property value being null is OK in comparison.

git-svn-id: https://hudson.dev.java.net/svn/hudson/trunk/hudson/main@36017 71c3de6d-444a-0410-be80-ed276b4c234a

test/src/main/java/org/jvnet/hudson/test/HudsonTestCase.java

@@ -1015,6 +1015,10 @@ public abstract class HudsonTestCase extends TestCase implements RootAction {
      * via {@link DataBoundConstructor}
      */
     public void assertEqualDataBoundBeans(Object lhs, Object rhs) throws Exception {
+        if (lhs==null && rhs==null)     return;
+        if (lhs==null)      fail("lhs is null while rhs="+rhs);
+        if (rhs==null)      fail("rhs is null while lhs="+rhs);
+        
         Constructor<?> lc = findDataBoundConstructor(lhs.getClass());
         Constructor<?> rc = findDataBoundConstructor(rhs.getClass());
         assertEquals("Data bound constructor mismatch. Different type?",lc,rc);