448 lines
19 KiB
Java
448 lines
19 KiB
Java
/*
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* Copyright (c) 2002, 2023, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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package nsk.jdi.ThreadReference.stop;
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import com.sun.jdi.*;
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import com.sun.jdi.event.*;
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import com.sun.jdi.request.*;
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import java.util.*;
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import java.io.*;
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import nsk.share.*;
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import nsk.share.jpda.*;
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import nsk.share.jdi.*;
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/**
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* The test checks that the JDI method:<br><code>com.sun.jdi.ThreadReference.stop()</code><br>
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* behaves properly in various situations. It consists of 5 subtests.
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*
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* TEST #1: Tests that stop() properly throws <i>InvalidTypeException</i> if
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* specified throwable is not an instance of java.lang.Throwable in the target VM.<p>
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*
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* TEST #2: Verify that stop() works when suspended at a breakpoint.
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*
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* TEST #3: Verify that stop() works when not suspended in a loop. For virtual threads
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* we expect an IncompatibleThreadStateException.
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*
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* TEST #4: Verify that stop() works when suspended in a loop.
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*
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* TEST #5: Verify that stop() works when suspended in Thread.sleep(). For virtual
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* threads we expect an OpaqueFrameException.
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*/
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public class stop002 {
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static final String DEBUGGEE_CLASS =
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"nsk.jdi.ThreadReference.stop.stop002t";
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// names of debuggee main thread
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static final String DEBUGGEE_THRNAME = "stop002tThr";
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// debuggee local var used to find needed non-throwable object
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static final String DEBUGGEE_NON_THROWABLE_VAR= "stop002tNonThrowable";
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// debuggee local var used to find needed throwable object
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static final String DEBUGGEE_THROWABLE_VAR = "stop002tThrowable";
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// debuggee fields used to indicate to exit infinite loops
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static final String DEBUGGEE_STOP_LOOP1_FIELD = "stopLooping1";
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static final String DEBUGGEE_STOP_LOOP2_FIELD = "stopLooping2";
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// debuggee source line where it should be stopped
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static final int DEBUGGEE_STOPATLINE = 88;
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static final int DELAY = 500; // in milliseconds
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static final String COMMAND_READY = "ready";
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static final String COMMAND_GO = "go";
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static final String COMMAND_QUIT = "quit";
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static final boolean vthreadMode = "Virtual".equals(System.getProperty("test.thread.factory"));
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private ArgumentHandler argHandler;
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private Log log;
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private IOPipe pipe;
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private Debugee debuggee;
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private VirtualMachine vm;
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private BreakpointRequest BPreq;
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private ReferenceType mainClass;
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private volatile int tot_res = Consts.TEST_PASSED;
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private volatile boolean gotEvent = false;
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public static void main (String argv[]) {
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System.exit(run(argv,System.out) + Consts.JCK_STATUS_BASE);
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}
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public static int run(String argv[], PrintStream out) {
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return new stop002().runIt(argv, out);
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}
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private int runIt(String args[], PrintStream out) {
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argHandler = new ArgumentHandler(args);
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log = new Log(out, argHandler);
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Binder binder = new Binder(argHandler, log);
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debuggee = binder.bindToDebugee(DEBUGGEE_CLASS);
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pipe = debuggee.createIOPipe();
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vm = debuggee.VM();
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debuggee.redirectStderr(log, "stop002t.err> ");
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debuggee.resume();
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String cmd = pipe.readln();
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if (!cmd.equals(COMMAND_READY)) {
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log.complain("TEST BUG: unknown debuggee command: " + cmd);
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tot_res = Consts.TEST_FAILED;
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return quitDebuggee();
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}
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ThreadReference thrRef = debuggee.threadByName(DEBUGGEE_THRNAME);
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if (thrRef == null) {
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log.complain("TEST FAILURE: method Debugee.threadByName() returned null for debuggee thread "
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+ DEBUGGEE_THRNAME);
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tot_res = Consts.TEST_FAILED;
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return quitDebuggee();
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}
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Field stopLoop1 = null;
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Field stopLoop2 = null;
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ObjectReference objRef = null;
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ObjectReference throwableRef = null;
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try {
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// debuggee main class
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mainClass = debuggee.classByName(DEBUGGEE_CLASS);
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suspendAtBP(mainClass, DEBUGGEE_STOPATLINE);
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objRef = findObjRef(thrRef, DEBUGGEE_NON_THROWABLE_VAR);
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throwableRef = findObjRef(thrRef, DEBUGGEE_THROWABLE_VAR);
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// These fields are used to indicate that debuggee has to stop looping
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stopLoop1 = mainClass.fieldByName(DEBUGGEE_STOP_LOOP1_FIELD);
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stopLoop2 = mainClass.fieldByName(DEBUGGEE_STOP_LOOP2_FIELD);
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if (stopLoop1 == null || stopLoop2 == null) {
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throw new RuntimeException("Failed to find a \"stop loop\" field");
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}
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log.display("non-throwable object: \"" + objRef + "\"");
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log.display("throwable object: \"" + throwableRef + "\"");
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log.display("debuggee thread: \"" + thrRef + "\"");
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/*
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* Test #1: verify using a non-throwable object with stop() fails appropriately.
