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/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
*
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/**
* @author Anatoly F. Bondarenko
*/
/**
* Created on 04.03.2005
*/
package org.apache.harmony.jpda.tests.jdwp.ObjectReference;
import org.apache.harmony.jpda.tests.share.JPDADebuggeeSynchronizer;
import org.apache.harmony.jpda.tests.share.SyncDebuggee;
public class EnableCollectionDebuggee extends SyncDebuggee {
static EnableCollectionObject001_01 checkedObject;
static boolean checkedObject_Finalized = false;
static EnableCollectionObject001_02 patternObject;
static boolean patternObject_Finalized = false;
@Override
public void run() {
logWriter.println("--> Debuggee: EnableCollectionDebuggee: START");
// Allocates test objects to be sure there is no local reference
// to them.
allocateTestObjects();
synchronizer.sendMessage(JPDADebuggeeSynchronizer.SGNL_READY);
String messageFromTest = synchronizer.receiveMessage();
if ( messageFromTest.equals("TO_FINISH")) {
logWriter.println("--> Debuggee: EnableCollectionDebuggee: FINISH");
return;
}
// Releases test objects so there is no more reference to them. We do it in a
// separate method to avoid having any local reference to them.
releaseTestObjects();
// Allocates many objects to increase the heap.
causeMemoryDepletion();
// Requests GC and finalization of objects.
System.gc();
System.runFinalization();
System.gc();
logWriter.println("--> Debuggee: AFTER System.gc():");
logWriter.println("--> Debuggee: checkedObject = " + checkedObject);
logWriter.println("--> Debuggee: checkedObject_UNLOADed = " + checkedObject_Finalized);
logWriter.println("--> Debuggee: patternObject = " + patternObject);
logWriter.println("--> Debuggee: patternObject_UNLOADed = " + patternObject_Finalized);
String messageForTest = buildMessage();
logWriter.println("--> Debuggee: Send to test message: \"" + messageForTest + "\"");
synchronizer.sendMessage(messageForTest);
synchronizer.receiveMessage(JPDADebuggeeSynchronizer.SGNL_CONTINUE);
logWriter.println("--> Debuggee: EnableCollectionDebuggee: FINISH");
}
private void allocateTestObjects() {
checkedObject = new EnableCollectionObject001_01();
patternObject = new EnableCollectionObject001_02();
}
private void releaseTestObjects() {
logWriter.println("--> Debuggee: BEFORE System.gc():");
logWriter.println("--> Debuggee: checkedObject = " + checkedObject);
logWriter.println("--> Debuggee: checkedObject_UNLOADed = " + checkedObject_Finalized);
logWriter.println("--> Debuggee: patternObject = " + patternObject);
logWriter.println("--> Debuggee: patternObject_UNLOADed = " + patternObject_Finalized);
checkedObject = null;
patternObject = null;
}
private void causeMemoryDepletion() {
long[][] longArray;
try {
longArray = new long[1000000][];
int arraysNumberLimit = 8; // max - longArray.length
logWriter.println
("--> Debuggee: memory depletion - creating 'long[1000000]' arrays (" + arraysNumberLimit + ")...");
for (int i = 0; i < arraysNumberLimit; i++) {
longArray[i] = new long[1000000];
}
} catch (OutOfMemoryError outOfMem) {
logWriter.println("--> Debuggee: OutOfMemoryError!!!");
}
}
private String buildMessage() {
StringBuilder messageBuilder = new StringBuilder();
messageBuilder.append("Checked Object is ");
if (checkedObject_Finalized) {
messageBuilder.append("UNLOADed");
} else {
messageBuilder.append("NOT UNLOADed");
}
messageBuilder.append("; Pattern Object is ");
if (patternObject_Finalized) {
messageBuilder.append("UNLOADed");
} else {
messageBuilder.append("NOT UNLOADed");
}
messageBuilder.append(";");
return messageBuilder.toString();
}
public static void main(String [] args) {
runDebuggee(EnableCollectionDebuggee.class);
}
}
class EnableCollectionObject001_01 {
@Override
protected void finalize() throws Throwable {
EnableCollectionDebuggee.checkedObject_Finalized = true;
super.finalize();
}
}
class EnableCollectionObject001_02 {
@Override
protected void finalize() throws Throwable {
EnableCollectionDebuggee.patternObject_Finalized = true;
super.finalize();
}
}
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