e48cfc709d
Reviewed-by: erikj, kvn, sspitsyn
313 lines
12 KiB
Java
313 lines
12 KiB
Java
/*
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* Copyright (c) 2002, 2018, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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package nsk.jdi.StackFrame.getValue;
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import com.sun.jdi.*;
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import com.sun.jdi.event.*;
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import com.sun.jdi.request.*;
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import java.util.*;
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import java.io.*;
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import nsk.share.*;
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import nsk.share.jpda.*;
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import nsk.share.jdi.*;
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/**
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* The test checks that the JDI method:<br>
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* <code>com.sun.jdi.StackFrame.getValue()</code><br>
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* properly throws <i>IllegalArgumentException</i> - if
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* specified variable is invalid for this frame's method.<p>
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*
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* The test works as follows. The target VM executes two debuggee
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* threads: <i>getvalue003tMainThr</i> and <i>getvalue003tAuxThr</i>.
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* Debugger part tries to get value of the local variable
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* <i>getvalue003tFindMe</i> in stack frame obtained from the
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* <i>getvalue003tMainThr</i> thread using as a parameter a
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* LocalVariable object obtained from the <i>getvalue003tAuxThr</i> thread.
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*/
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public class getvalue003 {
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static final String DEBUGGEE_CLASS =
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"nsk.jdi.StackFrame.getValue.getvalue003t";
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// names of debuggee threads
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static final String DEBUGGEE_THRDNAMES[] = {
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"getvalue003tMainThr", "getvalue003tAuxThr"
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};
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// debuggee local var used in testing
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static final String DEBUGGEE_LOCALVAR = "getvalue003tFindMe";
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// debuggee source line where it should be stopped
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static final int DEBUGGEE_STOPATLINE = 69;
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static final int DELAY = 500; // in milliseconds
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static final String COMMAND_READY = "ready";
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static final String COMMAND_GO = "go";
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static final String COMMAND_QUIT = "quit";
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private ArgumentHandler argHandler;
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private Log log;
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private IOPipe pipe;
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private Debugee debuggee;
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private VirtualMachine vm;
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private BreakpointRequest BPreq;
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private volatile int tot_res = Consts.TEST_PASSED;
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private volatile boolean gotEvent = false;
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private LocalVariable wrongLocVar;
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public static void main (String argv[]) {
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System.exit(run(argv,System.out) + Consts.JCK_STATUS_BASE);
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}
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public static int run(String argv[], PrintStream out) {
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return new getvalue003().runIt(argv, out);
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}
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private int runIt(String args[], PrintStream out) {
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argHandler = new ArgumentHandler(args);
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log = new Log(out, argHandler);
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Binder binder = new Binder(argHandler, log);
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debuggee = binder.bindToDebugee(DEBUGGEE_CLASS);
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pipe = debuggee.createIOPipe();
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vm = debuggee.VM();
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debuggee.redirectStderr(log, "getvalue003t.err> ");
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debuggee.resume();
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String cmd = pipe.readln();
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if (!cmd.equals(COMMAND_READY)) {
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log.complain("TEST BUG: unknown debuggee command: " + cmd);
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tot_res = Consts.TEST_FAILED;
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return quitDebuggee();
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}
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ThreadReference thrRef[] = new ThreadReference[2];
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for (int i=0; i<2; i++)
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if ((thrRef[i] =
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debuggee.threadByName(DEBUGGEE_THRDNAMES[i])) == null) {
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log.complain("TEST FAILURE: method Debugee.threadByName() returned null for debuggee thread "
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+ DEBUGGEE_THRDNAMES[i]);
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tot_res = Consts.TEST_FAILED;
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return quitDebuggee();
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}
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try {
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// debuggee main class
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ReferenceType rType = debuggee.classByName(DEBUGGEE_CLASS);
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suspendAtBP(rType, DEBUGGEE_STOPATLINE);
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// get a stack frame which belongs to the "getvalue003tMainThr" thread
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StackFrame stFrame = findFrame(thrRef[0], DEBUGGEE_LOCALVAR, false);
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// store a LocalVariable which belongs to the "getvalue003tAuxThr" thread
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findFrame(thrRef[1], DEBUGGEE_LOCALVAR, true);
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log.display("\nTrying to get value of local variable \""
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+ wrongLocVar
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+ "\"\n\tgotten from thread \"" + thrRef[1]
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+ "\"\n\tusing stack frame \"" + stFrame
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+ "\"\n\tbelongs to thread \"" + thrRef[0]
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+ "\" ...");
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// Check the tested assersion
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try {
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Value val = stFrame.getValue(wrongLocVar);
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log.complain("TEST FAILED: expected IllegalArgumentException was not thrown"
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+ "\n\twhen attempted to get value of local variable \""
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+ wrongLocVar
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+ "\"\n\tgotten from thread \"" + thrRef[1]
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+ "\"\n\tusing stack frame \"" + stFrame
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+ "\"\n\tbelongs to thread \"" + thrRef[0] + "\"");
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tot_res = Consts.TEST_FAILED;
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} catch(IllegalArgumentException ee) {
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log.display("CHECK PASSED: caught expected " + ee);
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} catch(Exception ue) {
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ue.printStackTrace();
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log.complain("TEST FAILED: StackFrame.getValue(): caught unexpected "
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+ ue + "\n\tinstead of IllegalArgumentException"
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+ "\n\twhen attempted to get value of local variable \""
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+ wrongLocVar
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+ "\"\n\tgotten from thread \"" + thrRef[1]
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+ "\"\n\tusing stack frame \"" + stFrame
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+ "\"\n\tbelongs to thread \"" + thrRef[0] + "\"");
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tot_res = Consts.TEST_FAILED;
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}
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} catch (Exception e) {
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e.printStackTrace();
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log.complain("TEST FAILURE: caught unexpected exception: " + e);
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tot_res = Consts.TEST_FAILED;
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}
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return quitDebuggee();
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}
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private StackFrame findFrame(ThreadReference thrRef,
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String varName, boolean storeLocVar) {
