| /* |
| * Copyright (c) 2001, 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.jdwp.Event.CLASS_UNLOAD; |
| |
| import java.io.*; |
| |
| import nsk.share.*; |
| import nsk.share.jpda.*; |
| import nsk.share.jdwp.*; |
| |
| /** |
| * Test for JDWP event: CLASS_UNLOAD. |
| * |
| * See clsunload001.README for description of test execution. |
| * |
| * This class represents debugger part of the test. |
| * Test is executed by invoking method runIt(). |
| * JDWP event is tested in the method waitForTestedEvent(). |
| * |
| * @see #runIt() |
| * @see #waitForTestedEvent() |
| */ |
| public class clsunload001 { |
| |
| // exit status constants |
| static final int JCK_STATUS_BASE = 95; |
| static final int PASSED = 0; |
| static final int FAILED = 2; |
| |
| // package and classes names constants |
| static final String PACKAGE_NAME = "nsk.jdwp.Event.CLASS_UNLOAD"; |
| static final String TEST_CLASS_NAME = PACKAGE_NAME + "." + "clsunload001"; |
| static final String DEBUGEE_CLASS_NAME = TEST_CLASS_NAME + "a"; |
| |
| // tested JDWP event constants |
| static final byte TESTED_EVENT_KIND = JDWP.EventKind.CLASS_UNLOAD; |
| static final byte TESTED_EVENT_SUSPEND_POLICY = JDWP.SuspendPolicy.ALL; |
| |
| // name and signature of the tested class |
| static final String TESTED_CLASS_NAME = DEBUGEE_CLASS_NAME + "$" + "TestedClass"; |
| static final String TESTED_CLASS_SIGNATURE = "L" + TESTED_CLASS_NAME.replace('.', '/') + ";"; |
| |
| // usual scaffold objects |
| ArgumentHandler argumentHandler = null; |
| Log log = null; |
| Binder binder = null; |
| Debugee debugee = null; |
| Transport transport = null; |
| int waitTime = 0; // minutes |
| long timeout = 0; // milliseconds |
| boolean dead = false; |
| boolean success = true; |
| |
| // obtained data |
| int eventRequestID = 0; |
| |
| // ------------------------------------------------------------------- |
| |
| /** |
| * Start test from command line. |
| */ |
| public static void main(String argv[]) { |
| System.exit(run(argv,System.out) + JCK_STATUS_BASE); |
| } |
| |
| /** |
| * Start test from JCK-compilant environment. |
| */ |
| public static int run(String argv[], PrintStream out) { |
| return new clsunload001().runIt(argv, out); |
| } |
| |
| // ------------------------------------------------------------------- |
| |
| /** |
| * Perform test execution. |
| */ |
| public int runIt(String argv[], PrintStream out) { |
| |
| // make log for debugger messages |
| argumentHandler = new ArgumentHandler(argv); |
| log = new Log(out, argumentHandler); |
| waitTime = argumentHandler.getWaitTime(); |
| timeout = waitTime * 60 * 1000; |
| |
| // execute test and display results |
| try { |
| log.display("\n>>> Starting debugee \n"); |
| |
| // launch debuggee |
| binder = new Binder(argumentHandler, log); |
| log.display("Launching debugee"); |
| debugee = binder.bindToDebugee(DEBUGEE_CLASS_NAME); |
| transport = debugee.getTransport(); |
| log.display(" ... debugee launched"); |
| log.display(""); |
| |
| // set timeout for debuggee responces |
| log.display("Setting timeout for debuggee responces: " + waitTime + " minute(s)"); |
| transport.setReadTimeout(timeout); |
| log.display(" ... timeout set"); |
| |
| // wait for debuggee started |
| log.display("Waiting for VM_INIT event"); |
| debugee.waitForVMInit(); |
| log.display(" ... VM_INIT event received"); |
| |
| // query debugee for VM-dependent ID sizes |
| log.display("Querying for IDSizes"); |
| debugee.queryForIDSizes(); |
| log.display(" ... size of VM-dependent types adjusted"); |
| |
| // make request for CLASS_UNLOAD event |
| log.display("\n>>> Making request for tested event \n"); |
| |
| log.display("Making request for CLASS_UNLOAD event for class:\n\t" |
| + TESTED_CLASS_NAME); |
| requestTestedEvent(); |
| log.display(" ... got requestID: " + eventRequestID); |
| |
| log.display("Resumindg debuggee"); |
