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.testlibrary.JDKToolLauncher; 32 import jdk.testlibrary.OutputAnalyzer; 33 import jdk.testlibrary.ProcessTools; 34 35 /* 36 * @test 37 * @key intermittent 38 * @summary Unit test for jmap utility 39 * 40 * @library /lib/testlibrary 41 * @library /test/lib 42 * 43 * @build jdk.testlibrary.* 44 * @build jdk.test.lib.hprof.* 45 * @build jdk.test.lib.hprof.model.* 46 * @build jdk.test.lib.hprof.parser.* 47 * @build jdk.test.lib.hprof.util.* 48 * @run main/timeout=240 BasicJMapTest 49 */ 50 public class BasicJMapTest { 51 52 private static ProcessBuilder processBuilder = new ProcessBuilder(); 53 54 public static void main(String[] args) throws Exception { 55 testHisto(); 56 testHistoLive(); 57 testFinalizerInfo(); 58 testClstats(); 59 testDump(); 60 testDumpLive(); 61 } 62 63 private static void testHisto() throws Exception { 64 OutputAnalyzer output = jmap("-histo"); 65 output.shouldHaveExitValue(0); 66 } 67 68 private static void testHistoLive() throws Exception { 69 OutputAnalyzer output = jmap("-histo:live"); 70 output.shouldHaveExitValue(0); 71 } 72 73 private static void testFinalizerInfo() throws Exception { 74 OutputAnalyzer output = jmap("-finalizerinfo"); 75 output.shouldHaveExitValue(0); 76 } 77 78 private static void testClstats() throws Exception { 79 OutputAnalyzer output = jmap("-clstats"); 80 output.shouldHaveExitValue(0); 81 } 82 83 private static void testDump() throws Exception { 84 dump(false); 85 } 86 87 private static void testDumpLive() throws Exception { 88 dump(true); 89 } 90 91 private static void dump(boolean live) throws Exception { 92 File dump = new File("jmap.dump." + System.currentTimeMillis() + ".hprof"); 93 if (dump.exists()) { 94 dump.delete(); 95 } 96 OutputAnalyzer output; 97 if (live) { 98 output = jmap("-dump:live,format=b,file=" + dump.getName()); 99 } else { 100 output = jmap("-dump:format=b,file=" + dump.getName()); 101 } 102 output.shouldHaveExitValue(0); 103 output.shouldContain("Heap dump file created"); 104 verifyDumpFile(dump); 105 dump.delete(); 106 } 107 108 private static void verifyDumpFile(File dump) { 109 assertTrue(dump.exists() && dump.isFile(), "Could not create dump file " + dump.getAbsolutePath()); 110 try { 111 HprofParser.parse(dump); 112 } catch (Exception e) { 113 e.printStackTrace(); 114 fail("Could not parse dump file " + dump.getAbsolutePath()); 115 } 116 } 117 118 private static OutputAnalyzer jmap(String... toolArgs) throws Exception { 119 JDKToolLauncher launcher = JDKToolLauncher.createUsingTestJDK("jmap"); 120 if (toolArgs != null) { 121 for (String toolArg : toolArgs) { 122 launcher.addToolArg(toolArg); 123 } 124 } 125 launcher.addToolArg(Long.toString(ProcessTools.getProcessId())); 126 127 processBuilder.command(launcher.getCommand()); 128 System.out.println(Arrays.toString(processBuilder.command().toArray()).replace(",", "")); 129 OutputAnalyzer output = ProcessTools.executeProcess(processBuilder); 130 System.out.println(output.getOutput()); 131 132 return output; 133 } 134 135 }