test/hotspot/jtreg/vmTestbase/nsk/jdi/EventRequestManager/accessWatchpointRequests/accwtchpreq001.java - platform/libcore - Git at Google

 /*
  * 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.jdi.EventRequestManager.accessWatchpointRequests;

 import com.sun.jdi.Field;
 import com.sun.jdi.ReferenceType;
 import com.sun.jdi.request.AccessWatchpointRequest;
 import com.sun.jdi.request.EventRequestManager;
 import com.sun.jdi.VirtualMachine;
 import com.sun.jdi.VMDisconnectedException;
 import com.sun.jdi.event.*;

 import java.util.Iterator;
 import java.util.List;
 import java.io.*;

 import nsk.share.*;
 import nsk.share.jpda.*;
 import nsk.share.jdi.*;

 /**
  * The test checks that the JDI method
  * <code>com.sun.jdi.request.EventRequestManager.accessWatchpointRequests()</code>
  * properly returns all AccessWatchpointRequest objects when:
  * <li>event requests are disabled
  * <li>event requests are enabled<br>
  * EventHandler was added as workaround for the bug 4430096.
  * This prevents the debugged VM from potential hangup.
  */
 public class accwtchpreq001 {
     public static final int PASSED = 0;
     public static final int FAILED = 2;
     public static final int JCK_STATUS_BASE = 95;
     static final String DEBUGGEE_CLASS =
         "nsk.jdi.EventRequestManager.accessWatchpointRequests.accwtchpreq001t";
     static final String COMMAND_READY = "ready";
     static final String COMMAND_QUIT = "quit";

     static final int FLDS_NUM = 16;
     static final String DEBUGGEE_FLDS[][] = {
         {"byte", "byteFld"},
         {"short", "shortFld"},
         {"int", "intFld"},
         {"long", "longFld"},
         {"float", "floatFld"},
         {"double", "doubleFld"},
         {"char", "charFld"},
         {"boolean", "booleanFld"},
         {"java.lang.String", "strFld"},
         {"short", "sFld"},
         {"byte", "prFld"},
         {"float", "pubFld"},
         {"double", "protFld"},
         {"int", "tFld"},
         {"long", "vFld"},
         {"char", "fFld"}
     };

     private Log log;
     private IOPipe pipe;
     private Debugee debuggee;
     private VirtualMachine vm;
     private EventListener elThread;
     private volatile int tot_res = PASSED;

     public static void main (String argv[]) {
         System.exit(run(argv,System.out) + JCK_STATUS_BASE);
     }

     public static int run(String argv[], PrintStream out) {
         return new accwtchpreq001().runIt(argv, out);
     }

     private int runIt(String args[], PrintStream out) {
         ArgumentHandler argHandler = new ArgumentHandler(args);
         log = new Log(out, argHandler);
         Binder binder = new Binder(argHandler, log);
         ReferenceType rType;
         List fields;
         AccessWatchpointRequest awpRequest[] =
             new AccessWatchpointRequest[FLDS_NUM];
         String cmd;
         int i = 0;

         debuggee = binder.bindToDebugee(DEBUGGEE_CLASS);
         pipe = debuggee.createIOPipe();
         debuggee.redirectStderr(log, "accwtchpreq001t.err> ");
         vm = debuggee.VM();
         EventRequestManager erManager = vm.eventRequestManager();
         debuggee.resume();
         cmd = pipe.readln();
         if (!cmd.equals(COMMAND_READY)) {
             log.complain("TEST BUG: unknown debuggee's command: " + cmd);
             tot_res = FAILED;
             return quitDebuggee();
         }

         if ( !vm.canWatchFieldAccess() ) {
             log.display("  TEST CANCELLED due to:  vm.canWatchFieldAccess() == false");
             return quitDebuggee();
         }

         if ((rType = debuggee.classByName(DEBUGGEE_CLASS)) == null) {
             log.complain("TEST FAILURE: Method Debugee.classByName() returned null");
             tot_res = FAILED;
             return quitDebuggee();
         }

         try {
             fields = rType.allFields();
         } catch (Exception e) {
             log.complain("TEST FAILURE: allFields: " + e);
             tot_res = FAILED;
             return quitDebuggee();
         }
         Iterator iter = fields.iterator();
         while (iter.hasNext()) {
             Field fld = (Field) iter.next();
             log.display("Creating AccessWatchpointRequest for the field "
                 + fld.typeName() + " " + fld.name());
             try {
                 awpRequest[i++] = erManager.createAccessWatchpointRequest(fld);
             } catch (Exception e) {
                 log.complain("TEST FAILURE: createAccessWatchpointRequest: " + e);
                 tot_res = FAILED;
                 return quitDebuggee();
             }
         }
         elThread = new EventListener();
         elThread.start();

