274 lines
10 KiB
Java
274 lines
10 KiB
Java
/*
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* Copyright (c) 2003, 2021, 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.jvmti.PopFrame;
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import java.io.*;
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/**
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* This test checks that the JVMTI function <code>PopFrame()</code>
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* correctly returns the following errors:
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* <li><i>JVMTI_ERROR_NULL_POINTER</i>
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* <li><i>JVMTI_ERROR_INVALID_THREAD</i>
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* <li><i>JVMTI_ERROR_THREAD_NOT_SUSPENDED</i><br>
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* and no JVMTI events will be generated by the function.<br>
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* The test creates an instance of inner class <code>popFrameCls</code>
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* and start it in a separate thread. Then the test tries to pop frame
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* with the following erroneous thread's parameter of the
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* <code>PopFrame()</code>:
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* <li>NULL pointer to the thread
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* <li>an invalid thread
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* <li>the non suspended popFrameCls' thread<br><br>
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* The test was changed due to the bug 4448675.
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*/
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public class popframe011 {
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private final static String AGENT_LIB = "popframe011";
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private final static int DEF_TIME_MAX = 30; // default max # secs to test
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static final int PASSED = 0;
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static final int FAILED = 2;
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static final int JCK_STATUS_BASE = 95;
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static boolean DEBUG_MODE = false;
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static volatile boolean popFdone = false;
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static volatile int totRes = PASSED;
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private PrintStream out;
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private popFrameCls popFrameClsThr;
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static Object readi = new Object(); // for notification about readiness
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static Object barrier = new Object(); // for suspending a child thread
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static {
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try {
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System.loadLibrary(AGENT_LIB);
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} catch (UnsatisfiedLinkError e) {
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System.err.println("Could not load " + AGENT_LIB + " library");
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System.err.println("java.library.path:" +
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System.getProperty("java.library.path"));
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throw e;
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}
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}
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native static int doPopFrame(int t_case, popFrameCls popFrameClsThr);
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native static boolean isThreadNotAliveError();
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public static void main(String[] argv) {
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argv = nsk.share.jvmti.JVMTITest.commonInit(argv);
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System.exit(run(argv, System.out) + 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 popframe011().runIt(argv, out);
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}
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private int runIt(String argv[], PrintStream out) {
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int timeMax = 0;
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if (argv.length == 0) {
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timeMax = DEF_TIME_MAX;
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} else {
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int argIndex = 0;
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int argvLeft = argv.length;
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if (argv[0].equals("-v")) {
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DEBUG_MODE = true;
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argIndex = 1;
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argvLeft--;
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}
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if (argvLeft == 0) {
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timeMax = DEF_TIME_MAX;
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} else if (argvLeft == 1) {
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try {
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timeMax = Integer.parseUnsignedInt(argv[argIndex]);
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} catch (NumberFormatException nfe) {
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System.err.println("'" + argv[argIndex] +
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"': invalid timeMax value.");
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usage();
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}
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} else {
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usage();
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}
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}
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System.out.println("About to execute for " + timeMax + " seconds.");
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// Original popframe002 test block starts here:
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//
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int retValue = 0;
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this.out = out;
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long count = 0;
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long start_time = System.currentTimeMillis();
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while (System.currentTimeMillis() < start_time + (timeMax * 1000)) {
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count++;
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popFdone = false;
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popFrameClsThr = new popFrameCls();
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synchronized (barrier) { // force a child thread to pause
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synchronized(readi) {
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popFrameClsThr.start(); // start the child thread
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// wait until the thread will enter into a necessary method
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try {
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readi.wait(); // wait for the child readiness
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} catch (Exception e) {
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out.println("TEST FAILURE: waiting for " +
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popFrameClsThr.toString() + ": caught " + e);
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return FAILED;
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}
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}
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/* check that if PopFrame() would be invoked with NULL pointer to
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the thread, it will return the error JVMTI_ERROR_NULL_POINTER */
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if (DEBUG_MODE)
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totRes = retValue = doPopFrame(1, popFrameClsThr);
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else
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totRes = retValue = doPopFrame(0, popFrameClsThr);
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if (DEBUG_MODE && retValue == PASSED)
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out.println("Check #1 PASSED:\n" +
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"\tPopFrame(), being invoked with NULL pointer " +
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"to the thread,\n" +
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"\treturned the appropriate error JVMTI_ERROR_NULL_POINTER");
