fixed: QuickFix proposal WicketTesterHelper.assertEquals(final Collection<?> expects, final Collection<?> actuals) should compare list sizes
Issue: WICKET-2488


git-svn-id: https://svn.apache.org/repos/asf/wicket/branches/wicket-1.4.x@819098 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/wicket/src/main/java/org/apache/wicket/util/tester/WicketTesterHelper.java b/wicket/src/main/java/org/apache/wicket/util/tester/WicketTesterHelper.java
index 68019d7..f9a0598 100644
--- a/wicket/src/main/java/org/apache/wicket/util/tester/WicketTesterHelper.java
+++ b/wicket/src/main/java/org/apache/wicket/util/tester/WicketTesterHelper.java
@@ -116,7 +116,8 @@
 	 */
 	public static void assertEquals(final Collection<?> expects, final Collection<?> actuals)
 	{
-		if (!expects.containsAll(actuals) || !actuals.containsAll(expects))
+		if ((actuals.size() != expects.size()) || !expects.containsAll(actuals) ||
+			!actuals.containsAll(expects))
 		{
 			failWithVerboseMessage(expects, actuals);
 		}