1 /*

     2  * Copyright (c) 2019, 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 jdk.test.lib.dcmd.CommandExecutor;

    25 import jdk.test.lib.dcmd.JMXExecutor;

    26 import jdk.test.lib.process.OutputAnalyzer;

    27 import org.testng.annotations.Test;

    28 

    29 /*

    30  * @test

    31  * @summary Test of diagnostic command VM.events

    32  * @library /test/lib

    33  * @modules java.base/jdk.internal.misc

    34  *          java.compiler

    35  *          java.management

    36  *          jdk.internal.jvmstat/sun.jvmstat.monitor

    37  * @run testng  EventsTest

    38  */

    39 public class EventsTest {

    40 

    41     static String buildHeaderPattern(String logname) {

    42         return "^" + logname + ".*\\(\\d+ events\\):";

    43     }

    44 

    45     public void run_all(CommandExecutor executor) {

    46         OutputAnalyzer output = executor.execute("VM.events");

    47         // This tests for the output to contain the event log header line (e.g. "Classes unloaded (0 events):").

    48         // Those are always printed even if the corresponding event log is empty.

    49         output.stdoutShouldMatch(buildHeaderPattern("Events"));

    50         output.stdoutShouldMatch(buildHeaderPattern("Compilation"));

    51         output.stdoutShouldMatch(buildHeaderPattern("GC Heap History"));

    52         output.stdoutShouldMatch(buildHeaderPattern("Deoptimization"));

    53         output.stdoutShouldMatch(buildHeaderPattern("Classes unloaded"));

    54     }

    55 

    56     public void run_selected(CommandExecutor executor) {

    57         OutputAnalyzer output = executor.execute("VM.events log=deopt");

    58         // We only expect one log to be printed here.

    59         output.stdoutShouldMatch(buildHeaderPattern("Deoptimization"));

    60 

    61         output.stdoutShouldNotMatch(buildHeaderPattern("Events"));

    62         output.stdoutShouldNotMatch(buildHeaderPattern("Compilation"));

    63         output.stdoutShouldNotMatch(buildHeaderPattern("GC Heap History"));

    64         output.stdoutShouldNotMatch(buildHeaderPattern("Classes unloaded"));

    65     }

    66 

    67     @Test

    68     public void jmx() {

    69         run_all(new JMXExecutor());

    70         run_selected(new JMXExecutor());

    71     }

    72 }