 // Check AccessWatchpoint requests when event requests are disabled
         log.display("\n1) Getting AccessWatchpointRequest objects with disabled event requests...");
         checkRequests(erManager, 1);

 // Check AccessWatchpoint requests when event requests are enabled
         for (i=0; i<FLDS_NUM; i++) {
             awpRequest[i].enable();
         }
         log.display("\n2) Getting AccessWatchpointRequest objects with enabled event requests...");
         checkRequests(erManager, 2);

 // Finish the test
         for (i=0; i<FLDS_NUM; i++) {
             awpRequest[i].disable();
         }
         return quitDebuggee();
     }

     private void checkRequests(EventRequestManager erManager, int t_case) {
         List reqL = erManager.accessWatchpointRequests();
         if (reqL.size() != FLDS_NUM) {
             log.complain("TEST CASE #" + t_case + " FAILED: found "
                 + reqL.size()
                 + " AccessWatchpoint requests\n\texpected: " + FLDS_NUM);
             tot_res = FAILED;
             return;
         }
         for (int i=0; i<FLDS_NUM; i++) {
             AccessWatchpointRequest awpReq =
                 (AccessWatchpointRequest) reqL.get(i);
             Field fld = awpReq.field();
             boolean notFound = true;
             for (int j=0; j<FLDS_NUM; j++) {
                 if (fld.name().equals(DEBUGGEE_FLDS[j][1])) {
                     if (!fld.typeName().equals(DEBUGGEE_FLDS[j][0])) {
                         log.complain("TEST CASE #" + t_case
                             + " FAILED: found AccessWatchpoint request for the field "
                             + fld.typeName() + " " + DEBUGGEE_FLDS[j][1]
                             + "\n\texpected field: " + DEBUGGEE_FLDS[j][0]);
                         tot_res = FAILED;
                     } else {
                         log.display("Found expected AccessWatchpoint request for the field "
                             + DEBUGGEE_FLDS[j][0] + " " + DEBUGGEE_FLDS[j][1]);
                     }
                     notFound = false;
                     break;
                 }
             }
             if (notFound) {
                 log.complain("TEST CASE #" + t_case
                     + " FAILED: found unexpected AccessWatchpoint request for the field "
                     + fld.typeName() + " " + fld.name());
                 tot_res = FAILED;
             }
         }
     }

     private int quitDebuggee() {
         if (elThread != null) {
             elThread.isConnected = false;
             try {
                 if (elThread.isAlive())
                     elThread.join();
             } catch (InterruptedException e) {
                 log.complain("TEST INCOMPLETE: caught InterruptedException "
                     + e);
                 tot_res = FAILED;
             }
         }

         pipe.println(COMMAND_QUIT);
         debuggee.waitFor();
         int debStat = debuggee.getStatus();
         if (debStat != (JCK_STATUS_BASE + PASSED)) {
             log.complain("TEST FAILED: debuggee's process finished with status: "
                 + debStat);
             tot_res = FAILED;
         } else
             log.display("Debuggee's process finished with status: "
                 + debStat);

         return tot_res;
     }

     class EventListener extends Thread {
         public volatile boolean isConnected = true;

         public void run() {
             try {
                 do {
                     EventSet eventSet = vm.eventQueue().remove(1000);
                     if (eventSet != null) { // there is not a timeout
                         EventIterator it = eventSet.eventIterator();
                         while (it.hasNext()) {
                             Event event = it.nextEvent();
                             if (event instanceof VMDeathEvent) {
                                 tot_res = FAILED;
                                 isConnected = false;
                                 log.complain("TEST FAILED: unexpected VMDeathEvent");
                             } else if (event instanceof VMDisconnectEvent) {
                                 tot_res = FAILED;
                                 isConnected = false;
                                 log.complain("TEST FAILED: unexpected VMDisconnectEvent");
                             } else
                                 log.display("EventListener: following JDI event occured: "
                                     + event.toString());
                         }
                         if (isConnected) {
                             eventSet.resume();
                         }
                     }
                 } while (isConnected);
             } catch (InterruptedException e) {
                 tot_res = FAILED;
                 log.complain("FAILURE in EventListener: caught unexpected "
                     + e);
             } catch (VMDisconnectedException e) {
                 tot_res = FAILED;
                 log.complain("FAILURE in EventListener: caught unexpected "
                     + e);
                 e.printStackTrace();
             }
             log.display("EventListener: exiting");
         }
     }
 }
	/*
	* 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.jdi.EventRequestManager.accessWatchpointRequests;

