1 /* 2 * Copyright (c) 2005, 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 static jdk.testlibrary.Asserts.assertTrue; 25 import static jdk.testlibrary.Asserts.fail; 26 27 import java.io.File; 28 import java.util.Arrays; 29 30 import jdk.test.lib.hprof.HprofParser; 31 import jdk.testlibrary.JDKToolLauncher; 32 import jdk.testlibrary.OutputAnalyzer; 33 import jdk.testlibrary.ProcessTools; 34 35 /* 36 * @test 37 * @bug 6321286 38 * @summary Unit test for jmap utility 39 * @library /lib/testlibrary 40 * @library /../../test/lib/share/classes 41 * @modules java.management 42 * @build jdk.testlibrary.* 43 * @build jdk.test.lib.hprof.* 44 * @build jdk.test.lib.hprof.module.* 45 * @build jdk.test.lib.hprof.parser.* 46 * @build jdk.test.lib.hprof.utils.* 47 * @run main/timeout=240 BasicJMapTest 48 */ 49 public class BasicJMapTest { 50 51 private static ProcessBuilder processBuilder = new ProcessBuilder(); 52 53 public static void main(String[] args) throws Exception { 54 testHisto(); 55 testHistoLive(); 56 testDump(); 57 testDumpLive(); 58 } 59 60 private static void testHisto() throws Exception { 61 OutputAnalyzer output = jmap("-histo"); 62 output.shouldHaveExitValue(0); 63 } 64 65 private static void testHistoLive() throws Exception { 66 OutputAnalyzer output = jmap("-histo:live"); 67 output.shouldHaveExitValue(0); 68 } 69 70 private static void testDump() throws Exception { 71 dump(false); 72 } 73 74 private static void testDumpLive() throws Exception { 75 dump(true); 76 } 77 78 private static void dump(boolean live) throws Exception { 79 File dump = new File("jmap.dump." + System.currentTimeMillis() + ".hprof"); 80 if (dump.exists()) { 81 dump.delete(); 82 } 83 OutputAnalyzer output; 84 if (live) { 85 output = jmap("-dump:live,format=b,file=" + dump.getName()); 86 } else { 87 output = jmap("-dump:format=b,file=" + dump.getName()); 88 } 89 output.shouldHaveExitValue(0); 90 output.shouldContain("Heap dump file created"); 91 verifyDumpFile(dump); 92 dump.delete(); 93 } 94 95 private static void verifyDumpFile(File dump) { 96 assertTrue(dump.exists() && dump.isFile(), "Could not create dump file " + dump.getAbsolutePath()); 97 try { 98 HprofParser.parse(dump); 99 } catch (Exception e) { 100 e.printStackTrace(); 101 fail("Could not parse dump file " + dump.getAbsolutePath()); 102 } 103 } 104 105 private static OutputAnalyzer jmap(String... toolArgs) throws Exception { 106 JDKToolLauncher launcher = JDKToolLauncher.createUsingTestJDK("jmap"); 107 launcher.addVMArg("-XX:+UsePerfData"); 108 if (toolArgs != null) { 109 for (String toolArg : toolArgs) { 110 launcher.addToolArg(toolArg); 111 } 112 } 113 launcher.addToolArg(Integer.toString(ProcessTools.getProcessId())); 114 115 processBuilder.command(launcher.getCommand()); 116 System.out.println(Arrays.toString(processBuilder.command().toArray()).replace(",", "")); 117 OutputAnalyzer output = ProcessTools.executeProcess(processBuilder); 118 System.out.println(output.getOutput()); 119 120 return output; 121 } 122 123 }