146 lines
5.9 KiB
Java
146 lines
5.9 KiB
Java
/*
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* Copyright (c) 2015, 2023, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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import java.util.ArrayList;
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import java.util.List;
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import sun.jvm.hotspot.HotSpotAgent;
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import sun.jvm.hotspot.utilities.SystemDictionaryHelper;
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import sun.jvm.hotspot.oops.InstanceKlass;
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import sun.jvm.hotspot.debugger.*;
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import sun.jvm.hotspot.oops.Method;
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import sun.jvm.hotspot.utilities.MethodArray;
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import jdk.test.lib.apps.LingeredApp;
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import jdk.test.lib.Asserts;
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import jdk.test.lib.JDKToolLauncher;
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import jdk.test.lib.JDKToolFinder;
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import jdk.test.lib.Platform;
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import jdk.test.lib.process.ProcessTools;
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import jdk.test.lib.process.OutputAnalyzer;
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import jdk.test.lib.SA.SATestUtils;
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import jdk.test.lib.Utils;
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/**
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* @test
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* @library /test/lib
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* @requires vm.hasSA
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* @modules java.base/jdk.internal.misc
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* jdk.hotspot.agent/sun.jvm.hotspot
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* jdk.hotspot.agent/sun.jvm.hotspot.utilities
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* jdk.hotspot.agent/sun.jvm.hotspot.oops
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* jdk.hotspot.agent/sun.jvm.hotspot.debugger
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* @run driver TestDefaultMethods
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*/
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public class TestDefaultMethods {
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private static LingeredAppWithDefaultMethods theApp = null;
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private static void printDefaultMethods(String pid,
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String[] instanceKlassNames) {
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HotSpotAgent agent = new HotSpotAgent();
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try {
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agent.attach(Integer.parseInt(pid));
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}
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catch (DebuggerException e) {
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System.out.println(e.getMessage());
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System.err.println("Unable to connect to process ID: " + pid);
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agent.detach();
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e.printStackTrace();
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}
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for (String instanceKlassName : instanceKlassNames) {
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InstanceKlass iKlass = SystemDictionaryHelper.findInstanceKlass(instanceKlassName);
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MethodArray methods = iKlass.getMethods();
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MethodArray defaultMethods = iKlass.getDefaultMethods();
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for (int i = 0; i < methods.length(); i++) {
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Method m = methods.at(i);
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System.out.println("Method: " + m.getName().asString() +
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" in instance klass: " + instanceKlassName);
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}
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if (defaultMethods != null) {
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for (int j = 0; j < defaultMethods.length(); j++) {
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Method dm = defaultMethods.at(j);
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System.out.println("Default method: " + dm.getName().asString() +
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" in instance klass: " + instanceKlassName);
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}
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} else {
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System.out.println("No default methods in " + instanceKlassName);
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}
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}
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agent.detach();
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}
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private static void createAnotherToAttach(
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String[] instanceKlassNames,
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long lingeredAppPid) throws Exception {
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// Start a new process to attach to the lingered app
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ProcessBuilder processBuilder = ProcessTools.createLimitedTestJavaProcessBuilder(
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"--add-modules=jdk.hotspot.agent",
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"--add-exports=jdk.hotspot.agent/sun.jvm.hotspot=ALL-UNNAMED",
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"--add-exports=jdk.hotspot.agent/sun.jvm.hotspot.utilities=ALL-UNNAMED",
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"--add-exports=jdk.hotspot.agent/sun.jvm.hotspot.oops=ALL-UNNAMED",
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"--add-exports=jdk.hotspot.agent/sun.jvm.hotspot.debugger=ALL-UNNAMED",
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"TestDefaultMethods",
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Long.toString(lingeredAppPid));
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SATestUtils.addPrivilegesIfNeeded(processBuilder);
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OutputAnalyzer SAOutput = ProcessTools.executeProcess(processBuilder);
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SAOutput.shouldHaveExitValue(0);
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System.out.println(SAOutput.getOutput());
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SAOutput.shouldContain(
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"Default method: hasScript in instance klass: " + instanceKlassNames[1]);
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SAOutput.shouldContain(
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"No default methods in " + instanceKlassNames[0]);
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SAOutput.shouldContain(
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"Method: hasScript in instance klass: " + instanceKlassNames[0]);
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SAOutput.shouldContain(
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"No default methods in " + instanceKlassNames[2]);
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}
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public static void main (String... args) throws Exception {
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SATestUtils.skipIfCannotAttach(); // throws SkippedException if attach not expected to work.
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String[] instanceKlassNames = new String[] {
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"Language",
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"ParselTongue",
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"SlytherinSpeak"
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};
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if (args == null || args.length == 0) {
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try {
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theApp = new LingeredAppWithDefaultMethods();
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LingeredApp.startApp(theApp, "-XX:+UsePerfData");
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createAnotherToAttach(instanceKlassNames,
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theApp.getPid());
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} finally {
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LingeredApp.stopApp(theApp);
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}
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} else {
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printDefaultMethods(args[0], instanceKlassNames);
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}
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}
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}
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