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*/
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log.display("\nTEST #1: Trying to stop debuggee thread using non-throwable object.");
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try {
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thrRef.stop(objRef); // objRef is an instance of the debuggee class, not a Throwable
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log.complain("TEST #1 FAILED: expected InvalidTypeException was not thrown");
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tot_res = Consts.TEST_FAILED;
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} catch (InvalidTypeException ee) {
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log.display("TEST #1 PASSED: caught expected " + ee);
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} catch (Exception ue) {
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ue.printStackTrace();
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log.complain("TEST #1 FAILED: caught unexpected " + ue + "instead of InvalidTypeException");
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tot_res = Consts.TEST_FAILED;
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}
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log.display("TEST #1: all done.");
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/*
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* Test #2: verify that stop() works when suspended at a breakpoint.
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*/
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log.display("\nTEST #2: Trying to stop debuggee thread while suspended at a breakpoint.");
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try {
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thrRef.stop(throwableRef);
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log.display("TEST #2 PASSED: stop() call succeeded.");
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} catch (Exception ue) {
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ue.printStackTrace();
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log.complain("TEST #2 FAILED: caught unexpected " + ue);
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tot_res = Consts.TEST_FAILED;
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}
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log.display("TEST #2: Resuming debuggee VM to allow async exception to be handled");
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vm.resume();
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log.display("TEST #2: all done.");
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/*
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* Test #3: verify that stop() works when not suspended in a loop. Expect
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* IllegalThreadStateException for virtual threads.
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*/
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log.display("\nTEST #3: Trying to stop debuggee thread while not suspended in a loop.");
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waitForTestReady(3);
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try {
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thrRef.stop(throwableRef);
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if (vthreadMode) {
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log.complain("TEST #3 FAILED: expected IllegalThreadStateException"
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+ " was not thrown for virtual thread");
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tot_res = Consts.TEST_FAILED;
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} else {
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log.display("TEST #3 PASSED: stop() call succeeded.");
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}
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} catch (Exception ue) {
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if (vthreadMode && ue instanceof IllegalThreadStateException) {
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log.display("TEST #3 PASSED: stop() call threw IllegalThreadStateException"
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+ " for virtual thread");
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} else {
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ue.printStackTrace();
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log.complain("TEST #3 FAILED: caught unexpected " + ue);
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tot_res = Consts.TEST_FAILED;
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}
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} finally {
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// Force the debuggee out of the loop. Not really needed if the stop() call
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// successfully threw the async exception, but it's easier to just always do this.
