ClassUnloader();
        for (int i = 0; i < testedClasses.length; i++) {
            try {
                unloader.loadClass(exclfilter001.prefix + testedClasses[i], classDir);
            } catch(ClassNotFoundException e) {
                log.complain("DEBUGEE> class " + testedClasses[i] + " not found");
                log.complain(" " + e);
                System.exit(Consts.TEST_FAILED + Consts.JCK_STATUS_BASE);
            }
        }
        return unloader;
    }

    private static void unloadClasses(ClassUnloader unloader) {
        unloader.unloadClass();
    }
}