| debugee.resume(); |
| log.display(" ... debuggee resumed"); |
| |
| // wait for tested CLASS_UNLOAD event |
| log.display("\n>>> Testing JDWP event \n"); |
| waitForTestedEvent(); |
| |
| if (!dead) { |
| // clear tested request for CLASS_UNLOAD event |
| log.display("\n>>> Clearing request for tested event \n"); |
| clearTestedRequest(); |
| |
| // finish debuggee after testing |
| log.display("\n>>> Finishing debuggee \n"); |
| |
| // resume debuggee |
| log.display("Resuming debuggee"); |
| debugee.resume(); |
| log.display(" ... debuggee resumed"); |
| |
| // wait for debuggee exited |
| log.display("Waiting for VM_DEATH event"); |
| debugee.waitForVMDeath(); |
| dead = true; |
| log.display(" ... VM_DEATH event received"); |
| } |
| |
| } catch (Failure e) { |
| log.complain("TEST FAILED: " + e.getMessage()); |
| success = false; |
| } catch (Exception e) { |
| e.printStackTrace(out); |
| log.complain("Caught unexpected exception while running the test:\n\t" + e); |
| success = false; |
| } finally { |
| // quit debugee |
| log.display("\n>>> Finishing test \n"); |
| quitDebugee(); |
| } |
| |
| // check test results |
| if (!success) { |
| log.complain("TEST FAILED"); |
| return FAILED; |
| } |
| |
| out.println("TEST PASSED"); |
| return PASSED; |
| |
| } |
| |
| /** |
| * Make request for tested CLASS_UNLOAD event. |
| */ |
| void requestTestedEvent() { |
| Failure failure = new Failure("Error occured while makind request for tested event"); |
| |
| // create command packet and fill requred out data |
| log.display("Create command packet: " + "EventRequest.Set"); |
| CommandPacket command = new CommandPacket(JDWP.Command.EventRequest.Set); |
| log.display(" eventKind: " + TESTED_EVENT_KIND); |
| command.addByte(TESTED_EVENT_KIND); |
| log.display(" eventPolicy: " + TESTED_EVENT_SUSPEND_POLICY); |
| command.addByte(TESTED_EVENT_SUSPEND_POLICY); |
| log.display(" modifiers: " + 1); |
| command.addInt(1); |
| log.display(" modKind: " + JDWP.EventModifierKind.CLASS_MATCH); |
| command.addByte(JDWP.EventModifierKind.CLASS_MATCH); |
| log.display(" classPattern: " + TESTED_CLASS_NAME); |
| command.addString(TESTED_CLASS_NAME); |
| command.setLength(); |
| log.display(" ... command packet composed"); |
| |
| // send command packet to debugee |
| try { |
| log.display("Sending command packet:\n" + command); |
| transport.write(command); |
| log.display(" ... command packet sent"); |
| } catch (IOException e) { |
| log.complain("Unable to send command packet:\n\t" + e); |
| success = false; |
| throw failure; |
| } |
| |
| ReplyPacket reply = new ReplyPacket(); |
| |
| // receive reply packet from debugee |
| try { |
| log.display("Waiting for reply packet"); |
| transport.read(reply); |
| log.display(" ... packet received:\n" + reply); |
| } catch (IOException e) { |
| log.complain("Unable to read reply packet:\n\t" + e); |
| success = false; |
| throw failure; |
| } |
| |
| // check reply packet header |
| try{ |
| log.display("Checking header of reply packet"); |
| reply.checkHeader(command.getPacketID()); |
| log.display(" .. packet header is correct"); |
| } catch (BoundException e) { |
| log.complain("Bad header of reply packet:\n\t" + e.getMessage()); |
| success = false; |
| throw failure; |
| } |
| |
| // start parsing reply packet data |
| log.display("Parsing reply packet:"); |
| reply.resetPosition(); |
| |
| // extract requestID |
| int requestID = 0; |
| try { |
| requestID = reply.getInt(); |
| log.display(" requestID: " + requestID); |
| } catch (BoundException e) { |
| log.complain("Unable to extract requestID from request reply packet:\n\t" |
| + e.getMessage()); |
| success = false; |
| throw failure; |
| } |
| |
| // check requestID |
| if (requestID == 0) { |
| log.complain("Unexpected null requestID returned: " + requestID); |
| success = false; |
| throw failure; |
| } |
| |
| eventRequestID = requestID; |
