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/*
* Copyright (c) 2003, 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.jvmti.IsMethodObsolete;
import java.io.*;
import nsk.share.*;
import nsk.share.jvmti.*;
public class isobsolete001 extends DebugeeClass {
// load native library if required
static {
System.loadLibrary("isobsolete001");
}
// run test from command line
public static void main(String argv[]) {
argv = nsk.share.jvmti.JVMTITest.commonInit(argv);
// JCK-compatible exit
System.exit(run(argv, System.out) + Consts.JCK_STATUS_BASE);
}
// run test from JCK-compatible environment
public static int run(String argv[], PrintStream out) {
return new isobsolete001().runIt(argv, out);
}
/* =================================================================== */
// names
public static final String PACKAGE_NAME = "nsk.jvmti.IsMethodObsolete";
public static final String REDEFINED_CLASS_NAME = PACKAGE_NAME + ".isobsolete001r";
// scaffold objects
ArgumentHandler argHandler = null;
Log log = null;
long timeout = 0;
int status = Consts.TEST_PASSED;
public static isobsolete001r testedObject = null;
public static byte classfileBytes[] = null;
private static Object startingMonitor = new Object();
private static volatile boolean shouldFinish = false;
// run debuggee
public int runIt(String argv[], PrintStream out) {
argHandler = new ArgumentHandler(argv);
log = new Log(out, argHandler);
timeout = argHandler.getWaitTime() * 60 * 1000; // milliseconds
String args[] = argHandler.getArguments();
if (args.length <= 0) {
throw new Failure("Path for redefined class file not specified");
}
String location = args[0];
String filename = location + File.separator + "newclass" + File.separator
+ REDEFINED_CLASS_NAME.replace('.', File.separatorChar) + ".class";
log.display("Reading bytes of redefined class from file: \n\t" + filename);
classfileBytes = readBytes(filename);
log.display("Creating tested object");
testedObject = new isobsolete001r();
log.display("Creating tested thread");
isobsolete001Thread thread = new isobsolete001Thread("testedThread");
log.display("Start tested thread and run tested methods");
try {
synchronized (startingMonitor) {
thread.start();
startingMonitor.wait();
}
log.display("Sync: tested methods are running on a thread stack");
status = checkStatus(status);
} catch (InterruptedException e) {
throw new Failure("Interruption while waiting for thread to start: \n\t" + e);
} finally {
log.display("Let tested thread to finish");
shouldFinish = true;
}
log.display("Waiting for thread to finish");
try {
thread.join();
} catch (InterruptedException e) {
throw new Failure("Interruption while waiting for thread to finish: \n\t" + e);
}
return status;
}
// read bytes of classfile to redefine
private byte[] readBytes(String filename) {
byte bytes[];
try {
FileInputStream in = new FileInputStream(filename);
bytes = new byte[in.available()];
in.read(bytes);
in.close();
} catch (IOException e) {
throw new Failure("Unexpected exception while reading class file: \n\t" + e);
}
return bytes;
}
// notify about starting and run until finished
public static void running() {
// notify about starting
synchronized (startingMonitor) {
startingMonitor.notifyAll();
}
// run continuously
int n = 100;
while (!shouldFinish) {
int k = 0;
for (int i = 0; i < n; i++) {
k += n - i;
}
n--;
if (n <= 0) n = 100;
}
}
}
/* =================================================================== */
// tested thread
class isobsolete001Thread extends Thread {
public isobsolete001Thread(String name) {
super(name);
}
public void run() {
isobsolete001r.testedStaticMethod(100, isobsolete001.testedObject);
}
}
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