1 /* 2 * Copyright (c) 2005, 2016, 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 java.util.ArrayList; 25 import java.util.Arrays; 26 import java.util.List; 27 import java.util.regex.Matcher; 28 import java.util.regex.Pattern; 29 import java.io.IOException; 30 31 import jdk.test.lib.JDKToolLauncher; 32 import jdk.test.lib.process.OutputAnalyzer; 33 import jdk.test.lib.process.ProcessTools; 34 import jdk.test.lib.apps.LingeredApp; 35 36 /* 37 * @test 38 * @summary Unit test for jinfo utility 39 * @modules java.base/jdk.internal.misc 40 * @library /test/lib 41 * @build jdk.test.lib.* 42 * @build jdk.test.lib.apps.* 43 * @build jdk.test.lib.process.* 44 * @run main JInfoTest 45 */ 46 public class JInfoTest { 47 48 private static ProcessBuilder processBuilder = new ProcessBuilder(); 49 50 public static void main(String[] args) throws Exception { 51 classNameMatch(); 52 setMultipleFlags(); 53 setFlag(); 54 } 55 56 private static void setFlag() throws Exception { 57 System.out.println("#### setFlag ####"); 58 LingeredApp app1 = new JInfoTestLingeredApp(); 59 LingeredApp app2 = new JInfoTestLingeredApp(); 60 try { 61 ArrayList<String> params = new ArrayList<String>(); 62 LingeredApp.startApp(params, app1); 63 LingeredApp.startApp(params, app2); 64 OutputAnalyzer output = jinfo("-flag", "MinHeapFreeRatio=1", "JInfoTestLingeredApp"); 65 output.shouldHaveExitValue(0); 66 output = jinfo("-flag", "MinHeapFreeRatio", "JInfoTestLingeredApp"); 67 output.shouldHaveExitValue(0); 68 documentMatch(output.getStdout(), ".*MinHeapFreeRatio=1.*MinHeapFreeRatio=1.*"); 69 } finally { 70 JInfoTestLingeredApp.stopApp(app1); 71 JInfoTestLingeredApp.stopApp(app2); 72 } 73 } 74 75 private static void setMultipleFlags() throws Exception { 76 System.out.println("#### setMultipleFlags ####"); 77 OutputAnalyzer output = jinfo("-sysprops", "-flag", "MinHeapFreeRatio=1", "-flags", "JInfoTestLingeredApp"); 78 output.shouldHaveExitValue(1); 79 } 80 81 private static void classNameMatch() throws Exception { 82 System.out.println("#### classNameMatch ####"); 83 LingeredApp app1 = new JInfoTestLingeredApp(); 84 LingeredApp app2 = new JInfoTestLingeredApp(); 85 try { 86 ArrayList<String> params = new ArrayList<String>(); 87 LingeredApp.startApp(params, app1); 88 LingeredApp.startApp(params, app2); 89 OutputAnalyzer output = jinfo("JInfoTestLingeredApp"); 90 output.shouldHaveExitValue(0); 91 // "HotSpot(TM)" written once per proc 92 documentMatch(output.getStdout(), ".*HotSpot\\(TM\\).*HotSpot\\(TM\\).*"); 93 } finally { 94 JInfoTestLingeredApp.stopApp(app1); 95 JInfoTestLingeredApp.stopApp(app2); 96 } 97 } 98 99 private static void documentMatch(String data, String pattern){ 100 Matcher matcher = Pattern.compile(pattern, Pattern.DOTALL).matcher(data); 101 if (!matcher.find()) { 102 throw new RuntimeException("'" + pattern + "' missing from stdout \n"); 103 } 104 } 105 106 private static OutputAnalyzer jinfo(String... toolArgs) throws Exception { 107 JDKToolLauncher launcher = JDKToolLauncher.createUsingTestJDK("jinfo"); 108 if (toolArgs != null) { 109 for (String toolArg : toolArgs) { 110 launcher.addToolArg(toolArg); 111 } 112 } 113 114 processBuilder.command(launcher.getCommand()); 115 OutputAnalyzer output = ProcessTools.executeProcess(processBuilder); 116 117 return output; 118 } 119 } 120 121 // Sometime there is LingeredApp's from other test still around 122 class JInfoTestLingeredApp extends LingeredApp { 123 } 124