	import com.sun.jdi.Field;
	import com.sun.jdi.ReferenceType;
	import com.sun.jdi.request.AccessWatchpointRequest;
	import com.sun.jdi.request.EventRequestManager;
	import com.sun.jdi.VirtualMachine;
	import com.sun.jdi.VMDisconnectedException;
	import com.sun.jdi.event.*;

	import java.util.Iterator;
	import java.util.List;
	import java.io.*;

	import nsk.share.*;
	import nsk.share.jpda.*;
	import nsk.share.jdi.*;

	/**
	* The test checks that the JDI method
	* <code>com.sun.jdi.request.EventRequestManager.accessWatchpointRequests()</code>
	* properly returns all AccessWatchpointRequest objects when:
	* <li>event requests are disabled
	* <li>event requests are enabled<br>
	* EventHandler was added as workaround for the bug 4430096.
	* This prevents the debugged VM from potential hangup.
	*/
	public class accwtchpreq001 {
	public static final int PASSED = 0;
	public static final int FAILED = 2;
	public static final int JCK_STATUS_BASE = 95;
	static final String DEBUGGEE_CLASS =
	"nsk.jdi.EventRequestManager.accessWatchpointRequests.accwtchpreq001t";
	static final String COMMAND_READY = "ready";
	static final String COMMAND_QUIT = "quit";

	static final int FLDS_NUM = 16;
	static final String DEBUGGEE_FLDS[][] = {
	{"byte", "byteFld"},
	{"short", "shortFld"},
	{"int", "intFld"},
	{"long", "longFld"},
	{"float", "floatFld"},
	{"double", "doubleFld"},
	{"char", "charFld"},
	{"boolean", "booleanFld"},
	{"java.lang.String", "strFld"},
	{"short", "sFld"},
	{"byte", "prFld"},
	{"float", "pubFld"},
	{"double", "protFld"},
	{"int", "tFld"},
	{"long", "vFld"},
	{"char", "fFld"}
	};

	private Log log;
	private IOPipe pipe;
	private Debugee debuggee;
	private VirtualMachine vm;
	private EventListener elThread;
	private volatile int tot_res = PASSED;

	public static void main (String argv[]) {
	System.exit(run(argv,System.out) + JCK_STATUS_BASE);
	}

	public static int run(String argv[], PrintStream out) {
	return new accwtchpreq001().runIt(argv, out);
	}

	private int runIt(String args[], PrintStream out) {
	ArgumentHandler argHandler = new ArgumentHandler(args);
	log = new Log(out, argHandler);
	Binder binder = new Binder(argHandler, log);
	ReferenceType rType;
	List fields;
	AccessWatchpointRequest awpRequest[] =
	new AccessWatchpointRequest[FLDS_NUM];
	String cmd;
	int i = 0;

	debuggee = binder.bindToDebugee(DEBUGGEE_CLASS);
	pipe = debuggee.createIOPipe();
	debuggee.redirectStderr(log, "accwtchpreq001t.err> ");
	vm = debuggee.VM();
	EventRequestManager erManager = vm.eventRequestManager();
	debuggee.resume();
	cmd = pipe.readln();
	if (!cmd.equals(COMMAND_READY)) {
	log.complain("TEST BUG: unknown debuggee's command: " + cmd);
	tot_res = FAILED;
	return quitDebuggee();
	}

	if ( !vm.canWatchFieldAccess() ) {
	log.display(" TEST CANCELLED due to: vm.canWatchFieldAccess() == false");
	return quitDebuggee();
	}

	if ((rType = debuggee.classByName(DEBUGGEE_CLASS)) == null) {
	log.complain("TEST FAILURE: Method Debugee.classByName() returned null");
	tot_res = FAILED;
	return quitDebuggee();
	}

	try {
	fields = rType.allFields();
	} catch (Exception e) {
	log.complain("TEST FAILURE: allFields: " + e);
	tot_res = FAILED;
	return quitDebuggee();
	}
	Iterator iter = fields.iterator();
	while (iter.hasNext()) {
	Field fld = (Field) iter.next();
	log.display("Creating AccessWatchpointRequest for the field "
	+ fld.typeName() + " " + fld.name());
	try {
	awpRequest[i++] = erManager.createAccessWatchpointRequest(fld);
	} catch (Exception e) {
	log.complain("TEST FAILURE: createAccessWatchpointRequest: " + e);
	tot_res = FAILED;
	return quitDebuggee();
	}
	}
	elThread = new EventListener();
	elThread.start();