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/* check that if the thread, whose top frame is to be popped,
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is invalid, the PopFrame() will return the error
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JVMTI_ERROR_INVALID_THREAD */
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if (DEBUG_MODE)
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retValue = doPopFrame(3, popFrameClsThr);
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else
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retValue = doPopFrame(2, popFrameClsThr);
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if (retValue == FAILED) {
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popFdone = true;
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totRes = FAILED;
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} else
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if (DEBUG_MODE && retValue == PASSED)
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out.println("Check #3 PASSED:\n" +
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"\tPopFrame(), being invoked with " +
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"the invalid thread,\n" +
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"\treturned the appropriate error " +
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"JVMTI_ERROR_INVALID_THREAD");
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/* check that if the thread, whose top frame is to be popped,
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has not been suspended, the PopFrame() will return the error
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JVMTI_ERROR_THREAD_NOT_SUSPENDED */
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if (DEBUG_MODE)
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retValue = doPopFrame(5, popFrameClsThr);
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else
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retValue = doPopFrame(4, popFrameClsThr);
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if (retValue == FAILED) {
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popFdone = true;
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totRes = FAILED;
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} else
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if (DEBUG_MODE && retValue == PASSED)
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out.println("Check #5 PASSED:\n" +
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"\tPopFrame(), being invoked with " +
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"the non suspended thread,\n" +
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"\treturned the appropriate error " +
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"JVMTI_ERROR_THREAD_NOT_SUSPENDED");
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}
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//
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// Original popframe002 test block ends here.
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while (true) {
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/* check that if the thread, whose top frame is to be popped,
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has not been suspended and is exiting, the PopFrame() will
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return the error JVMTI_ERROR_THREAD_NOT_SUSPENDED or
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JVMTI_ERROR_THREAD_NOT_ALIVE */
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if (DEBUG_MODE)
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retValue = doPopFrame(7, popFrameClsThr);
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else
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retValue = doPopFrame(6, popFrameClsThr);
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if (retValue == FAILED) {
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popFdone = true;
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totRes = FAILED;
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} else
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if (DEBUG_MODE && retValue == PASSED)
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out.println("Check #7 PASSED:\n" +
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"\tPopFrame(), being invoked with " +
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"the non suspended and is exiting thread,\n" +
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"\treturned the appropriate error " +
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"JVMTI_ERROR_THREAD_NOT_SUSPENDED");
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if (isThreadNotAliveError()) {
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// Done with PopFrame() calls since thread is not alive.
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break;
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}
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}
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try {
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popFrameClsThr.join();
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} catch (InterruptedException e) {
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throw new Error("Unexpected: " + e);
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}
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if (totRes != PASSED) {
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break;
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}
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}
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System.out.println("Executed " + count + " loops in " + timeMax +
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" seconds.");
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return totRes;
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}
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public static void usage() {
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System.err.println("Usage: " + AGENT_LIB + " [-v][time_max]");
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System.err.println("where:");
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System.err.println(" -v verbose mode");
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System.err.println(" time_max max looping time in seconds");
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System.err.println(" (default is " + DEF_TIME_MAX +
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" seconds)");
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System.exit(1);
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}
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class popFrameCls extends Thread {
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public void run() {
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boolean compl = true;
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if (popframe011.popFdone) { // popping has been done
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out.println("TEST FAILED: frame with popFrameCls.run() was popped");
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popframe011.totRes = FAILED;
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}
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else {
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synchronized(readi) {
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readi.notify(); // notify the main thread
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}
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}
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if (DEBUG_MODE)
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out.println("popFrameCls (" + this +
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"): inside run()");
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try {
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// pause here and get the main thread a chance to run
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synchronized (popframe011.barrier) {}
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compl = false;
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} catch (Exception e) {
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out.println("FAILURE: popFrameCls (" + this +
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"): caught " + e);
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compl = false;
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} finally {
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if (compl) {
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out.println("TEST FAILED: finally block was executed after PopFrame()");
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popframe011.totRes = FAILED;
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}
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}
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}
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}
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}
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