1 /* 2 * Copyright (c) 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 import com.oracle.java.testlibrary.OutputAnalyzer; 25 import com.oracle.java.testlibrary.dcmd.CommandExecutor; 26 import com.oracle.java.testlibrary.dcmd.JMXExecutor; 27 import org.testng.annotations.Test; 28 29 import java.text.NumberFormat; 30 import java.text.ParseException; 31 32 /* 33 * @test 34 * @library /testlibrary 35 * @build com.oracle.java.testlibrary.* 36 * @build com.oracle.java.testlibrary.dcmd.* 37 * @run testng UptimeTest 38 */ 39 public class UptimeTest { 40 public void run(CommandExecutor executor) { 41 double someUptime = 1.0; 42 try { 43 synchronized (this) { 44 wait((int) someUptime * 1000); 45 } 46 } catch (InterruptedException e) { 47 throw new RuntimeException("Test error: Exception caught when sleeping:", e); 48 } 49 50 OutputAnalyzer output = executor.execute("VM.uptime"); 51 52 output.stderrShouldBeEmpty(); 53 54 /* 55 * Output should be: 56 * [pid]: 57 * xx.yyy s 58 * 59 * If there is only one line in output there is no "[pid]:" printout; 60 * skip first line, split on whitespace and grab first half 61 */ 62 int index = output.asLines().size() == 1 ? 0 : 1; 63 String uptimeString = output.asLines().get(index).split("\\s+")[0]; 64 65 try { 66 double uptime = NumberFormat.getNumberInstance().parse(uptimeString).doubleValue(); 67 if (uptime < someUptime) { 68 throw new RuntimeException(String.format( 69 "Test failure: Uptime was less than intended sleep time: %.3f s < %.3f s", 70 uptime, someUptime)); 71 } 72 } catch (ParseException e) { 73 throw new RuntimeException("Test failure: Could not parse uptime string: " + 74 uptimeString, e); 75 } 76 } 77 78 @Test 79 public void jmx() { 80 run(new JMXExecutor()); 81 } 82 }