| |
| // check for extra data in reply packet |
| if (!reply.isParsed()) { |
| log.complain("Extra trailing bytes found in request reply packet at: " |
| + reply.offsetString()); |
| success = false; |
| } |
| |
| log.display(" ... reply packet parsed"); |
| } |
| |
| /** |
| * Clear request for tested CLASS_UNLOAD event. |
| */ |
| void clearTestedRequest() { |
| Failure failure = new Failure("Error occured while clearing request for tested event"); |
| |
| // create command packet and fill requred out data |
| log.display("Create command packet: " + "EventRequest.Clear"); |
| CommandPacket command = new CommandPacket(JDWP.Command.EventRequest.Clear); |
| log.display(" event: " + TESTED_EVENT_KIND); |
| command.addByte(TESTED_EVENT_KIND); |
| log.display(" requestID: " + eventRequestID); |
| command.addInt(eventRequestID); |
| log.display(" ... command packet composed"); |
| |
| // send command packet to debugee |
| try { |
| log.display("Sending command packet:\n" + command); |
| transport.write(command); |
| log.display(" ... command packet sent"); |
| } catch (IOException e) { |
| log.complain("Unable to send command packet:\n\t" + e); |
| success = false; |
| throw failure; |
| } |
| |
| ReplyPacket reply = new ReplyPacket(); |
| |
| // receive reply packet from debugee |
| try { |
| log.display("Waiting for reply packet"); |
| transport.read(reply); |
| log.display(" ... packet received:\n" + reply); |
| } catch (IOException e) { |
| log.complain("Unable to read reply packet:\n\t" + e); |
| success = false; |
| throw failure; |
| } |
| |
| // check reply packet header |
| try{ |
| log.display("Checking header of reply packet"); |
| reply.checkHeader(command.getPacketID()); |
| log.display(" .. packet header is correct"); |
| } catch (BoundException e) { |
| log.complain("Bad header of reply packet:\n\t" + e.getMessage()); |
| success = false; |
| throw failure; |
| } |
| |
| // start parsing reply packet data |
| log.display("Parsing reply packet:"); |
| reply.resetPosition(); |
| |
| log.display(" no data"); |
| |
| // check for extra data in reply packet |
| if (!reply.isParsed()) { |
| log.complain("Extra trailing bytes found in request reply packet at: " |
| + reply.offsetString()); |
| success = false; |
| } |
| |
| log.display(" ... reply packet parsed"); |
| } |
| |
| /** |
| * Wait for tested CLASS_UNLOAD event. |
| */ |
| void waitForTestedEvent() { |
| |
| EventPacket eventPacket = null; |
| |
| // receive reply packet from debugee |
| try { |
| log.display("Waiting for event packet (for " + timeout + "ms timeout)"); |
| eventPacket = debugee.getEventPacket(timeout); |
| log.display(" ... event packet received:\n" + eventPacket); |
| } catch (IOException e) { |
| log.complain("Unable to read tested event packet:\n\t" + e); |
| success = false; |
| return; |
| } |
| |
| // check reply packet header |
| try{ |
| log.display("Checking header of event packet"); |
| eventPacket.checkHeader(); |
| log.display(" ... packet header is correct"); |
| } catch (BoundException e) { |
| log.complain("Bad header of tested event packet:\n\t" |
| + e.getMessage()); |
| success = false; |
| return; |
| } |
| |
| // start parsing reply packet data |
| log.display("Parsing event packet:"); |
| eventPacket.resetPosition(); |
| |
| // get suspendPolicy value |
| byte suspendPolicy = 0; |
| try { |
| suspendPolicy = eventPacket.getByte(); |
| log.display(" suspendPolicy: " + suspendPolicy); |
| } catch (BoundException e) { |
| log.complain("Unable to get suspendPolicy value from tested event packet:\n\t" |
| + e.getMessage()); |
| success = false; |
| return; |
| } |
| |
| // get events count |
| int events = 0; |
| try { |
| events = eventPacket.getInt(); |
| log.display(" events: " + events); |
| } catch (BoundException e) { |
| log.complain("Unable to get events count from tested event packet:\n\t" |
| + e.getMessage()); |
