1/* 2 * Copyright (c) 2005, 2017, 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 24import java.util.ArrayList; 25import java.util.Arrays; 26import java.util.List; 27import java.util.regex.Matcher; 28import java.util.regex.Pattern; 29import java.io.IOException; 30 31import jdk.test.lib.JDKToolLauncher; 32import jdk.test.lib.process.OutputAnalyzer; 33import jdk.test.lib.process.ProcessTools; 34import jdk.test.lib.apps.LingeredApp; 35 36/* 37 * @test 38 * @summary Unit test for jinfo utility 39 * 40 * @library /test/lib 41 * @modules java.base/jdk.internal.misc 42 * java.management 43 * jdk.jcmd 44 * 45 * @run main JInfoTest 46 */ 47public class JInfoTest { 48 49 private static ProcessBuilder processBuilder = new ProcessBuilder(); 50 51 public static void main(String[] args) throws Exception { 52 classNameMatch(); 53 setMultipleFlags(); 54 setFlag(); 55 } 56 57 private static void setFlag() throws Exception { 58 System.out.println("#### setFlag ####"); 59 LingeredApp app1 = new JInfoTestLingeredApp(); 60 LingeredApp app2 = new JInfoTestLingeredApp(); 61 try { 62 ArrayList<String> params = new ArrayList<String>(); 63 LingeredApp.startApp(params, app1); 64 LingeredApp.startApp(params, app2); 65 OutputAnalyzer output = jinfo("-flag", "MinHeapFreeRatio=1", "JInfoTestLingeredApp"); 66 output.shouldHaveExitValue(0); 67 output = jinfo("-flag", "MinHeapFreeRatio", "JInfoTestLingeredApp"); 68 output.shouldHaveExitValue(0); 69 documentMatch(output.getStdout(), ".*MinHeapFreeRatio=1.*MinHeapFreeRatio=1.*"); 70 } finally { 71 JInfoTestLingeredApp.stopApp(app1); 72 JInfoTestLingeredApp.stopApp(app2); 73 } 74 } 75 76 private static void setMultipleFlags() throws Exception { 77 System.out.println("#### setMultipleFlags ####"); 78 OutputAnalyzer output = jinfo("-sysprops", "-flag", "MinHeapFreeRatio=1", "-flags", "JInfoTestLingeredApp"); 79 output.shouldHaveExitValue(1); 80 } 81 82 private static void classNameMatch() throws Exception { 83 System.out.println("#### classNameMatch ####"); 84 LingeredApp app1 = new JInfoTestLingeredApp(); 85 LingeredApp app2 = new JInfoTestLingeredApp(); 86 try { 87 ArrayList<String> params = new ArrayList<String>(); 88 LingeredApp.startApp(params, app1); 89 LingeredApp.startApp(params, app2); 90 OutputAnalyzer output = jinfo("JInfoTestLingeredApp"); 91 output.shouldHaveExitValue(0); 92 // "Runtime Environment" written once per proc 93 documentMatch(output.getStdout(), ".*Runtime Environment.*Runtime Environment.*"); 94 } finally { 95 JInfoTestLingeredApp.stopApp(app1); 96 JInfoTestLingeredApp.stopApp(app2); 97 } 98 } 99 100 private static void documentMatch(String data, String pattern){ 101 Matcher matcher = Pattern.compile(pattern, Pattern.DOTALL).matcher(data); 102 if (!matcher.find()) { 103 throw new RuntimeException("'" + pattern + "' missing from stdout \n"); 104 } 105 } 106 107 private static OutputAnalyzer jinfo(String... toolArgs) throws Exception { 108 JDKToolLauncher launcher = JDKToolLauncher.createUsingTestJDK("jinfo"); 109 if (toolArgs != null) { 110 for (String toolArg : toolArgs) { 111 launcher.addToolArg(toolArg); 112 } 113 } 114 115 processBuilder.command(launcher.getCommand()); 116 OutputAnalyzer output = ProcessTools.executeProcess(processBuilder); 117 118 return output; 119 } 120} 121 122// Sometime there is LingeredApp's from other test still around 123class JInfoTestLingeredApp extends LingeredApp { 124} 125 126