/*

 * Copyright (c) 2000, 2002, 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 4326648 4768329

 *  @summary Test to verify that table entries are generated for all final

 *           locals when a class is built for debug, even if they could be

 *           inlined otherwise.

 *

 *  @author Tim Bell

 *

 *  @run build TestScaffold VMConnection TargetListener TargetAdapter

 *  @run compile -g FinalLocalsTest.java

 *  @run main FinalLocalsTest

 */

import com.sun.jdi.*;

import com.sun.jdi.event.*;

import com.sun.jdi.request.*;

import java.util.*;

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

class FinalLocalsTarg {

    public void test1 (final int t, int k){

        String s1 = "first";

        final int z = 0;

        if (true) {

            final float r = 10.00f;

            boolean b = true;

            System.out.println(r);

        }

    }

    public void hi(){

        return;

    }

    public static void main(String[] args) {

        System.out.print("in FinalLocalsTarg:");

        new FinalLocalsTarg().hi();

        return;

    }

}

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

public class FinalLocalsTest extends TestScaffold {

    ReferenceType targetClass;

    ThreadReference mainThread;

    FinalLocalsTest (String args[]) {

        super(args);

    }

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

        new FinalLocalsTest(args).startTests();

    }

    /********** test core **********/

    static final int VARIABLES = 1;

    static final int BYNAME = 2;

    static final int ARGUMENTS = 3;

    /*

     * Take a String containing comma separated values

     * and return those values in a TreeSet.

     */

    private TreeSet buildSet(String in) {

        TreeSet result = new TreeSet();

        StringTokenizer tt = new StringTokenizer(in, ",");

        while (tt.hasMoreTokens()) {

            String ss = tt.nextToken();

            if (! result.add(ss)) {

                failure ("Duplicate entry \"" + ss + "\" in string: " +

                         in + " is not allowed");

            }

        }

        return result;

    }

    private void test(Method method, int which, String name, String expected) {

        String got = testCase(method, which);

        System.out.println(" test() comparing expected = " + expected +

                           " to got = " + got);

        TreeSet expectedSet = buildSet(expected);

        TreeSet gotSet = buildSet(got);

        while (! expectedSet.isEmpty()) {

            String ee = (String)expectedSet.first();

            expectedSet.remove(ee);

            if (gotSet.contains(ee)) {

                gotSet.remove(ee);

            } else {

                failure (name + " Expected entry \"" + ee + "\" not found");

            }

        }

        //assert expectedSet.isEmpty() : name + " expected set should have been emptied";

        if (! gotSet.isEmpty()) {

            StringBuffer sb = new StringBuffer();

            Iterator it = gotSet.iterator();

            while (it.hasNext()) {

                sb.append(it.next());

                if (it.hasNext()) {

                    sb.append(",");

                }

            }

            failure (name + " Unexpected entries found: " + sb.toString());

        }

    }

    String testCase(Method method, int which) {

        try {

            List vars;

            switch (which) {

                case VARIABLES:

                    vars = method.variables();

                    break;

                case BYNAME:

                    vars = method.variablesByName("s1");

                    break;

                case ARGUMENTS:

                    vars = method.arguments();

                    break;

                default:

                    throw new InternalException("should not happen");

            }

            StringBuffer sb = new StringBuffer();

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

                LocalVariable lv = (LocalVariable)it.next();

                if (sb.length() > 0) {

                    sb.append(",");

                }

                sb.append(lv.name());

            }

            return sb.toString();

        } catch (Exception exc) {

            String st = exc.getClass().getName();

            int inx = st.lastIndexOf('.');

            return st.substring(inx+1);

        }

    }

    protected void runTests() throws Exception {

        /*

         * Get to the top of main()

         * to determine targetClass and mainThread

         */

        BreakpointEvent bpe = startToMain("FinalLocalsTarg");

        targetClass = bpe.location().declaringType();

        mainThread = bpe.thread();

        EventRequestManager erm = vm().eventRequestManager();

        /*

         * Get to a point where the classes are loaded.

         */

        BreakpointEvent bp = resumeTo("FinalLocalsTarg", "hi", "()V");

        ReferenceType rt = findReferenceType("FinalLocalsTarg");

        if (rt == null) {

            throw new Exception("FinalLocalsTarg: not loaded");

        }

        /*

         * Inspect the LocalVariableTable attributes for method "test1"

         * NOTE: .class files compiled with some versions of javac will

         * give results listed in different order.  That's OK.

         */

        Method method = findMethod(rt, "test1", "(II)V");

        if (method == null) {

            throw new Exception("Method not found");

        }

        test(method, VARIABLES, "VARIABLES",

             "t,k,s1,z,r,b");

        test(method, BYNAME, "BYNAME",

             "s1");

        test(method, ARGUMENTS, "ARGUMENTS",

             "t,k");

        /*

         * All Done.  Resume the target listening for events

         */

        listenUntilVMDisconnect();

        /*

         * deal with results of test

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

         */

        if (!testFailed) {

            println("FinalLocalsTest: passed");

        } else {

            throw new Exception("FinalLocalsTest: failed");

        }

    }

}