--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/test/jdk/sun/tools/jhsdb/JShellHeapDumpTest.java Thu Oct 17 20:53:35 2019 +0100
@@ -0,0 +1,169 @@
+/*
+ * 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 {
+
+ static Process jShellProcess;
+ static boolean doSleep = true; // By default do a short sleep when app starts up
+
+ 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.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 {
+ if (doSleep) {
+ Thread.sleep(2000);
+ }
+ } catch (Exception e) {
+ }
+ }
+
+ public static void main(String[] args) throws Exception {
+ if (args.length == 1) {
+ if (args[0].equals("nosleep")) {
+ doSleep = false;
+ } else {
+ throw new RuntimeException("Invalid arg: " + args[0]);
+ }
+ } else if (args.length != 0) {
+ throw new RuntimeException("Too many args: " + args.length);
+ }
+ 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");
+ }
+}