92 lines
3.1 KiB
Java
92 lines
3.1 KiB
Java
/*
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* Copyright (c) 2015, 2017, 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 org.testng.annotations.Test;
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import org.testng.Assert;
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import jdk.test.lib.process.OutputAnalyzer;
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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 java.text.NumberFormat;
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import java.text.ParseException;
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/*
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* @test
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* @summary Test of diagnostic command VM.uptime
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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 UptimeTest
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*/
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public class UptimeTest {
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public void run(CommandExecutor executor) {
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double someUptime = 1.0;
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long startTime = System.currentTimeMillis();
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try {
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synchronized (this) {
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/* Loop to guard against spurious wake ups */
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while (System.currentTimeMillis() < (startTime + someUptime * 1000)) {
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wait((int) someUptime * 1000);
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}
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}
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} catch (InterruptedException e) {
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Assert.fail("Test error: Exception caught when sleeping:", e);
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}
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OutputAnalyzer output = executor.execute("VM.uptime");
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output.stderrShouldBeEmpty();
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/*
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* Output should be:
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* [pid]:
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* xx.yyy s
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*
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* If there is only one line in output there is no "[pid]:" printout;
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* skip first line, split on whitespace and grab first half
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*/
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int index = output.asLines().size() == 1 ? 0 : 1;
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String uptimeString = output.asLines().get(index).split("\\s+")[0];
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try {
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double uptime = NumberFormat.getNumberInstance().parse(uptimeString).doubleValue();
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if (uptime < someUptime) {
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Assert.fail(String.format(
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"Test failure: Uptime was less than intended sleep time: %.3f s < %.3f s",
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uptime, someUptime));
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}
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} catch (ParseException e) {
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Assert.fail("Test failure: Could not parse uptime string: " +
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uptimeString, e);
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}
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}
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@Test
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public void jmx() {
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run(new JMXExecutor());
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}
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}
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