	// Check AccessWatchpoint requests when event requests are disabled
	log.display("\n1) Getting AccessWatchpointRequest objects with disabled event requests...");
	checkRequests(erManager, 1);

	// Check AccessWatchpoint requests when event requests are enabled
	for (i=0; i<FLDS_NUM; i++) {
	awpRequest[i].enable();
	}
	log.display("\n2) Getting AccessWatchpointRequest objects with enabled event requests...");
	checkRequests(erManager, 2);

	// Finish the test
	for (i=0; i<FLDS_NUM; i++) {
	awpRequest[i].disable();
	}
	return quitDebuggee();
	}

	private void checkRequests(EventRequestManager erManager, int t_case) {
	List reqL = erManager.accessWatchpointRequests();
	if (reqL.size() != FLDS_NUM) {
	log.complain("TEST CASE #" + t_case + " FAILED: found "
	+ reqL.size()
	+ " AccessWatchpoint requests\n\texpected: " + FLDS_NUM);
	tot_res = FAILED;
	return;
	}
	for (int i=0; i<FLDS_NUM; i++) {
	AccessWatchpointRequest awpReq =
	(AccessWatchpointRequest) reqL.get(i);
	Field fld = awpReq.field();
	boolean notFound = true;
	for (int j=0; j<FLDS_NUM; j++) {
	if (fld.name().equals(DEBUGGEE_FLDS[j][1])) {
	if (!fld.typeName().equals(DEBUGGEE_FLDS[j][0])) {
	log.complain("TEST CASE #" + t_case
	+ " FAILED: found AccessWatchpoint request for the field "
	+ fld.typeName() + " " + DEBUGGEE_FLDS[j][1]
	+ "\n\texpected field: " + DEBUGGEE_FLDS[j][0]);
	tot_res = FAILED;
	} else {
	log.display("Found expected AccessWatchpoint request for the field "
	+ DEBUGGEE_FLDS[j][0] + " " + DEBUGGEE_FLDS[j][1]);
	}
	notFound = false;
	break;
	}
	}
	if (notFound) {
	log.complain("TEST CASE #" + t_case
	+ " FAILED: found unexpected AccessWatchpoint request for the field "
	+ fld.typeName() + " " + fld.name());
	tot_res = FAILED;
	}
	}
	}

	private int quitDebuggee() {
	if (elThread != null) {
	elThread.isConnected = false;
	try {
	if (elThread.isAlive())
	elThread.join();
	} catch (InterruptedException e) {
	log.complain("TEST INCOMPLETE: caught InterruptedException "
	+ e);
	tot_res = FAILED;
	}
	}

	pipe.println(COMMAND_QUIT);
	debuggee.waitFor();
	int debStat = debuggee.getStatus();
	if (debStat != (JCK_STATUS_BASE + PASSED)) {
	log.complain("TEST FAILED: debuggee's process finished with status: "
	+ debStat);
	tot_res = FAILED;
	} else
	log.display("Debuggee's process finished with status: "
	+ debStat);

	return tot_res;
	}

	class EventListener extends Thread {
	public volatile boolean isConnected = true;

	public void run() {
	try {
	do {
	EventSet eventSet = vm.eventQueue().remove(1000);
	if (eventSet != null) { // there is not a timeout
	EventIterator it = eventSet.eventIterator();
	while (it.hasNext()) {
	Event event = it.nextEvent();
	if (event instanceof VMDeathEvent) {
	tot_res = FAILED;
	isConnected = false;
	log.complain("TEST FAILED: unexpected VMDeathEvent");
	} else if (event instanceof VMDisconnectEvent) {
	tot_res = FAILED;
	isConnected = false;
	log.complain("TEST FAILED: unexpected VMDisconnectEvent");
	} else
	log.display("EventListener: following JDI event occured: "
	+ event.toString());
	}
	if (isConnected) {
	eventSet.resume();
	}
	}
	} while (isConnected);
	} catch (InterruptedException e) {
	tot_res = FAILED;
	log.complain("FAILURE in EventListener: caught unexpected "
	+ e);
	} catch (VMDisconnectedException e) {
	tot_res = FAILED;
	log.complain("FAILURE in EventListener: caught unexpected "
	+ e);
	e.printStackTrace();
	}
	log.display("EventListener: exiting");
	}
	}
	}