--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/test/serviceability/sa/LingeredAppWithDefaultMethods.java Thu Sep 22 14:29:56 2016 +0000
@@ -0,0 +1,55 @@
+/*
+ * Copyright (c) 2005, 2016, 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.
+ */
+
+import jdk.test.lib.apps.LingeredApp;
+
+interface Language {
+ static final long nbrOfWords = 99999;
+ public abstract long getNbrOfWords();
+ default boolean hasScript() {
+ return true;
+ }
+}
+
+class ParselTongue implements Language {
+ public long getNbrOfWords() {
+ return nbrOfWords * 4;
+ }
+}
+
+class SlytherinSpeak extends ParselTongue {
+ public boolean hasScript() {
+ return false;
+ }
+}
+
+public class LingeredAppWithDefaultMethods extends LingeredApp {
+
+ public static void main(String args[]) {
+ ParselTongue lang = new ParselTongue();
+ SlytherinSpeak slang = new SlytherinSpeak();
+ System.out.println(lang.hasScript() || slang.hasScript());
+
+ LingeredApp.main(args);
+ }
+ }
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/test/serviceability/sa/TestDefaultMethods.java Thu Sep 22 14:29:56 2016 +0000
@@ -0,0 +1,157 @@
+/*
+ * Copyright (c) 2015, 2016, 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.
+ */
+
+import java.util.ArrayList;
+import java.util.List;
+
+import sun.jvm.hotspot.HotSpotAgent;
+import sun.jvm.hotspot.utilities.SystemDictionaryHelper;
+import sun.jvm.hotspot.oops.InstanceKlass;
+import sun.jvm.hotspot.debugger.*;
+import sun.jvm.hotspot.oops.Method;
+import sun.jvm.hotspot.utilities.MethodArray;
+
+import jdk.test.lib.apps.LingeredApp;
+import jdk.test.lib.JDKToolLauncher;
+import jdk.test.lib.JDKToolFinder;
+import jdk.test.lib.Platform;
+import jdk.test.lib.process.ProcessTools;
+import jdk.test.lib.process.OutputAnalyzer;
+import jdk.test.lib.Utils;
+import jdk.test.lib.Asserts;
+
+/*
+ * @test
+ * @library /test/lib
+ * @requires os.family != "mac"
+ * @modules java.base/jdk.internal.misc
+ * jdk.hotspot.agent/sun.jvm.hotspot
+ * jdk.hotspot.agent/sun.jvm.hotspot.utilities
+ * jdk.hotspot.agent/sun.jvm.hotspot.oops
+ * jdk.hotspot.agent/sun.jvm.hotspot.debugger
+ * @run main/othervm TestDefaultMethods
+ */
+
+public class TestDefaultMethods {
+
+ private static LingeredAppWithDefaultMethods theApp = null;
+
+ private static void printDefaultMethods(String pid,
+ String[] instanceKlassNames) {
+ HotSpotAgent agent = new HotSpotAgent();
+ try {
+ agent.attach(Integer.parseInt(pid));
+ }
+ catch (DebuggerException e) {
+ System.out.println(e.getMessage());
+ System.err.println("Unable to connect to process ID: " + pid);
+
+ agent.detach();
+ e.printStackTrace();
+ }
+
+ for (String instanceKlassName : instanceKlassNames) {
+ InstanceKlass iKlass = SystemDictionaryHelper.findInstanceKlass(instanceKlassName);
+ MethodArray methods = iKlass.getMethods();
+ MethodArray defaultMethods = iKlass.getDefaultMethods();
+ for (int i = 0; i < methods.length(); i++) {
+ Method m = methods.at(i);
+ System.out.println("Method: " + m.getName().asString() +
+ " in instance klass: " + instanceKlassName);
+ }
+ if (defaultMethods != null) {
+ for (int j = 0; j < defaultMethods.length(); j++) {
+ Method dm = defaultMethods.at(j);
+ System.out.println("Default method: " + dm.getName().asString() +
+ " in instance klass: " + instanceKlassName);
+ }
+ } else {
+ System.out.println("No default methods in " + instanceKlassName);
+ }
+
+ }
+ agent.detach();
+ }
+
+ private static void createAnotherToAttach(
+ String[] instanceKlassNames,
+ long lingeredAppPid) throws Exception {
+
+ String[] toolArgs = {
+ "--add-modules=jdk.hotspot.agent",
+ "--add-exports=jdk.hotspot.agent/sun.jvm.hotspot=ALL-UNNAMED",
+ "--add-exports=jdk.hotspot.agent/sun.jvm.hotspot.utilities=ALL-UNNAMED",
+ "--add-exports=jdk.hotspot.agent/sun.jvm.hotspot.oops=ALL-UNNAMED",
+ "--add-exports=jdk.hotspot.agent/sun.jvm.hotspot.debugger=ALL-UNNAMED",
+ "TestDefaultMethods",
+ Long.toString(lingeredAppPid)
+ };
+
+ // Start a new process to attach to the lingered app
+ ProcessBuilder processBuilder = ProcessTools.createJavaProcessBuilder(toolArgs);
+ OutputAnalyzer SAOutput = ProcessTools.executeProcess(processBuilder);
+ SAOutput.shouldHaveExitValue(0);
+ System.out.println(SAOutput.getOutput());
+
+ SAOutput.shouldContain(
+ "Default method: hasScript in instance klass: " + instanceKlassNames[1]);
+ SAOutput.shouldContain(
+ "No default methods in " + instanceKlassNames[0]);
+ SAOutput.shouldContain(
+ "Method: hasScript in instance klass: " + instanceKlassNames[0]);
+ SAOutput.shouldContain(
+ "No default methods in " + instanceKlassNames[2]);
+ }
+
+ public static void main (String... args) throws Exception {
+
+ String[] instanceKlassNames = new String[] {
+ "Language",
+ "ParselTongue",
+ "SlytherinSpeak"
+ };
+
+ if (!Platform.shouldSAAttach()) {
+ System.out.println(
+ "SA attach not expected to work - test skipped.");
+ return;
+ }
+
+ if (args == null || args.length == 0) {
+ try {
+ List<String> vmArgs = new ArrayList<String>();
+ vmArgs.add("-XX:+UsePerfData");
+ vmArgs.addAll(Utils.getVmOptions());
+
+ theApp = new LingeredAppWithDefaultMethods();
+ LingeredApp.startApp(vmArgs, theApp);
+ createAnotherToAttach(instanceKlassNames,
+ theApp.getPid());
+ } finally {
+ LingeredApp.stopApp(theApp);
+ }
+ } else {
+ printDefaultMethods(args[0], instanceKlassNames);
+ }
+ }
+}