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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.PopFrame;
import nsk.share.Wicket;
import java.io.PrintStream;
/**
* This test checks that after popping a method's frame by the JVMTI
* function <code>PopFrame()</code>:
* <li>the method arguments will be added back and any changes to
* the arguments, which occurred in the called method, will remain
* <li>changes to global state, which occurred in the called method,
* will remain
* <li>no JVMTI events are generated by the function <code>PopFrame()</code>
* <br><br>The test was changed due to the bug 4448675.
*/
public class popframe003 {
public static final int PASSED = 0;
public static final int FAILED = 2;
static final int JCK_STATUS_BASE = 95;
private popframe003p popFrameClsThr;
static {
try {
System.loadLibrary("popframe003");
} catch (UnsatisfiedLinkError e) {
System.err.println("Could not load popframe003 library");
System.err.println("java.library.path:" +
System.getProperty("java.library.path"));
throw e;
}
}
native static int doPopFrame(popframe003p popFrameClsThr);
native static int suspThread(popframe003p popFrameClsThr);
native static int resThread(popframe003p popFrameClsThr);
public static void main(String[] argv) {
argv = nsk.share.jvmti.JVMTITest.commonInit(argv);
System.exit(run(argv, System.out) + JCK_STATUS_BASE);
}
public static int run(String argv[], PrintStream out) {
return new popframe003().runIt(argv, out);
}
private int runIt(String argv[], PrintStream out) {
int retValue = 0;
popFrameClsThr = new popframe003p("Tested Thread", out);
// start the child thread
popFrameClsThr.start();
popFrameClsThr.startingBarrier.waitFor();
// pause until the child thread exits notification-block
synchronized (popFrameClsThr.barrier) {
}
out.println("Going to suspend the thread...");
retValue = suspThread(popFrameClsThr);
if (retValue != PASSED) {
out.println("TEST: failed to suspend thread");
return FAILED;
}
// pop the frame
out.println("Going to pop a frame...");
retValue = doPopFrame(popFrameClsThr);
popFrameClsThr.popFrameHasBeenDone();
if (retValue != PASSED) {
out.println("TEST: failed to pop frame");
resThread(popFrameClsThr);
return FAILED;
}
out.println("Going to resume the thread...");
retValue = resThread(popFrameClsThr);
if (retValue != PASSED) {
out.println("TEST: failed to resume thread");
return FAILED;
}
try {
popFrameClsThr.join();
} catch (InterruptedException e) {
out.println("TEST INCOMPLETE: caught " + e);
return FAILED;
}
/* check that any changes for the static global fields,
* which occurred in the called method, remain
*/
if (popframe003p.bytePubStatGlFld != 2 || popframe003p.shortPubStatGlFld != 3 ||
popframe003p.intPubStatGlFld != 4 || popframe003p.longPubStatGlFld != 5L ||
popframe003p.floatPubStatGlFld != 6.2F || popframe003p.doublePubStatGlFld != 7.35D ||
popframe003p.charPubStatGlFld != 'b' || popframe003p.booleanPubStatGlFld != true ||
!popframe003p.strPubStatGlFld.equals("sttc glbl fld")) {
out.println("TEST FAILED: changes for the static fields of a class,\n" +
"\twhich have been made in the popped frame's method, did not remain:\n" +
"\tstatic fields values:\n\t\tbytePubStatGlFld=" + popframe003p.bytePubStatGlFld + "\texpected: 2\n" +
"\t\tshortPubStatGlFld=" + popframe003p.shortPubStatGlFld + "\texpected: 3\n" +
"\t\tintPubStatGlFld=" + popframe003p.intPubStatGlFld + "\texpected: 4\n" +
"\t\tlongPubStatGlFld=" + popframe003p.longPubStatGlFld + "\texpected: 5\n" +
"\t\tfloatPubStatGlFld=" + popframe003p.floatPubStatGlFld + "\texpected: 6.2\n" +
"\t\tdoublePubStatGlFld=" + popframe003p.doublePubStatGlFld + "\texpected: 7.35\n" +
"\t\tcharPubStatGlFld='" + popframe003p.charPubStatGlFld + "'\texpected: 'b'\n" +
"\t\tbooleanPubStatGlFld=" + popframe003p.booleanPubStatGlFld + "\texpected: true\n" +
"\t\tstrPubStatGlFld=\"" + popframe003p.strPubStatGlFld + "\"\texpected: \"sttc glbl fld\"");
return FAILED;
} else {
out.println("Check #6 PASSED: changes for the static fields of a class,\n" +
"\twhich have been made in the popped frame's method, remained\n");
}
return popframe003p.totRes;
}
}
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