| /* |
| * Copyright (c) 2004, 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.jvmti.scenarios.hotswap.HS201; |
| |
| import java.io.PrintStream; |
| |
| import nsk.share.*; |
| import nsk.share.jvmti.*; |
| |
| public class hs201t001 extends DebugeeClass { |
| |
| |
| static final String PACKAGE_NAME = "nsk.jvmti.scenarios.hotswap.HS201"; |
| static final String TESTED_EXCEPTION_NAME = PACKAGE_NAME + ".hs201t001a"; |
| static final String PATH_TO_NEW_BYTECODE = "pathToNewByteCode"; |
| |
| static final String METHOD_NAME = "doInit"; |
| static final int MAX_TRIES_TO_SUSPEND_THREAD = 10; |
| |
| public static volatile int currentStep = 0; |
| public static volatile boolean isInDoInitFunction = false; |
| |
| // run test from command line |
| public static void main(String argv[]) { |
| argv = nsk.share.jvmti.JVMTITest.commonInit(argv); |
| |
| // JCK-compatible exit |
| System.exit(run(argv, System.out) + Consts.JCK_STATUS_BASE); |
| } |
| |
| // run test from JCK-compatible environment |
| public static int run(String argv[], PrintStream out) { |
| return new hs201t001().runIt(argv, out); |
| } |
| |
| /* =================================================================== */ |
| |
| // scaffold objects |
| ArgumentHandler argHandler = null; |
| public static Log log = null; |
| long timeout = 0; |
| int status = Consts.TEST_PASSED; |
| |
| static native void setThread(Thread thread); |
| static native boolean suspendThread(Thread thread); |
| static native boolean resumeThread(Thread thread); |
| static native boolean popFrame(Thread thread); |
| |
| // run debuggee |
| public int runIt(String args[], PrintStream out) { |
| argHandler = new ArgumentHandler(args); |
| log = new Log(out, argHandler); |
| timeout = argHandler.getWaitTime() * 60 * 1000; // milliseconds |
| |
| log.display(">>> starting tested thread"); |
| Thread thread = new hs201t001Thread(); |
| |
| // testing sync |
| status = checkStatus(status); |
| |
| setThread(thread); |
| thread.start(); |
| |
| while (currentStep != 4) { |
| try { |
| Thread.sleep(100); |
| } catch (InterruptedException e) {} |
| } |
| |
| int suspendTry = 1; |
| while ( true ) { |
| suspendThread(thread); |
| |
| log.display("Checking that the thread is inside " + METHOD_NAME); |
| |
| if ( isInDoInitFunction ) { |
| break; |
| } |
| |
| if ( suspendTry > MAX_TRIES_TO_SUSPEND_THREAD ) { |
| log.complain("Unable to suspend thread in method " + METHOD_NAME); |
| status = Consts.TEST_FAILED; |
| break; |
| } |
| |
| log.complain("Thread suspended in a wrong moment. Retrying..."); |
| resumeThread(thread); |
| suspendTry++; |
| } |
| |
| if ( status != Consts.TEST_FAILED ) { |
| log.display("Popping a frame in the test thread"); |
| popFrame(thread); |
| } else { |
| log.complain("Test is going to fail: just resuming the test thread"); |
| resumeThread(thread); |
| } |
| |
| try { |
| log.display("Waiting for the test thread to join"); |
| thread.join(); |
| } catch (InterruptedException e) { |
| } |
| |
| // testing sync |
| log.display("Testing sync: thread finished"); |
| status = checkStatus(status); |
| |
| return status; |
| } |
| |
| class hs201t001Thread extends Thread { |
| |
| hs201t001Thread() { |
| setName("hs201t001Thread"); |
| } |
| |
| public void run() { |
| // run method |
| try { |
| throwException(); |
| } catch (Exception e) { |
| } |
| |
| } |
| |
| void throwException() throws Exception { |
| |
| ClassUnloader unloader = new ClassUnloader(); |
| Class cls = null; |
| String path = argHandler.findOptionValue(PATH_TO_NEW_BYTECODE) |
| + "/newclass"; |
| |
| try { |
| log.display("[debuggee] loading exception..."); |
| unloader.loadClass(TESTED_EXCEPTION_NAME, path); |
| cls = unloader.getLoadedClass(); |
| } catch(ClassNotFoundException e) { |
| e.printStackTrace(); |
| } |
| |
| try { |
| log.display("[debuggee] throwing exception..."); |
| throw (Exception )cls.newInstance(); |
| } catch (InstantiationException e) { |
| } catch (IllegalAccessException e) { |
| } |
| } |
| |
| } |
| |
| } |