95 lines
3.9 KiB
Java
95 lines
3.9 KiB
Java
/*
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* Copyright (c) 2019, 2024, 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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import jdk.test.lib.dcmd.CommandExecutor;
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import jdk.test.lib.dcmd.JMXExecutor;
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import jdk.test.lib.process.OutputAnalyzer;
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import org.testng.annotations.Test;
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import org.testng.Assert;
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/*
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* @test
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* @summary Test of diagnostic command VM.events
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* @library /test/lib
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* @modules java.base/jdk.internal.misc
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* java.compiler
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* java.management
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* jdk.internal.jvmstat/sun.jvmstat.monitor
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* @run testng EventsTest
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*/
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public class EventsTest {
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// MAX should be less than number of actually recorded events
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private static int MAX = 9;
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static String buildHeaderPattern(String logname) {
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return "^" + logname + ".*\\(\\d+ events\\):";
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}
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public void run_all(CommandExecutor executor) {
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OutputAnalyzer output = executor.execute("VM.events");
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// This tests for the output to contain the event log header line (e.g. "Classes unloaded (0 events):").
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// Those are always printed even if the corresponding event log is empty.
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output.stdoutShouldMatch(buildHeaderPattern("Events"));
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output.stdoutShouldMatch(buildHeaderPattern("Compilation"));
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output.stdoutShouldMatch(buildHeaderPattern("GC Heap History"));
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output.stdoutShouldMatch(buildHeaderPattern("Deoptimization"));
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output.stdoutShouldMatch(buildHeaderPattern("Classes unloaded"));
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}
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public void run_selected(CommandExecutor executor) {
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OutputAnalyzer output = executor.execute("VM.events log=deopt");
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// We only expect one log to be printed here.
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output.stdoutShouldMatch(buildHeaderPattern("Deoptimization"));
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output.stdoutShouldNotMatch(buildHeaderPattern("Events"));
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output.stdoutShouldNotMatch(buildHeaderPattern("Compilation"));
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output.stdoutShouldNotMatch(buildHeaderPattern("GC Heap History"));
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output.stdoutShouldNotMatch(buildHeaderPattern("Classes unloaded"));
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}
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public void run_max(CommandExecutor executor) {
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OutputAnalyzer output = executor.execute("VM.events max=" + MAX);
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long lines = output.asLines().stream().filter(x -> x.contains("Loading class")).count();
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Assert.assertTrue(lines == MAX, "There are should be " + MAX + " lines");
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}
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public void run_max_selected(CommandExecutor executor) {
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OutputAnalyzer output = executor.execute("VM.events log=load max=" + MAX);
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output.stdoutShouldMatch(buildHeaderPattern("Classes loaded"));
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long lines = output.asLines().stream().filter(x -> x.contains("Loading class")).count();
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Assert.assertTrue(lines == MAX, "There are should be " + MAX + " lines");
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output.stdoutShouldNotMatch(buildHeaderPattern("Events"));
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output.stdoutShouldNotMatch(buildHeaderPattern("Compilation"));
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}
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@Test
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public void jmx() {
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run_all(new JMXExecutor());
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run_selected(new JMXExecutor());
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run_max(new JMXExecutor());
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run_max_selected(new JMXExecutor());
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}
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}
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