| /* |
| * Copyright (c) 2002, 2018, 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. |
| */ |
| |
| package nsk.jdi.ThreadReference.popFrames; |
| |
| import com.sun.jdi.*; |
| import com.sun.jdi.event.*; |
| import com.sun.jdi.request.*; |
| |
| import java.util.*; |
| import java.io.*; |
| |
| import nsk.share.*; |
| import nsk.share.jpda.*; |
| import nsk.share.jdi.*; |
| |
| /** |
| * The test checks that the JDI method:<br> |
| * <code>com.sun.jdi.ThreadReference.popFrames()</code><br> |
| * properly throws <i>IllegalArgumentException</i> - if frame is not |
| * on specified thread's call stack.<p> |
| * |
| * The target VM executes two debuggee threads: <i>popframes007tMainThr</i> |
| * and <i>popframes007tAuxThr</i>. Debugger part of the test tries to |
| * pop stack frame of the <i>popframes007tAuxThr</i> thread using |
| * reference of the <i>popframes007tMainThr</i> thread. |
| */ |
| public class popframes007 { |
| static final String DEBUGGEE_CLASS = |
| "nsk.jdi.ThreadReference.popFrames.popframes007t"; |
| |
| // names of debuggee threads |
| static final String DEBUGGEE_THRDS[] = { |
| "popframes007tMainThr", "popframes007tAuxThr" |
| }; |
| // debuggee local var used to find needed stack frame |
| static final String DEBUGGEE_LOCALVAR = "popframes007tFindMe"; |
| // debuggee field used to indicate that popping has been done |
| static final String DEBUGGEE_FIELD = "leaveMethod"; |
| |
| // debuggee source line where it should be stopped |
| static final int DEBUGGEE_STOPATLINE = 83; |
| |
| static final int ATTEMPTS = 5; |
| static final int DELAY = 500; // in milliseconds |
| |
| static final String COMMAND_READY = "ready"; |
| static final String COMMAND_GO = "go"; |
| static final String COMMAND_QUIT = "quit"; |
| |
| private ArgumentHandler argHandler; |
| private Log log; |
| private IOPipe pipe; |
| private Debugee debuggee; |
| private VirtualMachine vm; |
| private BreakpointRequest BPreq; |
| private ObjectReference objRef; |
| private volatile int tot_res = Consts.TEST_PASSED; |
| private volatile boolean gotEvent = false; |
| |
| public static void main (String argv[]) { |
| System.exit(run(argv,System.out) + Consts.JCK_STATUS_BASE); |
| } |
| |
| public static int run(String argv[], PrintStream out) { |
| return new popframes007().runIt(argv, out); |
| } |
| |
| private int runIt(String args[], PrintStream out) { |
| argHandler = new ArgumentHandler(args); |
| log = new Log(out, argHandler); |
| Binder binder = new Binder(argHandler, log); |
| |
| debuggee = binder.bindToDebugee(DEBUGGEE_CLASS); |
| pipe = debuggee.createIOPipe(); |
| vm = debuggee.VM(); |
| debuggee.redirectStderr(log, "popframes007t.err> "); |
| debuggee.resume(); |
| String cmd = pipe.readln(); |
| if (!cmd.equals(COMMAND_READY)) { |
| log.complain("TEST BUG: unknown debuggee command: " + cmd); |
| tot_res = Consts.TEST_FAILED; |
| return quitDebuggee(); |
| } |
| |
| ThreadReference thrRef[] = new ThreadReference[2]; |
| for (int i=0; i<2; i++) |
| if ((thrRef[i] = |
| debuggee.threadByName(DEBUGGEE_THRDS[i])) == null) { |
| log.complain("TEST FAILURE: method Debugee.threadByName() returned null for debuggee thread " |
| + DEBUGGEE_THRDS[i]); |
| tot_res = Consts.TEST_FAILED; |
| return quitDebuggee(); |
| } |
| |
| Field doExit = null; |
| try { |
| // debuggee main class |
| ReferenceType rType = debuggee.classByName(DEBUGGEE_CLASS); |
| |
| suspendAtBP(rType, DEBUGGEE_STOPATLINE); |
| |
| // debuggee field used to indicate that popping has been done |
| doExit = rType.fieldByName(DEBUGGEE_FIELD); |
| |
