| /* |
| * Copyright (c) 2002, 2019, 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.ClassUnloadRequest.addClassExclusionFilter; |
| |
| import jdk.test.lib.Utils; |
| import nsk.share.*; |
| import nsk.share.jdi.*; |
| |
| import com.sun.jdi.*; |
| import com.sun.jdi.event.*; |
| import com.sun.jdi.request.*; |
| |
| import java.io.*; |
| |
| /** |
| * Debugger requests <code>ClassUnloadEvent</code> and sets class filter by calling |
| * <code>addClassExclusionFilter</code> with pattern that begins with '*' and ends |
| * with '*'. |
| * |
| * <p> |
| * To excite a class loading/unloading onto debugee, debugeer uses |
| * <code>nsk.share.ClassUnloader</code> and performs it twice : <br> |
| * 1. for pattern that ends with '*' <br> |
| * 2. for pattern that begins with '*' <br> |
| * It is expected: <br> |
| * - in case no events occured, test is considered as passed <br> |
| * - in case classunload event occurs, debugger checks class name to do not match to |
| * pattern. |
| */ |
| public class exclfilter001 { |
| |
| final static String prefix = "nsk.jdi.ClassUnloadRequest.addClassExclusionFilter."; |
| private final static String className = "exclfilter001"; |
| private final static String debuggerName = prefix + className; |
| private final static String debugeeName = debuggerName + "a"; |
| |
| // signals to control working of debugee |
| public final static String SGNL_LOAD = "load"; |
| public final static String SGNL_UNLOAD = "unload"; |
| public final static String SGNL_BREAK = "break"; |
| public final static String SGNL_READY = "ready"; |
| public final static String SGNL_QUIT = "quit"; |
| |
| private static int exitStatus; |
| private static Log log; |
| private static Debugee debugee; |
| private static long waitTime; |
| |
| String[] patterns = { |
| prefix + "Sub*", |
| "*.Superexclfilter002b" |
| }; |
| |
| private static void display(String msg) { |
| log.display("debugger> " + msg); |
| } |
| |
| private static void complain(String msg) { |
| log.complain("debugger> " + msg + "\n"); |
| } |
| |
| public static void main(String argv[]) { |
| System.exit(Consts.JCK_STATUS_BASE + run(argv, System.out)); |
| } |
| |
| public static int run(String argv[], PrintStream out) { |
| |
| exclfilter001 tstObj = new exclfilter001(); |
| |
| ArgumentHandler argHandler = new ArgumentHandler(argv); |
| waitTime = argHandler.getWaitTime(); |
| log = new Log(out, argHandler); |
| |
| debugee = Debugee.prepareDebugee(argHandler, log, debugeeName); |
| tstObj.execTest(); |
| |
| display("execTest finished. exitStatus = " + exitStatus); |
| |
| return exitStatus; |
| } |
| |
| private void execTest() { |
| |
| ClassUnloadRequest request; |
| |
| // when there are no class unload events, test should be considered as PASSED |
| exitStatus = Consts.TEST_PASSED; |
| |
| for (int i = 0; i < patterns.length; i++) { |
| // loading of tested classes |
| display("sending " + SGNL_LOAD); |
| debugee.sendSignal(SGNL_LOAD); |
| debugee.receiveExpectedSignal(SGNL_READY); |
| |
| // unloading of tested classes |
| display("------------------------------------------------"); |
| request = requestClassUnload(patterns[i]); |
| display("================================================"); |
| |
| display("sending " + SGNL_UNLOAD); |
| debugee.sendSignal(SGNL_UNLOAD); |
| debugee.receiveExpectedSignal(SGNL_READY); |
| |
| receiveEvents(patterns[i]); |
| |
| display(""); |
| debugee.getEventRequestManager().deleteEventRequest(request); |
| } |
| |
| display("sending " + SGNL_BREAK); |
| debugee.sendSignal(SGNL_BREAK); |
| debugee.quit(); |
| |
| } |
| |
| private ClassUnloadRequest requestClassUnload(String filter) { |
| display(">>>creating ClassUnloadRequest"); |
| ClassUnloadRequest request = |
| debugee.getEventRequestManager().createClassUnloadRequest(); |
| display("adding exclusion filter :"); |
| display(" <" + filter + ">"); |
| |
| request.addClassExclusionFilter(filter); |
| request.enable(); |
| |
| return request; |
| } |
| |
| private void receiveEvents(String pattern) { |
| EventSet eventSet = null; |
| Event event; |
| long totalWaitTime = Utils.adjustTimeout(waitTime * 10000); |
| long waitTimeout = Utils.adjustTimeout(waitTime * 1000); |
| long begin, delta; |
| int count = 0; |
| boolean exit = false; |
| |
| try { |
| begin = System.currentTimeMillis(); |
| eventSet = debugee.VM().eventQueue().remove(waitTimeout); |
| delta = System.currentTimeMillis() - begin; |
| totalWaitTime -= delta; |
| while (eventSet != null) { |
| EventIterator eventIterator = eventSet.eventIterator(); |
| while (eventIterator.hasNext()) { |
| event = eventIterator.nextEvent(); |
| if (event instanceof ClassUnloadEvent) { |
| if (!analyzeEvents((ClassUnloadEvent )event, pattern)) { |
| display("exiting..."); |
| exit = true; |
| break; |
| } |
| count++; |
| } else if (event instanceof VMDisconnectEvent) { |
| throw new Failure("Unexpected VMDisconnectEvent received"); |
| } |
| } |
| if (totalWaitTime <= 0 || exit) { |
| break; |
| } |
| debugee.resume(); |
| begin = System.currentTimeMillis(); |
| eventSet = debugee.VM().eventQueue().remove(waitTimeout); |
| delta = System.currentTimeMillis() - begin; |
| totalWaitTime -= delta; |
| } |
| } catch(InterruptedException e) { |
| throw new Failure(e); |
| } catch(VMDisconnectedException e) { |
| throw new Failure(e); |
| } |
| |
| if (count==0) { |
| display(""); |
| display("WARNING: No events were arrived"); |
| display(""); |
| } |
| |
| debugee.resume(); |
| } |
| |
| private boolean analyzeEvents(ClassUnloadEvent event, String pattern) { |
| String className; |
| |
| className = event.className(); |
| |
| if (checkMatching(className, pattern)) { |
| complain("***class was excluded***\n " + className); |
| display(""); |
| exitStatus = Consts.TEST_FAILED; |
| return false; |
| } |
| |
| display("OK--> " + className); |
| |
| return true; |
| } |
| |
| private boolean checkMatching(String className, String pattern) { |
| |
| String tmp; |
| int length = pattern.length(); |
| |
| // pattern ends with '*' |
| if (pattern.charAt(length - 1) == '*') { |
| tmp = pattern.substring(0, length -1); |
| return className.indexOf(tmp) == 0; |
| |
| // pattern begins with '*' |
| } else if (pattern.charAt(0) == '*') { |
| tmp = pattern.substring(1); |
| return className.endsWith(tmp); |
| |
| // unsupported pattern |
| } else new TestBug("Wrong pattern <" + pattern + ">"); |
| |
| return false; |
| } |
| |
| } |