/*

 * Copyright (c) 2001, 2016, 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.

 */

/**

 * @test

 * @bug 4406439 4925740

 * @summary ClassesByName2 verifies that all the classes in the loaded class list can be found with classesByName..

 * @author Tim Bell (based on ClassesByName by Robert Field)

 *

 * @modules jdk.jdi

 *          java.desktop

 *

 * @run build TestScaffold VMConnection TargetListener TargetAdapter

 * @run compile -g ClassesByName2Test.java

 * @run driver ClassesByName2Test

 */

import com.sun.jdi.*;

import com.sun.jdi.event.*;

import com.sun.jdi.request.*;

import java.util.*;

    /********** target program **********/

class ClassesByName2Targ {

    static void bkpt() {

    }

    public static void main(String[] args){

        System.out.println("Howdy!");

        try {

            Thread zero = new Thread ("ZERO") {

                    public void run () {

                        System.setProperty("java.awt.headless", "true");

                        java.awt.Toolkit tk = java.awt.Toolkit.getDefaultToolkit();

                    }

                };

            Thread one = new Thread ("ONE") {

                    public void run () {

                        try {

                            java.security.KeyPairGenerator keyGen =

                                java.security.KeyPairGenerator.getInstance("DSA", "SUN");

                        } catch (Exception e) {

                            e.printStackTrace();

                        }

                    }

                };

            Thread two = new Thread ("TWO") {

                public void run () {

                    try {

                        String s = String.format("%02x", 0xff);

                    } catch (Exception e) {

                        e.printStackTrace();

                    }

                }

            };

            two.start();

            one.start();

            zero.start();

            try {

                zero.join();

                System.out.println("zero joined");

                one.join();

                System.out.println("one joined");

                two.join();

                System.out.println("two joined");

            } catch (InterruptedException iex) {

                iex.printStackTrace();

            }

        } catch (Exception e) {

            e.printStackTrace();

        }

        bkpt();

        System.out.println("Goodbye from ClassesByName2Targ!");

    }

}

    /********** test program **********/

public class ClassesByName2Test extends TestScaffold {

    volatile boolean stop = false;

    ClassesByName2Test (String args[]) {

        super(args);

    }

    public void breakpointReached(BreakpointEvent event) {

        System.out.println("Got BreakpointEvent: " + event);

        stop = true;

    }

    public void eventSetComplete(EventSet set) {

        // Don't resume.

    }

    public static void main(String[] args)      throws Exception {

        new ClassesByName2Test(args).startTests();

    }

    void breakpointAtMethod(ReferenceType ref, String methodName)

                                           throws Exception {

        List meths = ref.methodsByName(methodName);

        if (meths.size() != 1) {

            throw new Exception("test error: should be one " +

                                methodName);

        }

        Method meth = (Method)meths.get(0);

        BreakpointRequest bkptReq = vm().eventRequestManager().

            createBreakpointRequest(meth.location());

        bkptReq.enable();

        try {

            addListener (this);

        } catch (Exception ex){

            ex.printStackTrace();

            failure("failure: Could not add listener");

            throw new Exception("ClassesByname2Test: failed");

        }

    }

    protected void runTests() throws Exception {

        BreakpointEvent bpe = startToMain("ClassesByName2Targ");

        /*

          Bug 6263966 - Don't just resume because the debuggee can

          complete and disconnect while the following loop is

          accessing it.

        */

        breakpointAtMethod(bpe.location().declaringType(), "bkpt");

        vm().resume();

        /* The test of 'stop' is so that we stop when the debuggee hits

           the bkpt.  The 150 is so we stop if the debuggee

           is slow (eg, -Xcomp -server) - we don't want to

           spend all day waiting for it to get to the bkpt.

        */

        for (int i = 0; i < 150 && !stop; i++) {

            List all = vm().allClasses();

            System.out.println("\n++++ Lookup number: " + i + ".  allClasses() returned " +

                               all.size() + " classes.");

            for (Iterator it = all.iterator(); it.hasNext(); ) {

                ReferenceType cls = (ReferenceType)it.next();

                String name = cls.name();

                List found = vm().classesByName(name);

                if (found.contains(cls)) {

                    //System.out.println("Found class: " + name);

                } else {

                    System.out.println("CLASS NOT FOUND: " + name);

                    throw new Exception("CLASS NOT FOUND (by classesByName): " +

                                        name);

                }

            }

        }

        // In case of a slow debuggee, we don't want to resume the debuggee and wait

        // for it to complete.

        vm().exit(0);

        /*

         * deal with results of test

         * if anything has called failure("foo") testFailed will be true

         */

        if (!testFailed) {

            println("ClassesByName2Test: passed");

        } else {

            throw new Exception("ClassesByName2Test: failed");

        }

    }

}