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stabilized test with GC issues

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This commit is contained in:
benjamin 2013-05-23 11:06:36 +02:00
parent 55d9ad8daf
commit b50b25bf21
1 changed files with 10 additions and 7 deletions
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17
src/test/java/net/engio/mbassy/WeakConcurrentSetTest.java
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@ -9,7 +9,7 @@ import java.util.HashSet;
import java.util.Random;
/**
* Todo: Add javadoc
*
*
* @author bennidi
* Date: 3/29/13
@ -21,12 +21,11 @@ public class WeakConcurrentSetTest extends ConcurrentSetTest{
return new WeakConcurrentSet();
}
//@Ignore("Currently fails when building as a suite with JDK 1.7.0_15 and Maven 3.0.5 on a Mac")
@Test
public void testIteratorCleanup() {
// Assemble
final HashSet<Object> persistingCandidates = new HashSet<Object>();
final HashSet<Object> permanentElements = new HashSet<Object>();
final IConcurrentSet testSetWeak = createSet();
final Random rand = new Random();
@ -34,13 +33,13 @@ public class WeakConcurrentSetTest extends ConcurrentSetTest{
Object candidate = new Object();
if (rand.nextInt() % 3 == 0) {
persistingCandidates.add(candidate);
permanentElements.add(candidate);
}
testSetWeak.add(candidate);
}
// Remove/Garbage collect all objects that have not
// been inserted into the set of persisting candidates.
// been inserted into the set of permanent candidates.
runGC();
ConcurrentExecutor.runConcurrent(new Runnable() {
@ -54,9 +53,13 @@ public class WeakConcurrentSetTest extends ConcurrentSetTest{
}
}, numberOfThreads);
assertEquals(persistingCandidates.size(), testSetWeak.size());
// the set should have cleaned up the garbage collected elements
// it must still contain all of the permanent objects
// since different GC mechanisms can be used (not necessarily full, stop-the-world) not all dead objects
// must have been collected
assertTrue(permanentElements.size() <= testSetWeak.size() && testSetWeak.size() < numberOfElements);
for (Object test : testSetWeak) {
assertTrue(persistingCandidates.contains(test));
assertTrue(permanentElements.contains(test));
}
}