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Dmitry Samersoff 2016-09-22 14:29:56 +00:00
commit ce7e3e24e4
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55
hotspot/test/serviceability/sa/LingeredAppWithDefaultMethods.java Normal file
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/*
* 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);
}
}

157
hotspot/test/serviceability/sa/TestDefaultMethods.java Normal file
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/*
* 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);
}
}
}