129 lines
3.8 KiB
Java
129 lines
3.8 KiB
Java
/*
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* Copyright (c) 2003, 2018, 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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/*
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* Unit tests for JVMTI GetObjectsWithTags function
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*
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*/
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package nsk.jvmti.unit.heap;
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import nsk.share.jvmti.unit.*;
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import java.io.PrintStream;
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public class GetWithTests {
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final static int JCK_STATUS_BASE = 95;
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final static int PASSED = 0;
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final static int FAILED = 2;
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public static void main(String args[]) {
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args = nsk.share.jvmti.JVMTITest.commonInit(args);
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// produce JCK-like exit status.
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System.exit(run(args, System.out) + JCK_STATUS_BASE);
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}
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public static int run(String args[], PrintStream out) {
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// create 4000 objects
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// tag 1000 with a tag of '1'
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// tag 2000 with a tag of '2'
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// leave 1000 untagged
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int tagged = 0;
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Object[] objs = new Object[4000];
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for (int i=0; i<4000; i++) {
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objs[i] = new Object();
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}
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for (int i=0; i<1000; i++) {
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Heap.setTag(objs[i], 1);
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tagged++;
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}
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for (int i=1000; i<3000; i++) {
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Heap.setTag(objs[i], 2);
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tagged++;
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}
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// call GetObjectsWithTags and check that it returns a count
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// of 3000
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long tags[] = { 1L, 2L };
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int count = Heap.getObjectsWithTags(tags.length, tags);
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if (count != tagged) {
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throw new RuntimeException(count + " objects tagged, expected " +
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tagged);
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}
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// now check that the object_results and tag_results are
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// the correct length
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Object[] object_results = Heap.objectResults();
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long[] tag_results = Heap.tagResults();
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if (object_results.length != count) {
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throw new RuntimeException("object_results.length is incorrect");
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}
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if (tag_results.length != count) {
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throw new RuntimeException("tag_results.length is incorrect");
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}
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// Now verify the results
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for (int i=0; i<count; i++) {
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Object o = object_results[i];
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long tag = tag_results[i];
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if (tag != 1 && tag != 2) {
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throw new RuntimeException("Bogus tag value: " + tag);
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}
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if (Heap.getTag(o) != tag) {
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throw new RuntimeException("tag mismatch!!");
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}
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// check that the object is one of our objects
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boolean found = false;
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int j=0;
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while (j<objs.length) {
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if (objs[j] == o) {
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found = true;
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break;
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}
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j++;
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}
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if (!found) {
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throw new RuntimeException("Tagged object not found");
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}
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// to prevent this object from being found again we set it to
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// null in the array.
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objs[j] = null;
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}
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return PASSED;
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}
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}
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