| /* |
| * Copyright (c) 2019, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| /** |
| * @test |
| * @bug 8225715 |
| * @requires vm.hasSAandCanAttach |
| * @library /test/lib |
| * @compile JShellHeapDumpTest.java |
| * @run main/timeout=240 JShellHeapDumpTest |
| */ |
| |
| import static jdk.test.lib.Asserts.assertTrue; |
| |
| import java.io.IOException; |
| import java.io.File; |
| import java.util.List; |
| import java.util.Arrays; |
| import java.util.Map; |
| |
| import jdk.test.lib.JDKToolLauncher; |
| import jdk.test.lib.JDKToolFinder; |
| import jdk.test.lib.process.OutputAnalyzer; |
| import jdk.test.lib.process.ProcessTools; |
| import jdk.test.lib.hprof.parser.HprofReader; |
| |
| import jdk.jshell.JShell; |
| |
| public class JShellHeapDumpTest { |
| |
| protected static Process jShellProcess; |
| |
| public static void launch(String expectedMessage, List<String> toolArgs) |
| throws IOException { |
| |
| try { |
| launchJshell(); |
| long jShellPID = jShellProcess.pid(); |
| |
| System.out.println("Starting " + toolArgs.get(0) + " against " + jShellPID); |
| JDKToolLauncher launcher = JDKToolLauncher.createUsingTestJDK("jhsdb"); |
| |
| for (String cmd : toolArgs) { |
| launcher.addToolArg(cmd); |
| } |
| |
| launcher.addToolArg("--pid=" + Long.toString(jShellPID)); |
| |
| ProcessBuilder processBuilder = new ProcessBuilder(launcher.getCommand()); |
| OutputAnalyzer output = ProcessTools.executeProcess(processBuilder); |
| System.out.println("jhsdb jmap stdout:"); |
| System.out.println(output.getStdout()); |
| System.out.println("jhsdb jmap stderr:"); |
| System.out.println(output.getStderr()); |
| System.out.println("###### End of all output:"); |
| output.shouldNotContain("null"); |
| output.shouldHaveExitValue(0); |
| } catch (Exception ex) { |
| throw new RuntimeException("Test ERROR " + ex, ex); |
| } finally { |
| if (jShellProcess.isAlive()) { |
| System.out.println("Destroying jshell"); |
| jShellProcess.destroy(); |
| System.out.println("Jshell destroyed"); |
| } else { |
| System.out.println("Jshell not alive"); |
| } |
| } |
| } |
| |
| public static void launch(String expectedMessage, String... toolArgs) |
| throws IOException { |
| |
| launch(expectedMessage, Arrays.asList(toolArgs)); |
| } |
| |
| public static void printStackTraces(String file) throws IOException { |
| try { |
| String output = HprofReader.getStack(file, 0); |
| if (!output.contains("JShellToolProvider")) { |
| throw new RuntimeException("'JShellToolProvider' missing from stdout/stderr"); |
| } |
| } catch (Exception ex) { |
| throw new RuntimeException("Test ERROR " + ex, ex); |
| } |
| } |
| |
| public static void testHeapDump() throws IOException { |
| File hprofFile = new File("jhsdb.jmap.heap." + |
| System.currentTimeMillis() + ".hprof"); |
| if (hprofFile.exists()) { |
| hprofFile.delete(); |
| } |
| |
| launch("heap written to", "jmap", |
| "--binaryheap", "--dumpfile=" + hprofFile.getAbsolutePath()); |
| |
| assertTrue(hprofFile.exists() && hprofFile.isFile(), |
| "Could not create dump file " + hprofFile.getAbsolutePath()); |
| |
| printStackTraces(hprofFile.getAbsolutePath()); |
| |
| System.out.println("hprof file size: " + hprofFile.length()); |
| hprofFile.delete(); |
| } |
| |
| public static void launchJshell() throws IOException { |
| System.out.println("Starting Jshell"); |
| long startTime = System.currentTimeMillis(); |
| try { |
| ProcessBuilder pb = new ProcessBuilder(JDKToolFinder.getTestJDKTool("jshell")); |
| jShellProcess = ProcessTools.startProcess("JShell", pb, |
| s -> { // warm-up predicate |
| return s.contains("Welcome to JShell"); |
| }); |
| } catch (Exception ex) { |
| throw new RuntimeException("Test ERROR " + ex, ex); |
| } |
| |
| long elapsedTime = System.currentTimeMillis() - startTime; |
| System.out.println("Jshell Started in " + elapsedTime + "ms"); |
| |
| // Give jshell a chance to fully start up. This makes SA more stable for the jmap dump. |
| try { |
| Thread.sleep(2000); |
| } catch (Exception e) { |
| } |
| } |
| |
| public static void main(String[] args) throws Exception { |
| |
| testHeapDump(); |
| |
| // The test throws RuntimeException on error. |
| // IOException is thrown if Jshell can't start because of some bad |
| // environment condition |
| System.out.println("Test PASSED"); |
| } |
| } |