/* /nodynamiccopyright/ */  // DO NOT DELETE ANY LINES!!!!

//    THIS TEST IS LINE NUMBER SENSITIVE

/**

 *  @test

 *  @bug 4530424

 *  @summary Hin says that doing a step over after a popframe acts like a resume.

 *

 *  @author jjh

 *

 *  @library ..

 *  @run build TestScaffold VMConnection TargetListener TargetAdapter

 *  @run compile -g PopAndStepTest.java

 *  @run main PopAndStepTest

 */

import com.sun.jdi.*;

import com.sun.jdi.event.*;

import com.sun.jdi.request.*;

import java.util.*;

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

class PopAndStepTarg {

    public void B() {

        System.out.println("debuggee: in B");

        System.out.println("debuggee: in B, back to A");   // add line breakpoint here line 26 !!!

    }

    public void A() {

        System.out.println("debuggee: in A, about to call B");  // line 30

        B();

        System.out.println("debuggee: in A, back from B");      // line 32

        throw new RuntimeException("debuggee: Got to line 33");

    }

    public static void main(String[] args) {

        System.out.println("debuggee: Howdy!");      // line 37

        PopAndStepTarg xxx = new PopAndStepTarg();   // line 39

        xxx.A();                                     // line 40

        System.out.println("debugee: Goodbye from PopAndStepTarg!");

    }

}

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

public class PopAndStepTest extends TestScaffold {

    ReferenceType targetClass;

    ThreadReference mainThread;

    PopAndStepTest (String args[]) {

        super(args);

    }

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

        new PopAndStepTest(args).startTests();

    }

    StackFrame frameFor(String methodName) throws Exception {

        Iterator it = mainThread.frames().iterator();

        while (it.hasNext()) {

            StackFrame frame = (StackFrame)it.next();

            if (frame.location().method().name().equals(methodName)) {

                return frame;

            }

        }

        failure("FAIL: " + methodName + " not on stack");

        return null;

    }

    int getDebuggeeLineNum(int expectedLine) throws Exception {

        List allFrames = mainThread.frames();

        if ( allFrames == null) {

            return -1;

        }

        Iterator it = allFrames.iterator();

        StackFrame frame = (StackFrame)it.next();

        Location loc = frame.location();

        int theLine = loc.lineNumber();

        if (expectedLine != theLine) {

            failure("FAIL: Should be at " + expectedLine + ", are at " +

                    theLine + ", method = " + loc.method().name());

        } else {

            println("Should be at, and am at: " + expectedLine);

        }

        return theLine;

    }

    public void vmDied(VMDeathEvent event) {

        println("Got VMDeathEvent");

    }

    public void vmDisconnected(VMDisconnectEvent event) {

        println("Got VMDisconnectEvent");

    }

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

    protected void runTests() throws Exception {

        /*

         * Get to the top of main()

         * to determine targetClass and mainThread

         */

        runOnce();

    }

    void runOnce() throws Exception{

        /*

         * Get to the top of main()

         * to determine targetClass and mainThread

         */

        BreakpointEvent bpe = startToMain("PopAndStepTarg");

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

        mainThread = bpe.thread();

        getDebuggeeLineNum(37);

        println("Resuming to line 26");

        bpe = resumeTo("PopAndStepTarg", 26); getDebuggeeLineNum(26);

        // The failure is this:

        //   create step request

        //   enable step request

        //   pop frame

        //   do the step

        //   do another step - This step runs to completion

        EventRequestManager erm = eventRequestManager();

        StepRequest srInto = erm.createStepRequest(mainThread, StepRequest.STEP_LINE,

                                                   StepRequest.STEP_INTO);

        srInto.addClassExclusionFilter("java.*");

        srInto.addClassExclusionFilter("sun.*");

        srInto.addClassExclusionFilter("com.sun.*");

        srInto.addCountFilter(1);

        srInto.enable(); // This fails

        mainThread.popFrames(frameFor("A"));

        //srInto.enable();   // if the enable is moved here, it passes

        println("Popped back to line 40 in main, the call to A()");

        println("Stepping into line 30");

        waitForRequestedEvent(srInto);   // println

        srInto.disable();

        getDebuggeeLineNum(30);

        // The failure occurs here.

        println("Stepping over to line 31");

        stepOverLine(mainThread);   // println

        getDebuggeeLineNum(31);

        println("Stepping over to line 32");

        stepOverLine(mainThread);        // call to B()

        getDebuggeeLineNum(32);

        vm().exit(0);

        if (testFailed) {

            throw new Exception("PopAndStepTest failed");

        }

        println("Passed:");

    }

}