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Fix so references are properly cleared on Kaffe JVM 

bug 34689, by Guilhem Lavaux

git-svn-id: https://svn.apache.org/repos/asf/jakarta/commons/proper/collections/trunk@169101 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Stephen Colebourne 2005-05-07 17:26:58 +00:00
parent decc437cc7
commit d9796b6160
4 changed files with 51 additions and 32 deletions
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3
project.xml
View File

@ -218,6 +218,9 @@
<contributor>
<name>Olaf Krische</name>
</contributor>
<contributor>
<name>Guilhem Lavaux</name>
</contributor>
<contributor>
<name>David Leppik</name>
</contributor>

22
src/test/org/apache/commons/collections/TestReferenceMap.java
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@ -28,6 +28,7 @@ import org.apache.commons.collections.map.AbstractTestMap;
* @version $Revision$ $Date$
*
* @author Paul Jack
* @author Guilhem Lavaux
*/
public class TestReferenceMap extends AbstractTestMap {
@ -152,14 +153,15 @@ public class TestReferenceMap extends AbstractTestMap {
}
*/
/** Tests whether purge values setting works */
public void testPurgeValues() throws Exception {
// many thanks to Juozas Baliuka for suggesting this method
WeakReference keyReference;
WeakReference valueReference;
public Map buildRefMap() {
Object key = new Object();
Object value = new Object();
WeakReference keyReference = new WeakReference(key);
WeakReference valueReference = new WeakReference(value);
keyReference = new WeakReference(key);
valueReference = new WeakReference(value);
Map testMap = new ReferenceMap(ReferenceMap.WEAK, ReferenceMap.HARD, true);
testMap.put(key, value);
@ -167,10 +169,14 @@ public class TestReferenceMap extends AbstractTestMap {
assertEquals("In map", value, testMap.get(key));
assertNotNull("Weak reference released early (1)", keyReference.get());
assertNotNull("Weak reference released early (2)", valueReference.get());
return testMap;
}
// dereference strong references
key = null;
value = null;
/** Tests whether purge values setting works */
public void testPurgeValues() throws Exception {
// many thanks to Juozas Baliuka for suggesting this method
Map testMap = buildRefMap();
int iterations = 0;
int bytz = 2;

23
src/test/org/apache/commons/collections/map/TestReferenceIdentityMap.java
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@ -31,6 +31,7 @@ import org.apache.commons.collections.IterableMap;
*
* @author Paul Jack
* @author Stephen Colebourne
* @author Guilhem Lavaux
*/
public class TestReferenceIdentityMap extends AbstractTestIterableMap {
@ -261,25 +262,29 @@ public class TestReferenceIdentityMap extends AbstractTestIterableMap {
}
*/
/** Tests whether purge values setting works */
public void testPurgeValues() throws Exception {
// many thanks to Juozas Baliuka for suggesting this method
WeakReference keyReference;
WeakReference valueReference;
public Map buildRefMap() {
Object key = new Object();
Object value = new Object();
WeakReference keyReference = new WeakReference(key);
WeakReference valueReference = new WeakReference(value);
keyReference = new WeakReference(key);
valueReference = new WeakReference(value);
Map testMap = new ReferenceIdentityMap(ReferenceIdentityMap.WEAK, ReferenceIdentityMap.HARD, true);
Map testMap = new ReferenceIdentityMap(ReferenceMap.WEAK, ReferenceMap.HARD, true);
testMap.put(key, value);
assertEquals("In map", value, testMap.get(key));
assertNotNull("Weak reference released early (1)", keyReference.get());
assertNotNull("Weak reference released early (2)", valueReference.get());
return testMap;
}
// dereference strong references
key = null;
value = null;
/** Tests whether purge values setting works */
public void testPurgeValues() throws Exception {
// many thanks to Juozas Baliuka for suggesting this method
Map testMap = buildRefMap();
int iterations = 0;
int bytz = 2;

21
src/test/org/apache/commons/collections/map/TestReferenceMap.java
View File

@ -28,6 +28,7 @@ import org.apache.commons.collections.BulkTest;
* @version $Revision$ $Date$
*
* @author Paul Jack
* @author Guilhem Lavaux
*/
public class TestReferenceMap extends AbstractTestIterableMap {
@ -196,14 +197,15 @@ public class TestReferenceMap extends AbstractTestIterableMap {
}
*/
/** Tests whether purge values setting works */
public void testPurgeValues() throws Exception {
// many thanks to Juozas Baliuka for suggesting this method
WeakReference keyReference;
WeakReference valueReference;
public Map buildRefMap() {
Object key = new Object();
Object value = new Object();
WeakReference keyReference = new WeakReference(key);
WeakReference valueReference = new WeakReference(value);
keyReference = new WeakReference(key);
valueReference = new WeakReference(value);
Map testMap = new ReferenceMap(ReferenceMap.WEAK, ReferenceMap.HARD, true);
testMap.put(key, value);
@ -211,10 +213,13 @@ public class TestReferenceMap extends AbstractTestIterableMap {
assertEquals("In map", value, testMap.get(key));
assertNotNull("Weak reference released early (1)", keyReference.get());
assertNotNull("Weak reference released early (2)", valueReference.get());
return testMap;
}
// dereference strong references
key = null;
value = null;
/** Tests whether purge values setting works */
public void testPurgeValues() throws Exception {
// many thanks to Juozas Baliuka for suggesting this method
Map testMap = buildRefMap();
int iterations = 0;
int bytz = 2;