/*

 * Copyright (c) 2001, 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 4419453

 *  @summary Test that Method.location() returns the right values

 *

 *  @author Robert Field

 *

 *  @run build TestScaffold VMConnection TargetListener TargetAdapter

 *  @run compile -g LocationTest.java

 *  @run main LocationTest

 */

import com.sun.jdi.*;

import com.sun.jdi.event.*;

import com.sun.jdi.request.*;

import java.util.*;

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

abstract class AbstractLocationTarg {

    abstract void foo();

}

class LocationTarg extends AbstractLocationTarg {

    public static void main(String[] args){

        System.out.println("Howdy!");  // don't change the following 3 lines

    }

    void foo() {

        System.out.println("Never here!");  // must be 3 lines after "Howdy!"

    }

}

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

public class LocationTest extends TestScaffold {

    ReferenceType targetClass;

    ThreadReference mainThread;

    LocationTest (String args[]) {

        super(args);

    }

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

        new LocationTest(args).startTests();

    }

    /********** test assist **********/

    Location getLocation(String refName, String methodName) {

        List refs = vm().classesByName(refName);

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

            failure("Test failure: " + refs.size() +

                    " ReferenceTypes named: " + refName);

            return null;

        }

        ReferenceType refType = (ReferenceType)refs.get(0);

        List meths = refType.methodsByName(methodName);

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

            failure("Test failure: " + meths.size() +

                    " methods named: " + methodName);

            return null;

        }

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

        return meth.location();

    }

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

    protected void runTests() throws Exception {

        Location loc;

        /*

         * Get to the top of main() to get everything loaded

         */

        startToMain("LocationTarg");

        /*

         * Test the values of location()

         */

        loc = getLocation("AbstractLocationTarg", "foo");

        if (loc != null) {

            failure("location of AbstractLocationTarg.foo() should have " +

                    "been null, but was: " + loc);

        }

        loc = getLocation("java.util.List", "clear");

        if (loc != null) {

            failure("location of java.util.List.clear() " +

                    "should have been null, but was: " + loc);

        }

        loc = getLocation("java.lang.Object", "getClass");

        if (loc == null) {

            failure("location of Object.getClass() " +

                    "should have been non-null, but was: " + loc);

        } else {

            if (!loc.declaringType().name().equals("java.lang.Object")) {

                failure("location.declaringType() of Object.getClass() " +

                        "should have been java.lang.Object, but was: " +

                        loc.declaringType());

            }

            if (!loc.method().name().equals("getClass")) {

                failure("location.method() of Object.getClass() " +

                        "should have been getClass, but was: " +

                        loc.method());

            }

            if (loc.codeIndex() != -1) {

                failure("location.codeIndex() of Object.getClass() " +

                        "should have been -1, but was: " +

                        loc.codeIndex());

            }

            if (loc.lineNumber() != -1) {

                failure("location.lineNumber() of Object.getClass() " +

                        "should have been -1, but was: " +

                        loc.lineNumber());

            }

        }

        Location mainLoc = getLocation("LocationTarg", "main");

        loc = getLocation("LocationTarg", "foo");

        if (loc == null) {

            failure("location of LocationTarg.foo() " +

                    "should have been non-null, but was: " + loc);

        } else {

            if (!loc.declaringType().name().equals("LocationTarg")) {

                failure("location.declaringType() of LocationTarg.foo() " +

                        "should have been LocationTarg, but was: " +

                        loc.declaringType());

            }

            if (!loc.method().name().equals("foo")) {

                failure("location.method() of LocationTarg.foo() " +

                        "should have been foo, but was: " +

                        loc.method());

            }

            if (loc.codeIndex() != 0) {  // implementation dependent!!!

                failure("location.codeIndex() of LocationTarg.foo() " +

                        "should have been 0, but was: " +

                        loc.codeIndex());

            }

            if (loc.lineNumber() != (mainLoc.lineNumber() + 3)) {

                failure("location.lineNumber() of LocationTarg.foo() " +

                        "should have been " + (mainLoc.lineNumber() + 3) +

                        ", but was: " + loc.lineNumber());

            }

        }

        /*

         * resume until the end

         */

        listenUntilVMDisconnect();

        /*

         * deal with results of test

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

         */

        if (!testFailed) {

            println("LocationTest: passed");

        } else {

            throw new Exception("LocationTest: failed");

        }

    }

}