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try {
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List frames = thrRef.frames();
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Iterator iter = frames.iterator();
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while (iter.hasNext()) {
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StackFrame stackFr = (StackFrame) iter.next();
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try {
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LocalVariable locVar =
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stackFr.visibleVariableByName(varName);
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// visible variable with the given name is found
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if (locVar != null) {
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if (storeLocVar) // store a LocalVariable as well
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wrongLocVar = locVar;
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return stackFr;
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}
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} catch(AbsentInformationException e) {
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// this is not needed stack frame, ignoring
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} catch(NativeMethodException ne) {
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// current method is native, also ignoring
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}
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}
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} catch (Exception e) {
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e.printStackTrace();
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tot_res = Consts.TEST_FAILED;
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throw new Failure("findObjRef: caught unexpected exception: " + e);
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}
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throw new Failure("findObjRef: needed debuggee stack frame not found");
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}
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private BreakpointRequest setBP(ReferenceType refType, int bpLine) {
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EventRequestManager evReqMan =
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debuggee.getEventRequestManager();
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Location loc;
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try {
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List locations = refType.allLineLocations();
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Iterator iter = locations.iterator();
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while (iter.hasNext()) {
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loc = (Location) iter.next();
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if (loc.lineNumber() == bpLine) {
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BreakpointRequest BPreq =
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evReqMan.createBreakpointRequest(loc);
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log.display("created " + BPreq + "\n\tfor " + refType
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+ " ; line=" + bpLine);
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return BPreq;
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}
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}
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} catch (Exception e) {
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e.printStackTrace();
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throw new Failure("setBP: caught unexpected exception: " + e);
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}
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throw new Failure("setBP: location corresponding debuggee source line "
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+ bpLine + " not found");
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}
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private void suspendAtBP(ReferenceType rType, int bpLine) {
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/**
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* This is a class containing a critical section which may lead to time
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* out of the test.
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*/
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class CriticalSection extends Thread {
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public volatile boolean waitFor = true;
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public void run() {
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try {
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do {
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EventSet eventSet = vm.eventQueue().remove(DELAY);
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if (eventSet != null) { // it is not a timeout
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EventIterator it = eventSet.eventIterator();
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while (it.hasNext()) {
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Event event = it.nextEvent();
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if (event instanceof VMDisconnectEvent) {
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log.complain("TEST FAILED: unexpected VMDisconnectEvent");
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break;
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} else if (event instanceof VMDeathEvent) {
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log.complain("TEST FAILED: unexpected VMDeathEvent");
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break;
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} else if (event instanceof BreakpointEvent) {
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if (event.request().equals(BPreq)) {
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log.display("expected Breakpoint event occured: "
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+ event.toString());
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gotEvent = true;
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return;
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}
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} else
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log.display("following JDI event occured: "
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+ event.toString());
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}
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}
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} while(waitFor);
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log.complain("TEST FAILED: no expected Breakpoint event");
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tot_res = Consts.TEST_FAILED;
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} catch (Exception e) {
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e.printStackTrace();
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tot_res = Consts.TEST_FAILED;
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log.complain("TEST FAILED: caught unexpected exception: " + e);
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}
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}
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}
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/////////////////////////////////////////////////////////////////////////////
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BPreq = setBP(rType, bpLine);
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BPreq.enable();
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CriticalSection critSect = new CriticalSection();
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log.display("\nStarting potential timed out section:\n\twaiting "
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+ (argHandler.getWaitTime())
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+ " minute(s) for JDI Breakpoint event ...\n");
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critSect.start();
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pipe.println(COMMAND_GO);
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try {
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critSect.join((argHandler.getWaitTime())*60000);
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if (critSect.isAlive()) {
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critSect.waitFor = false;
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throw new Failure("timeout occured while waiting for Breakpoint event");
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}
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} catch (InterruptedException e) {
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critSect.waitFor = false;
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throw new Failure("TEST INCOMPLETE: InterruptedException occured while waiting for Breakpoint event");
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} finally {
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BPreq.disable();
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}
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log.display("\nPotential timed out section successfully passed\n");
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if (gotEvent == false)
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throw new Failure("unable to suspend debuggee thread at breakpoint");
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}
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private int quitDebuggee() {
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log.display("Final resumption of debuggee VM");
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vm.resume();
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pipe.println(COMMAND_QUIT);
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debuggee.waitFor();
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int debStat = debuggee.getStatus();
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if (debStat != (Consts.JCK_STATUS_BASE + Consts.TEST_PASSED)) {
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log.complain("TEST FAILED: debuggee process finished with status: "
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+ debStat);
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tot_res = Consts.TEST_FAILED;
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} else
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log.display("\nDebuggee process finished with the status: "
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+ debStat);
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return tot_res;
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}
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}
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