1 /* 2 * Copyright (c) 2019, 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 /** 25 * @test 26 * @bug 8225715 27 * @requires vm.hasSAandCanAttach 28 * @library /test/lib 29 * @compile -encoding utf8 JShellHeapDumpTest.java 30 * @run main/timeout=240 JShellHeapDumpTest 31 */ 32 33 import static jdk.test.lib.Asserts.assertTrue; 34 35 import java.io.IOException; 36 import java.io.File; 37 import java.util.List; 38 import java.util.Arrays; 39 import java.util.Map; 40 41 import jdk.test.lib.JDKToolLauncher; 42 import jdk.test.lib.process.OutputAnalyzer; 43 import jdk.test.lib.process.ProcessTools; 44 import jdk.test.lib.hprof.parser.HprofReader; 45 46 import jdk.jshell.JShell; 47 48 public class JShellHeapDumpTest { 49 50 protected static Process process; 51 52 private static long pid; 53 54 public static void launch(String expectedMessage, List<String> toolArgs) 55 throws IOException { 56 57 try { 58 launchJshell(); 59 60 System.out.println("Starting " + toolArgs.get(0) + " against " + pid); 61 JDKToolLauncher launcher = JDKToolLauncher.createUsingTestJDK("jhsdb"); 62 63 for (String cmd : toolArgs) { 64 launcher.addToolArg(cmd); 65 } 66 67 launcher.addToolArg("--pid=" + Long.toString(pid)); 68 69 ProcessBuilder processBuilder = new ProcessBuilder(launcher.getCommand()); 70 processBuilder.redirectError(ProcessBuilder.Redirect.INHERIT); 71 OutputAnalyzer output = ProcessTools.executeProcess(processBuilder); 72 System.out.println("stdout:"); 73 System.out.println(output.getStdout()); 74 System.out.println("stderr:"); 75 System.out.println(output.getStderr()); 76 output.shouldNotContain("null"); 77 output.shouldHaveExitValue(0); 78 } catch (Exception ex) { 79 throw new RuntimeException("Test ERROR " + ex, ex); 80 } finally { 81 if (process.isAlive()) { 82 process.destroy(); 83 } 84 } 85 } 86 87 public static void launch(String expectedMessage, String... toolArgs) 88 throws IOException { 89 90 launch(expectedMessage, Arrays.asList(toolArgs)); 91 } 92 93 public static void printStackTraces(String file) throws IOException { 94 try { 95 String output = HprofReader.getStack(file, 0); 96 if (!output.contains("JShellToolProvider")) { 97 throw new RuntimeException("'JShellToolProvider' missing from stdout/stderr"); 98 } 99 } catch (Exception ex) { 100 throw new RuntimeException("Test ERROR " + ex, ex); 101 } 102 } 103 104 public static void testHeapDump() throws IOException { 105 File dump = new File("jhsdb.jmap.heap." + 106 System.currentTimeMillis() + ".hprof"); 107 if (dump.exists()) { 108 dump.delete(); 109 } 110 111 launch("heap written to", "jmap", 112 "--binaryheap", "--dumpfile=" + dump.getAbsolutePath()); 113 114 assertTrue(dump.exists() && dump.isFile(), 115 "Could not create dump file " + dump.getAbsolutePath()); 116 117 printStackTraces(dump.getAbsolutePath()); 118 119 dump.delete(); 120 } 121 122 public static void launchJshell() throws IOException { 123 System.out.println("Starting Jshell"); 124 String jdkPath = System.getProperty("test.jdk"); 125 if (jdkPath == null) { 126 // we are not under jtreg, try env 127 Map<String, String> env = System.getenv(); 128 jdkPath = env.get("TESTJAVA"); 129 } 130 131 if (jdkPath == null) { 132 throw new RuntimeException("Can't determine jdk path neither test.jdk property no TESTJAVA env are set"); 133 } 134 135 String osname = System.getProperty("os.name"); 136 String jshell = jdkPath + ((osname.startsWith("window")) ? "/bin/jshell.exe" : "/bin/jshell"); 137 138 process = Runtime.getRuntime().exec(jshell); 139 pid = process.pid(); 140 } 141 142 public static void main(String[] args) throws Exception { 143 144 testHeapDump(); 145 146 // The test throws RuntimeException on error. 147 // IOException is thrown if Jshell can't start because of some bad 148 // environment condition 149 System.out.println("Test PASSED"); 150 } 151 }