1 /*
2 * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23
24 import org.testng.annotations.Test;
25 import org.testng.Assert;
26
27 import java.util.concurrent.TimeUnit;
28 import java.util.concurrent.locks.Condition;
29 import java.util.concurrent.locks.ReentrantLock;
30
31 import jdk.test.lib.OutputAnalyzer;
32 import jdk.test.lib.dcmd.CommandExecutor;
33 import jdk.test.lib.dcmd.PidJcmdExecutor;
34
35 /*
36 * @test
37 * @summary
38 * @library /testlibrary
39 * @build jdk.test.lib.*
40 * @build jdk.test.lib.dcmd.*
41 * @run testng FinalizerInfoTest
42 */
43 public class FinalizerInfoTest {
44 static ReentrantLock lock = new ReentrantLock();
45 static volatile int wasInitialized = 0;
46 static volatile int wasTrapped = 0;
47 static final String cmd = "GC.finalizer_info";
48 static final int objectsCount = 1000;
49
50 class MyObject {
51 public MyObject() {
52 // Make sure object allocation/deallocation is not optimized out
53 wasInitialized += 1;
54 }
55
56 protected void finalize() {
57 // Trap the object in a finalization queue
58 wasTrapped += 1;
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1 /*
2 * Copyright (c) 2015, 2016, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23
24 import org.testng.annotations.Test;
25 import org.testng.Assert;
26
27 import java.util.concurrent.TimeUnit;
28 import java.util.concurrent.locks.Condition;
29 import java.util.concurrent.locks.ReentrantLock;
30
31 import jdk.test.lib.OutputAnalyzer;
32 import jdk.test.lib.dcmd.CommandExecutor;
33 import jdk.test.lib.dcmd.PidJcmdExecutor;
34
35 /*
36 * @test
37 * @summary
38 * @library /testlibrary
39 * @modules java.xml
40 * java.management
41 * @build jdk.test.lib.*
42 * @build jdk.test.lib.dcmd.*
43 * @run testng FinalizerInfoTest
44 */
45 public class FinalizerInfoTest {
46 static ReentrantLock lock = new ReentrantLock();
47 static volatile int wasInitialized = 0;
48 static volatile int wasTrapped = 0;
49 static final String cmd = "GC.finalizer_info";
50 static final int objectsCount = 1000;
51
52 class MyObject {
53 public MyObject() {
54 // Make sure object allocation/deallocation is not optimized out
55 wasInitialized += 1;
56 }
57
58 protected void finalize() {
59 // Trap the object in a finalization queue
60 wasTrapped += 1;
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