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 java.io.File; 25 import java.util.Arrays; 26 27 import jdk.testlibrary.Asserts; 28 import jdk.testlibrary.JDKToolLauncher; 29 import jdk.testlibrary.OutputAnalyzer; 30 import jdk.testlibrary.ProcessTools; 31 32 /* @test 33 * @bug 5102009 34 * @summary Sanity test of jhat functionality 35 * @library /lib/testlibrary 36 * @modules java.management 37 * @build jdk.testlibarary.* 38 * @compile -g HelloWorld.java 39 * @run main HatHeapDump1Test 40 */ 41 public class HatHeapDump1Test { 42 43 private static final String TEST_CLASSES = System.getProperty("test.classes", "."); 44 45 public static void main(String args[]) throws Exception { 46 String className = "HelloWorld"; 47 File dumpFile = new File(className + ".hdump"); 48 49 // Generate a heap dump 50 ProcessBuilder processBuilder = ProcessTools.createJavaProcessBuilder("-cp", 51 TEST_CLASSES, 52 "-Xcheck:jni", 53 "-Xverify:all", 54 "-agentlib:hprof=heap=dump,format=b,file=" + dumpFile.getAbsolutePath(), 55 className); 56 OutputAnalyzer output = ProcessTools.executeProcess(processBuilder); 57 System.out.println(output.getOutput()); 58 output.shouldHaveExitValue(0); 59 output.shouldContain("Dumping Java heap ... done"); 60 Asserts.assertTrue(dumpFile.exists() && dumpFile.isFile(), "Invalid dump file " + dumpFile.getAbsolutePath()); 61 62 // Run jhat to analyze the heap dump 63 output = jhat("-debug", "2", dumpFile.getAbsolutePath()); 64 output.shouldHaveExitValue(0); 65 output.shouldContain("Snapshot resolved"); 66 output.shouldContain("-debug 2 was used"); 67 output.shouldNotContain("ERROR"); 68 69 dumpFile.delete(); 70 } 71 72 private static OutputAnalyzer jhat(String... toolArgs) throws Exception { 73 JDKToolLauncher launcher = JDKToolLauncher.createUsingTestJDK("jhat"); 74 if (toolArgs != null) { 75 for (String toolArg : toolArgs) { 76 launcher.addToolArg(toolArg); 77 } 78 } 79 80 ProcessBuilder processBuilder = new ProcessBuilder(); 81 processBuilder.command(launcher.getCommand()); 82 System.out.println(Arrays.toString(processBuilder.command().toArray()).replace(",", "")); 83 OutputAnalyzer output = ProcessTools.executeProcess(processBuilder); 84 System.out.println(output.getOutput()); 85 86 return output; 87 } 88 89 }