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log.display("TEST #3: clearing loop flag.");
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objRef.setValue(stopLoop1, vm.mirrorOf(true));
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}
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log.display("TEST #3: all done.");
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/*
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* Test #4: verify that stop() works when suspended in a loop
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*/
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log.display("\nTEST #4: Trying to stop debuggee thread while suspended in a loop.");
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waitForTestReady(4);
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try {
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thrRef.suspend();
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log.display("TEST #4: thread is suspended.");
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thrRef.stop(throwableRef);
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log.display("TEST #4 PASSED: stop() call succeeded.");
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} catch (Throwable ue) {
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ue.printStackTrace();
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log.complain("TEST #4 FAILED: caught unexpected " + ue);
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tot_res = Consts.TEST_FAILED;
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} finally {
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log.display("TEST #4: resuming thread.");
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thrRef.resume();
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// Force the debuggee out of the loop. Not really needed if the stop() call
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// successfully threw the async exception, but it's easier to just always do this.
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log.display("TEST #4: clearing loop flag.");
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objRef.setValue(stopLoop2, vm.mirrorOf(true));
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}
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log.display("TEST #4: all done.");
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/*
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* Test #5: verify that stop() works when suspended in Thread.sleep(). Expect
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* OpaqueFrameException for virtual threads.
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*/
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log.display("\nTEST #5: Trying to stop debuggee thread while suspended in Thread.sleep().");
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waitForTestReady(5);
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// Allow debuggee to reach Thread.sleep() first.
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log.display("TEST #5: waiting for debuggee to sleep...");
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while (true) {
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int status = thrRef.status();
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if (status == ThreadReference.THREAD_STATUS_SLEEPING ||
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status == ThreadReference.THREAD_STATUS_WAIT)
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{
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break;
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}
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Thread.sleep(50);
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}
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log.display("TEST #5: debuggee is sleeping.");
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try {
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thrRef.suspend();
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log.display("TEST #5: thread is suspended.");
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thrRef.stop(throwableRef);
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if (vthreadMode) {
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log.complain("TEST #5 FAILED: expected OpaqueFrameException was not thrown");
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tot_res = Consts.TEST_FAILED;
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} else {
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log.display("TEST #5 PASSED: stop() call for suspended thread succeeded");
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}
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} catch (Throwable ue) {
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if (vthreadMode && ue instanceof OpaqueFrameException) {
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log.display("TEST #5 PASSED: stop() call threw OpaqueFrameException for virtual thread");
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} else {
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ue.printStackTrace();
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log.complain("TEST #5 FAILED: caught unexpected " + ue);
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tot_res = Consts.TEST_FAILED;
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}
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} finally {
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log.display("TEST #5: resuming thread.");
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thrRef.resume();
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}
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log.display("TEST #5: all done.");
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} catch (Exception e) {
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e.printStackTrace();
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log.complain("TEST FAILURE: caught unexpected exception: " + e);
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tot_res = Consts.TEST_FAILED;
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} finally {
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// Force the debuggee out of both loops
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if (objRef != null && stopLoop1 != null && stopLoop2 != null) {
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try {
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objRef.setValue(stopLoop1, vm.mirrorOf(true));
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objRef.setValue(stopLoop2, vm.mirrorOf(true));
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} catch (Exception sve) {
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sve.printStackTrace();
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tot_res = Consts.TEST_FAILED;
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}
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}
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}
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return quitDebuggee();
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}
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private void waitForTestReady(int testNum) {
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log.display("TEST #" + testNum + ": waiting for test ready...");
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IntegerValue ival;
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do {
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ival = (IntegerValue)mainClass.getValue(mainClass.fieldByName("testNumReady"));
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} while (ival.value() != testNum);
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log.display("TEST #" + testNum + ": test ready.");
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}
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private ObjectReference findObjRef(ThreadReference thrRef, String varName) {
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try {
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List frames = thrRef.frames();
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Iterator iter = frames.iterator();
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while (iter.hasNext()) {
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StackFrame stackFr = (StackFrame) iter.next();
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try {
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LocalVariable locVar =
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stackFr.visibleVariableByName(varName);
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// visible variable with the given name is found
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if (locVar != null) {
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return (ObjectReference)
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stackFr.getValue(locVar);
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}
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} catch (AbsentInformationException e) {
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// this is not needed stack frame, ignoring
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} catch (NativeMethodException ne) {
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// current method is native, also ignoring
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}
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}
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} catch (Exception e) {
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e.printStackTrace();
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tot_res = Consts.TEST_FAILED;
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throw new Failure("findObjRef: caught unexpected exception: " + e);
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}
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throw new Failure("findObjRef: needed debuggee stack frame not found");
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}
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private BreakpointRequest setBP(ReferenceType refType, int bpLine) {
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EventRequestManager evReqMan =
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debuggee.getEventRequestManager();
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Location loc;
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try {
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List locations = refType.allLineLocations();
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Iterator iter = locations.iterator();
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while (iter.hasNext()) {
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loc = (Location) iter.next();
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if (loc.lineNumber() == bpLine) {
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BreakpointRequest BPreq =
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evReqMan.createBreakpointRequest(loc);
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log.display("created " + BPreq + "\n\tfor " + refType
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+ " ; line=" + bpLine);
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return BPreq;
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}
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}
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} catch (Exception e) {
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e.printStackTrace();
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throw new Failure("setBP: caught unexpected exception: " + e);
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}
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throw new Failure("setBP: location corresponding debuggee source line "
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+ bpLine + " not found");
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}
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private void suspendAtBP(ReferenceType rType, int bpLine) {
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/**
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* This is a class containing a critical section which may lead to time
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* out of the test.
