/*

 * Copyright 2000-2002 Sun Microsystems, Inc.  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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,

 * CA 95054 USA or visit www.sun.com if you need additional information or

 * have any questions.

 */

/**

 *  @test

 *  @summary Test Method.variables() and the like.

 *

 *  @author Robert Field

 *

 *  @library scaffold

 *  @run build JDIScaffold VMConnection

 *  @run compile -g Vars.java

 *  @run main/othervm Vars

 */

import com.sun.jdi.*;

import com.sun.jdi.event.*;

import java.util.*;

/*

 * This class is internal

 */

abstract class AbstractTestVars {

    abstract float test1(String blah, int i);

    native int test2(double k, boolean b);

    String test3(short sh, long lo) {

        String st = "roses";

        return st;

    }

}

/*

 * This class is internal

 */

class TestVars extends AbstractTestVars {

    float test1(String blah, int i) {

        return (float)1.1;

    }

    void hi() {

        return;

    }

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

        new TestVars().hi();

        return;

    }

}

/*

 * "Vars" test runs TestVars and makes LocalVariable queries

 */

public class Vars extends JDIScaffold {

    final String[] args;

    boolean failed = false;

    Vars(String args[]) {

        super();

        this.args = args;

    }

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

        new Vars(args).runTests();

    }

    static final int VARIABLES = 1;

    static final int BYNAME = 2;

    static final int ARGUMENTS = 3;

    String testCase(Method method, int which) {

        try {

            List vars;

            switch (which) {

                case VARIABLES:

                    vars = method.variables();

                    break;

                case BYNAME:

                    vars = method.variablesByName("st");

                    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);

        }

    }

    /**

     * Sets failed if fails.

     */

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

        String got = testCase(method, which);

        if (got.equals(expected)) {

            System.out.println(name + ": got expected: " + got);

        } else {

            failed = true;

            System.out.println(name + ": ERROR expected: " + expected);

            System.out.println("      got: " + got);

        }

    }

    void test2(Method method, int which, String name, String expected, String expected2) {

        String got = testCase(method, which);

        if (got.equals(expected) || got.equals(expected2)) {

            System.out.println(name + ": got expected: " + got);

        } else {

            failed = true;

            System.out.println(name + ": ERROR expected: " + expected);

            System.out.println("      got: " + got);

        }

    }

    protected void runTests() throws Exception {

        List argList = new ArrayList(Arrays.asList(args));

        argList.add("TestVars");

        System.out.println("run args: " + argList);

        connect((String[])argList.toArray(args));

        waitForVMStart();

        /*

         * Get to a point where the classes are loaded.

         */

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

        /*

         * These classes should have no line numbers, except for

         * one in the implicit constructor.

         */

        ReferenceType rt = findReferenceType("AbstractTestVars");

        if (rt == null) {

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

        }

        Method method = findMethod(rt, "test1", "(Ljava/lang/String;I)F");

        if (method == null) {

            throw new Exception("Method not found");

        }

        test(method, VARIABLES, "abstract/variables",

             "AbsentInformationException");

        test(method, BYNAME, "abstract/variablesByName",

             "AbsentInformationException");

        test(method, ARGUMENTS, "abstract/arguments",

             "AbsentInformationException");

        method = findMethod(rt, "test2", "(DZ)I");

        if (method == null) {

            throw new Exception("Method not found");

        }

        test(method, VARIABLES, "native/variables",

             "AbsentInformationException");

        test(method, BYNAME, "native/variablesByName",

             "AbsentInformationException");

        test(method, ARGUMENTS, "native/arguments",

             "AbsentInformationException");

        method = findMethod(rt, "test3", "(SJ)Ljava/lang/String;");

        if (method == null) {

            throw new Exception("Method not found");

        }

        // javac can put these in whatever order it desires.  hopper

        // does it one way and mantis another.

        test2(method, VARIABLES, "normal/variables", "sh,lo,st", "st,sh,lo");

        test(method, BYNAME, "normal/variablesByName", "st");

        test(method, ARGUMENTS, "normal/arguments", "sh,lo");

        // Allow application to complete

        resumeToVMDeath();

        if (failed) {

            throw new Exception("Vars: failed");

        } else {

            System.out.println("Vars: passed");

        }

    }

}