| success = false; |
| return; |
| } |
| |
| // check events count |
| if (events < 0) { |
| log.complain("Negative value of events number in tested event packet: " + |
| events + " (expected: " + 1 + ")"); |
| success = false; |
| } else if (events != 1) { |
| log.complain("Invalid number of events in tested event packet: " + |
| events + " (expected: " + 1 + ")"); |
| success = false; |
| } |
| |
| // extract each event |
| for (int i = 0; i < events; i++) { |
| log.display(" event #" + i + ":"); |
| |
| // get eventKind |
| byte eventKind = 0; |
| try { |
| eventKind = eventPacket.getByte(); |
| log.display(" eventKind: " + eventKind); |
| } catch (BoundException e) { |
| log.complain("Unable to get eventKind of event #" + i + " from tested event packet:\n\t" |
| + e.getMessage()); |
| success = false; |
| return; |
| } |
| |
| // check if VM_DEATH event |
| if (eventKind == JDWP.EventKind.VM_DEATH) { |
| log.display("Got VM_DEATH event while waiting for tested event"); |
| dead = true; |
| log.println("No CLASS_UNLOAD event occured at all so treat test as PASSED"); |
| return; |
| } |
| |
| // check eventKind |
| if (eventKind != JDWP.EventKind.CLASS_UNLOAD) { |
| log.complain("Unexpected eventKind of event " + i + " in tested event packet: " + |
| eventKind + " (expected: " + JDWP.EventKind.CLASS_UNLOAD + ")"); |
| success = false; |
| return; |
| } |
| |
| // check suspendPolicy value |
| if (suspendPolicy != TESTED_EVENT_SUSPEND_POLICY) { |
| log.complain("Unexpected SuspendPolicy in tested event packet: " + |
| suspendPolicy + " (expected: " + TESTED_EVENT_SUSPEND_POLICY + ")"); |
| success = false; |
| } |
| |
| // get requestID |
| int requestID = 0; |
| try { |
| requestID = eventPacket.getInt(); |
| log.display(" requestID: " + requestID); |
| } catch (BoundException e) { |
| log.complain("Unable to get requestID of event #" + i + " from tested event packet:\n\t" |
| + e.getMessage()); |
| success = false; |
| return; |
| } |
| |
| // check requestID |
| if (requestID != eventRequestID) { |
| log.complain("Unexpected requestID of event " + i + " in tested event packet: " + |
| requestID + " (expected: " + eventRequestID + ")"); |
| success = false; |
| } |
| |
| // get signature |
| String signature = null; |
| try { |
| signature = eventPacket.getString(); |
| log.display(" signature: " + signature); |
| } catch (BoundException e) { |
| log.complain("Unable to get class signature of event #" + i + " from tested event packet:\n\t" |
| + e.getMessage()); |
| success = false; |
| return; |
| } |
| |
| // check signature |
| if (!signature.equals(TESTED_CLASS_SIGNATURE)) { |
| log.complain("Unexpected class signature of event " + i + " in tested event packet: " + |
| signature + " (expected: " + TESTED_CLASS_SIGNATURE + ")"); |
| success = false; |
| } |
| } |
| |
| // check for extra data in event packet |
| if (!eventPacket.isParsed()) { |
| log.complain("Extra trailing bytes found in event packet at: " |
| + eventPacket.offsetString()); |
| success = false; |
| } |
| |
| log.display(" ... event packet parsed"); |
| } |
| |
| /** |
| * Disconnect debuggee and wait for it exited. |
| */ |
| void quitDebugee() { |
| if (debugee == null) |
| return; |
| |
| // disconnect debugee |
| if (!dead) { |
| try { |
| log.display("Disconnecting debuggee"); |
| debugee.dispose(); |
| log.display(" ... debuggee disconnected"); |
| } catch (Failure e) { |
| log.display("Failed to finally disconnect debuggee:\n\t" |
| + e.getMessage()); |
| } |
| } |
| |
| // wait for debugee exited |
| log.display("Waiting for debuggee exit"); |
| int code = debugee.waitFor(); |
| log.display(" ... debuggee exited with exit code: " + code); |
| |
| // analize debugee exit status code |
| if (code != JCK_STATUS_BASE + PASSED) { |
| log.complain("Debuggee FAILED with exit code: " + code); |
| success = false; |
| } |
| } |
| |
| } |