Release heap space after test cases

1 files changed, 35 insertions, 0 deletions

diff --git a/plugins/org.eclipse.net4j.tests/src/org/eclipse/net4j/util/tests/AbstractOMTest.java b/plugins/org.eclipse.net4j.tests/src/org/eclipse/net4j/util/tests/AbstractOMTest.java
index 6caa2d943a..483ecb774e 100644
--- a/plugins/org.eclipse.net4j.tests/src/org/eclipse/net4j/util/tests/AbstractOMTest.java
+++ b/plugins/org.eclipse.net4j.tests/src/org/eclipse/net4j/util/tests/AbstractOMTest.java
@@ -11,6 +11,7 @@
 package org.eclipse.net4j.util.tests;
 
 import org.eclipse.net4j.tests.bundle.OM;
+import org.eclipse.net4j.util.ReflectUtil;
 import org.eclipse.net4j.util.concurrent.ConcurrencyUtil;
 import org.eclipse.net4j.util.event.EventUtil;
 import org.eclipse.net4j.util.event.IListener;
@@ -29,6 +30,8 @@ import org.eclipse.net4j.util.om.trace.ContextTracer;
 import org.eclipse.net4j.util.om.trace.PrintTraceHandler;
 
 import java.io.File;
+import java.lang.reflect.Field;
+import java.lang.reflect.Modifier;
 import java.text.SimpleDateFormat;
 import java.util.ArrayList;
 import java.util.Arrays;
@@ -197,6 +200,15 @@ public abstract class AbstractOMTest extends TestCase
       IOUtil.print(ex);
     }
 
+    try
+    {
+      clearReferences(getClass());
+    }
+    catch (Exception ex)
+    {
+      IOUtil.print(ex);
+    }
+
     if (!SUPPRESS_OUTPUT)
     {
       IOUtil.OUT().println();
@@ -204,6 +216,29 @@ public abstract class AbstractOMTest extends TestCase
     }
   }
 
+  protected void clearReferences(Class<?> c)
+  {
+    if (c != AbstractOMTest.class)
+    {
+      for (Field field : c.getDeclaredFields())
+      {
+        if (Modifier.isStatic(field.getModifiers()))
+        {
+          continue;
+        }
+
+        if (field.getType().isPrimitive())
+        {
+          continue;
+        }
+
+        ReflectUtil.setValue(field, this, null);
+      }
+
+      clearReferences(c.getSuperclass());
+    }
+  }
+
   @Override
   public void runBare() throws Throwable
   {