| // debuggee stack frame to be popped which is not on specified thread's call stack |
| StackFrame stFrame = findFrame(thrRef[1], DEBUGGEE_LOCALVAR); |
| |
| log.display("\nTrying to pop stack frame \"" + stFrame |
| + "\"\n\tlocation \"" + stFrame.location() |
| + "\"\n\tgot from thread reference \"" + thrRef[1] |
| + "\"\n\tand the frame is not on the following thread's call stack: \"" |
| + thrRef[0] + "\" ..."); |
| |
| // Check the tested assersion |
| try { |
| thrRef[0].popFrames(stFrame); |
| log.complain("TEST FAILED: expected IllegalArgumentException was not thrown" |
| + "\n\twhen attempted to pop stack frame \"" + stFrame |
| + "\"\n\tlocation \"" + stFrame.location() |
| + "\"\n\tgot from thread reference \"" + thrRef[1] |
| + "\"\n\tand the frame is not on the following thread's call stack: \"" |
| + thrRef[0] + "\""); |
| tot_res = Consts.TEST_FAILED; |
| } catch(IllegalArgumentException ee) { |
| log.display("CHECK PASSED: caught expected " + ee); |
| } catch(UnsupportedOperationException une) { |
| if (vm.canPopFrames()) { |
| une.printStackTrace(); |
| log.complain("TEST FAILED: caught exception: " + une |
| + "\n\tHowever, VirtualMachine.canPopFrames() shows, that the target VM" |
| + "\n\tdoes support popping frames of a threads stack: " |
| + vm.canPopFrames()); |
| tot_res = Consts.TEST_FAILED; |
| } else { |
| log.display("Warinig: unable to test an assertion: caught exception: " + une |
| + "\n\tand VirtualMachine.canPopFrames() shows, that the target VM" |
| + "\n\tdoes not support popping frames of a threads stack as well: " |
| + vm.canPopFrames()); |
| } |
| } catch(Exception ue) { |
| ue.printStackTrace(); |
| log.complain("TEST FAILED: ThreadReference.popFrames(): caught unexpected " |
| + ue + "\n\tinstead of IllegalArgumentException" |
| + "\n\twhen attempted to pop stack \"" + stFrame |
| + "\"\n\tlocation \"" + stFrame.location() |
| + "\"\n\tgot from thread reference \"" + thrRef[1] |
| + "\"\n\tand the frame is not on the following thread's call stack: \"" |
| + thrRef[0] + "\""); |
| tot_res = Consts.TEST_FAILED; |
| } |
| } catch (Exception e) { |
| e.printStackTrace(); |
| log.complain("TEST FAILURE: caught unexpected exception: " + e); |
| tot_res = Consts.TEST_FAILED; |
| } finally { |
| // Finish the test |
| // force an method to exit |
| if (objRef != null && doExit != null) { |
| try { |
| objRef.setValue(doExit, vm.mirrorOf(true)); |
| } catch(Exception sve) { |
| sve.printStackTrace(); |
| } |
| } |
| } |
| |
| return quitDebuggee(); |
| } |
| |
| private StackFrame findFrame(ThreadReference thrRef, String varName) { |
| try { |
| List frames = thrRef.frames(); |
| Iterator iter = frames.iterator(); |
| while (iter.hasNext()) { |
| StackFrame stackFr = (StackFrame) iter.next(); |
| try { |
| LocalVariable locVar = |
| stackFr.visibleVariableByName(varName); |
| // visible variable with the given name is found |
| if (locVar != null) { |
| objRef = (ObjectReference) |
| stackFr.getValue(locVar); |
| return stackFr; |
| } |
| } catch(AbsentInformationException e) { |
| // this is not needed stack frame, ignoring |
| } catch(NativeMethodException ne) { |
| // current method is native, also ignoring |
| } |
| } |
| } catch (Exception e) { |
| e.printStackTrace(); |
| tot_res = Consts.TEST_FAILED; |
| throw new Failure("findFrame: caught unexpected exception: " + e); |
| } |
| throw new Failure("findFrame: needed debuggee stack frame not found"); |
| } |
| |
| private BreakpointRequest setBP(ReferenceType refType, int bpLine) { |
| EventRequestManager evReqMan = |
