/**

 *  @test/nodynamiccopyright/

 *  @bug 4952629 4870514

 *  @summary REGRESSION: javac generates a spurious line number entry on } else {

 *

 *  @author jjh

 *

 *  @run build VMConnection TargetListener TargetAdapter

 *  @run compile -g LineNumberOnBraceTest.java

 *  @run main LineNumberOnBraceTest

 */

import com.sun.jdi.*;

import com.sun.jdi.event.*;

import com.sun.jdi.request.*;

import java.util.*;

    /********** LINE NUMBER SENSITIVE! *****************************************************************/

class LineNumberOnBraceTarg {

    public final static int stopLine = 28;   // THIS MUST BE THE LINE NUMBER OF THE // stopline LINE

    public final static int stopLine2 = 34;  // THIS MUST BE THE LINE NUMBER OF THE // stopline2 LINE

    public static void main(String[] args){

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

        if (args.length == 0) {

            System.out.println("No args to debuggee");             // stopLine

        } else {

            System.out.println("Some args to debuggee");

        }

        if (args.length == 0) {

            boolean b1 = false;

            if (b1) {                                              // stopLine2

                System.out.println("In 2nd else");                 // bug 4870514 is that we stop here.

            }

        } else {

            System.out.println("In 2nd else");

        }

        System.out.println("Goodbye from LineNumberOnBraceTarg!");  // stopLine2 + 6

    }

    // This isn't part of the test; it is just here

    // so one can see what line numbers are generated for a finally.

    public void exampleOfThrow() {

        try {

            throw new Exception();

        } catch (Exception e) {

            System.out.println("caught exception");

        } finally {

            System.out.println("finally");

        }

    }

}

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

public class LineNumberOnBraceTest extends TestScaffold {

    ReferenceType targetClass;

    ThreadReference mainThread;

    LineNumberOnBraceTest (String args[]) {

        super(args);

    }

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

        new LineNumberOnBraceTest(args).startTests();

    }

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

    protected void runTests() throws Exception {

        /*

         * Get to the top of main()

         * to determine targetClass and mainThread

         */

        BreakpointEvent bpe = startToMain("LineNumberOnBraceTarg");

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

        mainThread = bpe.thread();

        resumeTo("LineNumberOnBraceTarg", LineNumberOnBraceTarg.stopLine);

        StepEvent stepev = stepOverLine(mainThread);       // step to 2nd if (args.length

        // Bug 4952629 is that javac outputs a line number

        // on the goto around the else which causes us to

        // be stopped at that goto instead of the println("Goodbye ...")

        int ln = stepev.location().lineNumber();

        System.out.println("Debuggee is stopped at line " + ln);

        if (ln != LineNumberOnBraceTarg.stopLine + 4) {

            failure("FAIL: Bug 4952629: Should be at line " +

                    (LineNumberOnBraceTarg.stopLine + 4) +

                    ", am at " + ln);

        } else {

            System.out.println("Passed test for 4952629");

        }

        // Test for bug 4870514

        System.out.println("Resuming to " + LineNumberOnBraceTarg.stopLine2);

        resumeTo("LineNumberOnBraceTarg", LineNumberOnBraceTarg.stopLine2);

        System.out.println("Stopped at " + LineNumberOnBraceTarg.stopLine2);

        stepev = stepOverLine(mainThread);

        ln = stepev.location().lineNumber();

        System.out.println("Debuggee is stopped at line " + ln);

        if (ln == LineNumberOnBraceTarg.stopLine2 + 1) {

            failure("FAIL: bug 4870514: Incorrectly stopped at " +

                    (LineNumberOnBraceTarg.stopLine2 + 1));

        } else {

            System.out.println("Passed test for 4870514");

        }

        /*

         * 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("LineNumberOnBraceTest: passed");

        } else {

            throw new Exception("LineNumberOnBraceTest: failed");

        }

    }

}