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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.
*/
/*
* Unit tests for JVMTI GetObjectsWithTags function
*
*/
package nsk.jvmti.unit.heap;
import nsk.share.jvmti.unit.*;
import java.io.PrintStream;
public class GetWithTests {
final static int JCK_STATUS_BASE = 95;
final static int PASSED = 0;
final static int FAILED = 2;
public static void main(String args[]) {
args = nsk.share.jvmti.JVMTITest.commonInit(args);
// produce JCK-like exit status.
System.exit(run(args, System.out) + JCK_STATUS_BASE);
}
public static int run(String args[], PrintStream out) {
// create 4000 objects
// tag 1000 with a tag of '1'
// tag 2000 with a tag of '2'
// leave 1000 untagged
int tagged = 0;
Object[] objs = new Object[4000];
for (int i=0; i<4000; i++) {
objs[i] = new Object();
}
for (int i=0; i<1000; i++) {
Heap.setTag(objs[i], 1);
tagged++;
}
for (int i=1000; i<3000; i++) {
Heap.setTag(objs[i], 2);
tagged++;
}
// call GetObjectsWithTags and check that it returns a count
// of 3000
long tags[] = { 1L, 2L };
int count = Heap.getObjectsWithTags(tags.length, tags);
if (count != tagged) {
throw new RuntimeException(count + " objects tagged, expected " +
tagged);
}
// now check that the object_results and tag_results are
// the correct length
Object[] object_results = Heap.objectResults();
long[] tag_results = Heap.tagResults();
if (object_results.length != count) {
throw new RuntimeException("object_results.length is incorrect");
}
if (tag_results.length != count) {
throw new RuntimeException("tag_results.length is incorrect");
}
// Now verify the results
for (int i=0; i<count; i++) {
Object o = object_results[i];
long tag = tag_results[i];
if (tag != 1 && tag != 2) {
throw new RuntimeException("Bogus tag value: " + tag);
}
if (Heap.getTag(o) != tag) {
throw new RuntimeException("tag mismatch!!");
}
// check that the object is one of our objects
boolean found = false;
int j=0;
while (j<objs.length) {
if (objs[j] == o) {
found = true;
break;
}
j++;
}
if (!found) {
throw new RuntimeException("Tagged object not found");
}
// to prevent this object from being found again we set it to
// null in the array.
objs[j] = null;
}
return PASSED;
}
}
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