| debuggee.getEventRequestManager(); |
| Location loc; |
| |
| try { |
| List locations = refType.allLineLocations(); |
| Iterator iter = locations.iterator(); |
| while (iter.hasNext()) { |
| loc = (Location) iter.next(); |
| if (loc.lineNumber() == bpLine) { |
| BreakpointRequest BPreq = |
| evReqMan.createBreakpointRequest(loc); |
| log.display("created " + BPreq + "\n\tfor " + refType |
| + " ; line=" + bpLine); |
| return BPreq; |
| } |
| } |
| } catch (Exception e) { |
| e.printStackTrace(); |
| throw new Failure("setBP: caught unexpected exception: " + e); |
| } |
| throw new Failure("setBP: location corresponding debuggee source line " |
| + bpLine + " not found"); |
| } |
| |
| private void suspendAtBP(ReferenceType rType, int bpLine) { |
| |
| /** |
| * This is a class containing a critical section which may lead to time |
| * out of the test. |
| */ |
| class CriticalSection extends Thread { |
| public volatile boolean waitFor = true; |
| |
| public void run() { |
| try { |
| do { |
| EventSet eventSet = vm.eventQueue().remove(DELAY); |
| if (eventSet != null) { // it is not a timeout |
| EventIterator it = eventSet.eventIterator(); |
| while (it.hasNext()) { |
| Event event = it.nextEvent(); |
| if (event instanceof VMDisconnectEvent) { |
| log.complain("TEST FAILED: unexpected VMDisconnectEvent"); |
| break; |
| } else if (event instanceof VMDeathEvent) { |
| log.complain("TEST FAILED: unexpected VMDeathEvent"); |
| break; |
| } else if (event instanceof BreakpointEvent) { |
| if (event.request().equals(BPreq)) { |
| log.display("expected Breakpoint event occured: " |
| + event.toString()); |
| gotEvent = true; |
| return; |
| } |
| } else |
| log.display("following JDI event occured: " |
| + event.toString()); |
| } |
| } |
| } while(waitFor); |
| log.complain("TEST FAILED: no expected Breakpoint event"); |
| tot_res = Consts.TEST_FAILED; |
| } catch (Exception e) { |
| e.printStackTrace(); |
| tot_res = Consts.TEST_FAILED; |
| log.complain("TEST FAILED: caught unexpected exception: " + e); |
| } |
| } |
| } |
| ///////////////////////////////////////////////////////////////////////////// |
| |
| BPreq = setBP(rType, bpLine); |
| BPreq.enable(); |
| CriticalSection critSect = new CriticalSection(); |
| log.display("\nStarting potential timed out section:\n\twaiting " |
| + (argHandler.getWaitTime()) |
| + " minute(s) for JDI Breakpoint event ...\n"); |
| critSect.start(); |
| pipe.println(COMMAND_GO); |
| try { |
| critSect.join((argHandler.getWaitTime())*60000); |
| if (critSect.isAlive()) { |
| critSect.waitFor = false; |
| throw new Failure("timeout occured while waiting for Breakpoint event"); |
| } |
| } catch (InterruptedException e) { |
| critSect.waitFor = false; |
| throw new Failure("TEST INCOMPLETE: InterruptedException occured while waiting for Breakpoint event"); |
| } finally { |
| BPreq.disable(); |
| } |
| log.display("\nPotential timed out section successfully passed\n"); |
| if (gotEvent == false) |
| throw new Failure("unable to suspend debuggee thread at breakpoint"); |
| } |
| |
| private int quitDebuggee() { |
| log.display("Final resumption of debuggee VM"); |
| vm.resume(); |
| pipe.println(COMMAND_QUIT); |
| debuggee.waitFor(); |
| int debStat = debuggee.getStatus(); |
| if (debStat != (Consts.JCK_STATUS_BASE + Consts.TEST_PASSED)) { |
| log.complain("TEST FAILED: debuggee process finished with status: " |
| + debStat); |
| tot_res = Consts.TEST_FAILED; |
| } else |
| log.display("\nDebuggee process finished with the status: " |
| + debStat); |
| |
| return tot_res; |
| } |
| } |