1 /*
2 * Copyright (c) 2003, 2013, 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 /*
25 * @test
26 * @bug 4892507 8020875 8021335
27 * @summary Basic Test for the following reset methods:
28 * - ThreadMXBean.resetPeakThreadCount()
29 * @author Mandy Chung
30 * @author Jaroslav Bachorik
31 *
32 * @build ResetPeakThreadCount
33 * @build ThreadDump
34 * @run main/othervm ResetPeakThreadCount
35 */
36
37 import java.lang.management.*;
38
39 public class ResetPeakThreadCount {
40 // initial number of new threads started
41 private static final int DAEMON_THREADS_1 = 8;
42 private static final int EXPECTED_PEAK_DELTA_1 = 8;
43
44 // Terminate half of the threads started
45 private static final int TERMINATE_1 = 4;
46
47 // start new threads but expected the peak unchanged
48 private static final int DAEMON_THREADS_2 = 2;
49 private static final int EXPECTED_PEAK_DELTA_2 = 0;
50
51 // peak thread count reset before starting new threads
|
1 /*
2 * Copyright (c) 2003, 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 /*
25 * @test
26 * @bug 4892507 8020875 8021335
27 * @summary Basic Test for the following reset methods:
28 * - ThreadMXBean.resetPeakThreadCount()
29 * @author Mandy Chung
30 * @author Jaroslav Bachorik
31 *
32 * @modules java.management
33 * @build ResetPeakThreadCount
34 * @build ThreadDump
35 * @run main/othervm ResetPeakThreadCount
36 */
37
38 import java.lang.management.*;
39
40 public class ResetPeakThreadCount {
41 // initial number of new threads started
42 private static final int DAEMON_THREADS_1 = 8;
43 private static final int EXPECTED_PEAK_DELTA_1 = 8;
44
45 // Terminate half of the threads started
46 private static final int TERMINATE_1 = 4;
47
48 // start new threads but expected the peak unchanged
49 private static final int DAEMON_THREADS_2 = 2;
50 private static final int EXPECTED_PEAK_DELTA_2 = 0;
51
52 // peak thread count reset before starting new threads
|