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 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.test.lib.process.OutputAnalyzer; 32 import jdk.test.lib.process.ProcessTools; 33 import jdk.testlibrary.JDKToolLauncher; 34 35 /* 36 * @test 37 * @summary Unit test for jmap utility 38 * @key intermittent 39 * @library /lib/testlibrary 40 * @library /test/lib 41 * @build jdk.testlibrary.* 42 * @build jdk.test.lib.hprof.* 43 * @build jdk.test.lib.hprof.model.* 44 * @build jdk.test.lib.hprof.parser.* 45 * @build jdk.test.lib.hprof.util.* 46 * @run main/timeout=240 BasicJMapTest 47 */ 48 public class BasicJMapTest { 49 50 private static ProcessBuilder processBuilder = new ProcessBuilder(); 51 52 public static void main(String[] args) throws Exception { 53 testHisto(); 54 testHistoLive(); 55 testFinalizerInfo(); 56 testClstats(); 57 testDump(); 58 testDumpLive(); 59 } 60 61 private static void testHisto() throws Exception { 62 OutputAnalyzer output = jmap("-histo"); 63 output.shouldHaveExitValue(0); 64 } 65 66 private static void testHistoLive() throws Exception { 67 OutputAnalyzer output = jmap("-histo:live"); 68 output.shouldHaveExitValue(0); 69 } 70 71 private static void testFinalizerInfo() throws Exception { 72 OutputAnalyzer output = jmap("-finalizerinfo"); 73 output.shouldHaveExitValue(0); 74 } 75 76 private static void testClstats() throws Exception { 77 OutputAnalyzer output = jmap("-clstats"); 78 output.shouldHaveExitValue(0); 79 } 80 81 private static void testDump() throws Exception { 82 dump(false); 83 } 84 85 private static void testDumpLive() throws Exception { 86 dump(true); 87 } 88 89 private static void dump(boolean live) throws Exception { 90 File dump = new File("jmap.dump." + System.currentTimeMillis() + ".hprof"); 91 if (dump.exists()) { 92 dump.delete(); 93 } 94 OutputAnalyzer output; 95 if (live) { 96 output = jmap("-dump:live,format=b,file=" + dump.getName()); 97 } else { 98 output = jmap("-dump:format=b,file=" + dump.getName()); 99 } 100 output.shouldHaveExitValue(0); 101 output.shouldContain("Heap dump file created"); 102 verifyDumpFile(dump); 103 dump.delete(); 104 } 105 106 private static void verifyDumpFile(File dump) { 107 assertTrue(dump.exists() && dump.isFile(), "Could not create dump file " + dump.getAbsolutePath()); 108 try { 109 HprofParser.parse(dump); 110 } catch (Exception e) { 111 e.printStackTrace(); 112 fail("Could not parse dump file " + dump.getAbsolutePath()); 113 } 114 } 115 116 private static OutputAnalyzer jmap(String... toolArgs) throws Exception { 117 JDKToolLauncher launcher = JDKToolLauncher.createUsingTestJDK("jmap"); 118 if (toolArgs != null) { 119 for (String toolArg : toolArgs) { 120 launcher.addToolArg(toolArg); 121 } 122 } 123 launcher.addToolArg(Long.toString(ProcessTools.getProcessId())); 124 125 processBuilder.command(launcher.getCommand()); 126 System.out.println(Arrays.toString(processBuilder.command().toArray()).replace(",", "")); 127 OutputAnalyzer output = ProcessTools.executeProcess(processBuilder); 128 System.out.println(output.getOutput()); 129 130 return output; 131 } 132 133 }