jdk

1
/*
2
 * Copyright (c) 2022, Alibaba Group Holding Limited. 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
/*
26
 * @test
27
 * @bug 8275775
28
 * @summary Test jcmd VM.classes
29
 * @library /test/lib
30
 * @run main/othervm PrintClasses
31
 */
32

33
/*
34
 * @test
35
 * @bug 8298162
36
 * @summary Test jcmd VM.classes with JFR
37
 * @requires vm.hasJFR
38
 * @library /test/lib
39
 * @run main/othervm -XX:StartFlightRecording PrintClasses
40
 */
41

42
import jdk.test.lib.process.OutputAnalyzer;
43
import jdk.test.lib.JDKToolFinder;
44

45
public class PrintClasses {
46
  public static void main(String args[]) throws Exception {
47
    var pid = Long.toString(ProcessHandle.current().pid());
48
    var pb = new ProcessBuilder();
49

50
    pb.command(new String[] { JDKToolFinder.getJDKTool("jcmd"), pid, "VM.classes"});
51
    var output = new OutputAnalyzer(pb.start());
52
    output.shouldNotContain("instance size");
53
    output.shouldContain(PrintClasses.class.getSimpleName());
54

55
    pb.command(new String[] { JDKToolFinder.getJDKTool("jcmd"), pid, "VM.classes", "-verbose"});
56
    output = new OutputAnalyzer(pb.start());
57
    output.shouldContain("instance size");
58
    output.shouldContain(PrintClasses.class.getSimpleName());
59

60
    // Test for previous bug in misc flags printing
61
    output.shouldNotContain("##name");
62
  }
63
}
64