test/hotspot/jtreg/vmTestbase/nsk/jdi/ReferenceType/visibleMethods/visibmethod006.java - platform/libcore - Git at Google

 /*
  * 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.ReferenceType.visibleMethods;

 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
  * <code>com.sun.jdi.ReferenceType.visibleMethods()</code>
  * properly returns an empty method list for arrays (ArrayType) and primitive
  * classes.<p>
  *
  * Debugger part of it attempts to get a list of visible methods in several
  * reference types corresponding to debuggee field values, which themselves
  * are:<br>
  * primitive classes, and arrays of primitive types and classes.
  */
 public class visibmethod006 {
     static final String DEBUGGEE_CLASS =
         "nsk.jdi.ReferenceType.visibleMethods.visibmethod006t";

     // debuggee source line where it should be stopped
     static final int DEBUGGEE_STOPATLINE = 52;

     static final int FLD_NUM = 24;
     // tested fields used to verify the assertion
     static final String DEBUGGEE_FLDS[] = {
         "boolCls",
         "byteCls",
         "charCls",
         "doubleCls",
         "floatCls",
         "intCls",
         "longCls",
         "shortCls",
         "boolArr",
         "byteArr",
         "charArr",
         "doubleArr",
         "floatArr",
         "intArr",
         "longArr",
         "shortArr",
         "boolClsArr",
         "byteClsArr",
         "charClsArr",
         "doubleClsArr",
         "floatClsArr",
         "intClsArr",
         "longClsArr",
         "shortClsArr"
     };

     static final String COMMAND_READY = "ready";
     static final String COMMAND_GO = "go";
     static final String COMMAND_QUIT = "quit";

     static final int DELAY = 500; // in milliseconds

     private ArgumentHandler argHandler;
     private Log log;
     private IOPipe pipe;
     private Debugee debuggee;
     private VirtualMachine vm;
     private volatile int tot_res = Consts.TEST_PASSED;
     private BreakpointRequest BPreq;
     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 visibmethod006().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, "visibmethod006t.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();
         }

         try {
             // debuggee main & dummy classes
             ReferenceType rType = debuggee.classByName(DEBUGGEE_CLASS);

             // suspend debuggee VM at breakpoint
             suspendAtBP(rType, DEBUGGEE_STOPATLINE);

             for (int i=0; i<FLD_NUM; i++) {
                 ReferenceType testedType = null;
                 Value val = rType.getValue(rType.fieldByName(DEBUGGEE_FLDS[i]));

                 if (val.type() instanceof ArrayType)
                     testedType = ((ArrayReference) val).referenceType();
                 else
                     testedType = ((ClassObjectReference) val).reflectedType();

                 // Check the tested assersion
                 try {
                     log.display((i+1) + ") Trying to get a list containing visible methods in the reference type \""
                         + testedType + "\"\tname " + testedType.name()
                         + " ...");
                     List meths = testedType.visibleMethods();
                     if (meths.size() == 0)
                         log.display("CHECK PASSED: returned list is empty as expected");
                     else {
                         log.complain("TEST FAILED: returned list containing visible methods in the reference type \""
                             + testedType + "\"\tname: " + testedType.name()
                             + "\n\tis non-empty and has size: "
                             + meths.size() + "\n\tThe list is: " + meths);
                         tot_res = Consts.TEST_FAILED;
                     }
                 } catch (Exception ue) {
                     ue.printStackTrace();
                     log.complain("TEST FAILED: caught unexpected "
                         + ue + "\n\tinstead of an empty list of visible methods"
                         + "\n\tin the reference type \""
                         + testedType + "\"\tname " + testedType.name());
                     tot_res = Consts.TEST_FAILED;
                 }

             }
         } catch (Exception e) {
             e.printStackTrace();
             log.complain("TEST FAILURE: caught unexpected exception: " + e);
             tot_res = Consts.TEST_FAILED;
         }

 // Finish the test
         return quitDebuggee();
     }

     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);
                     BPreq.setSuspendPolicy(EventRequest.SUSPEND_EVENT_THREAD);
                     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) {