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*/
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class CriticalSection extends Thread {
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public volatile boolean waitFor = true;
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public void run() {
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try {
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do {
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EventSet eventSet = vm.eventQueue().remove(DELAY);
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if (eventSet != null) { // it is not a timeout
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EventIterator it = eventSet.eventIterator();
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while (it.hasNext()) {
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Event event = it.nextEvent();
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if (event instanceof VMDisconnectEvent) {
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log.complain("TEST FAILED: unexpected VMDisconnectEvent");
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break;
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} else if (event instanceof VMDeathEvent) {
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log.complain("TEST FAILED: unexpected VMDeathEvent");
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break;
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} else if (event instanceof BreakpointEvent) {
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if (event.request().equals(BPreq)) {
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log.display("expected Breakpoint event occured: "
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+ event.toString());
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gotEvent = true;
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return;
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}
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} else
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log.display("following JDI event occured: "
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+ event.toString());
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}
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}
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} while(waitFor);
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log.complain("TEST FAILED: no expected Breakpoint event");
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tot_res = Consts.TEST_FAILED;
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} catch (Exception e) {
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e.printStackTrace();
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tot_res = Consts.TEST_FAILED;
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log.complain("TEST FAILED: caught unexpected exception: " + e);
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}
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}
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}
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/////////////////////////////////////////////////////////////////////////////
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BPreq = setBP(rType, bpLine);
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BPreq.enable();
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CriticalSection critSect = new CriticalSection();
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log.display("\nStarting potential timed out section:\n\twaiting "
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+ (argHandler.getWaitTime())
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+ " minute(s) for JDI Breakpoint event ...\n");
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critSect.start();
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pipe.println(COMMAND_GO);
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try {
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critSect.join((argHandler.getWaitTime())*60000);
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if (critSect.isAlive()) {
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critSect.waitFor = false;
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throw new Failure("timeout occured while waiting for Breakpoint event");
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}
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} catch (InterruptedException e) {
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critSect.waitFor = false;
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throw new Failure("TEST INCOMPLETE: InterruptedException occured while waiting for Breakpoint event");
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} finally {
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BPreq.disable();
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}
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log.display("\nPotential timed out section successfully passed\n");
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if (gotEvent == false)
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throw new Failure("unable to suspend debuggee thread at breakpoint");
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}
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private int quitDebuggee() {
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log.display("Final resumption of debuggee VM");
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vm.resume();
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pipe.println(COMMAND_QUIT);
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debuggee.waitFor();
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int debStat = debuggee.getStatus();
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if (debStat != (Consts.JCK_STATUS_BASE + Consts.TEST_PASSED)) {
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log.complain("TEST FAILED: debuggee process finished with status: "
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+ debStat);
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tot_res = Consts.TEST_FAILED;
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} else
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log.display("\nDebuggee process finished with the status: "
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+ debStat);
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return tot_res;
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}
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}
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