svn commit: r929391 - /ofbiz/trunk/framework/base/src/org/ofbiz/base/test/GenericTestCaseBase.java

[doogie-3]

Author: doogie
Date: Wed Mar 31 06:04:13 2010
New Revision: 929391

URL: http://svn.apache.org/viewvc?rev=929391&view=rev
Log:
Helper method to force an OutOfMemory error to occur.

Modified:
    ofbiz/trunk/framework/base/src/org/ofbiz/base/test/GenericTestCaseBase.java

Modified: ofbiz/trunk/framework/base/src/org/ofbiz/base/test/GenericTestCaseBase.java
URL: http://svn.apache.org/viewvc/ofbiz/trunk/framework/base/src/org/ofbiz/base/test/GenericTestCaseBase.java?rev=929391&r1=929390&r2=929391&view=diff
==============================================================================
--- ofbiz/trunk/framework/base/src/org/ofbiz/base/test/GenericTestCaseBase.java (original)
+++ ofbiz/trunk/framework/base/src/org/ofbiz/base/test/GenericTestCaseBase.java Wed Mar 31 06:04:13 2010
@@ -27,6 +27,7 @@ import java.util.HashSet;
 import java.util.Iterator;
 import java.util.LinkedHashMap;
 import java.util.LinkedHashSet;
+import java.util.LinkedList;
 import java.util.List;
 import java.util.Map;
 import java.util.Set;
@@ -42,6 +43,18 @@ public abstract class GenericTestCaseBas
         super(name);
     }
 
+    public static void useAllMemory() throws Exception {
+        LinkedList<long[]> dummy = new LinkedList<long[]>();
+        try {
+            do {
+                dummy.add(new long[1048576]);
+            } while (true);
+        } catch (OutOfMemoryError e) {
+            System.gc();
+            Thread.sleep(100);
+        }
+    }
+
     public static void assertStaticHelperClass(Class<?> clz) throws Exception {
         Constructor<?>[] constructors = clz.getDeclaredConstructors();
         assertEquals(clz.getName() + " constructor count", 1, constructors.length);