 // 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("\nFinal resumption of the 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;
     }
 }
	/*
	* 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.ReferenceType.visibleMethods;

	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
	* <code>com.sun.jdi.ReferenceType.visibleMethods()</code>
	* properly returns an empty method list for arrays (ArrayType) and primitive
	* classes.<p>
	*
	* Debugger part of it attempts to get a list of visible methods in several
	* reference types corresponding to debuggee field values, which themselves
	* are:<br>
	* primitive classes, and arrays of primitive types and classes.
	*/
	public class visibmethod006 {
	static final String DEBUGGEE_CLASS =
	"nsk.jdi.ReferenceType.visibleMethods.visibmethod006t";

	// debuggee source line where it should be stopped
	static final int DEBUGGEE_STOPATLINE = 52;

	static final int FLD_NUM = 24;
	// tested fields used to verify the assertion
	static final String DEBUGGEE_FLDS[] = {
	"boolCls",
	"byteCls",
	"charCls",
	"doubleCls",
	"floatCls",
	"intCls",
	"longCls",
	"shortCls",
	"boolArr",
	"byteArr",
	"charArr",
	"doubleArr",
	"floatArr",
	"intArr",
	"longArr",
	"shortArr",
	"boolClsArr",
	"byteClsArr",
	"charClsArr",
	"doubleClsArr",
	"floatClsArr",
	"intClsArr",
	"longClsArr",
	"shortClsArr"
	};

	static final String COMMAND_READY = "ready";
	static final String COMMAND_GO = "go";
	static final String COMMAND_QUIT = "quit";

	static final int DELAY = 500; // in milliseconds

	private ArgumentHandler argHandler;
	private Log log;
	private IOPipe pipe;
	private Debugee debuggee;
	private VirtualMachine vm;
	private volatile int tot_res = Consts.TEST_PASSED;
	private BreakpointRequest BPreq;
	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 visibmethod006().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, "visibmethod006t.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();
	}

	try {
	// debuggee main & dummy classes
	ReferenceType rType = debuggee.classByName(DEBUGGEE_CLASS);

	// suspend debuggee VM at breakpoint
	suspendAtBP(rType, DEBUGGEE_STOPATLINE);

	for (int i=0; i<FLD_NUM; i++) {
	ReferenceType testedType = null;
	Value val = rType.getValue(rType.fieldByName(DEBUGGEE_FLDS[i]));

	if (val.type() instanceof ArrayType)
	testedType = ((ArrayReference) val).referenceType();
	else
	testedType = ((ClassObjectReference) val).reflectedType();

	// Check the tested assersion
	try {
	log.display((i+1) + ") Trying to get a list containing visible methods in the reference type \""
	+ testedType + "\"\tname " + testedType.name()
	+ " ...");
	List meths = testedType.visibleMethods();
	if (meths.size() == 0)
	log.display("CHECK PASSED: returned list is empty as expected");
	else {
	log.complain("TEST FAILED: returned list containing visible methods in the reference type \""
	+ testedType + "\"\tname: " + testedType.name()
	+ "\n\tis non-empty and has size: "
	+ meths.size() + "\n\tThe list is: " + meths);
	tot_res = Consts.TEST_FAILED;
	}
	} catch (Exception ue) {
	ue.printStackTrace();
	log.complain("TEST FAILED: caught unexpected "
	+ ue + "\n\tinstead of an empty list of visible methods"
	+ "\n\tin the reference type \""
	+ testedType + "\"\tname " + testedType.name());
	tot_res = Consts.TEST_FAILED;
	}

	}
	} catch (Exception e) {
	e.printStackTrace();
	log.complain("TEST FAILURE: caught unexpected exception: " + e);
	tot_res = Consts.TEST_FAILED;
	}

	// Finish the test
	return quitDebuggee();
	}

	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);
	BPreq.setSuspendPolicy(EventRequest.SUSPEND_EVENT_THREAD);
	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) {

	// 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("\nFinal resumption of the 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;
	}
	}