From 0e6b671c2373c14ca1e50519d906555271e2f152 Mon Sep 17 00:00:00 2001
From: Sven Gothel <sgothel@jausoft.com>
Date: Mon, 31 Jan 2011 07:02:31 +0100
Subject: Fix: VersionNumber compare shall throw ClassCastException if argument
 is of different kind

---
 src/java/com/jogamp/common/util/VersionNumber.java | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/java/com/jogamp/common/util/VersionNumber.java b/src/java/com/jogamp/common/util/VersionNumber.java
index 8c997e6..f0ba820 100644
--- a/src/java/com/jogamp/common/util/VersionNumber.java
+++ b/src/java/com/jogamp/common/util/VersionNumber.java
@@ -54,9 +54,11 @@ public class VersionNumber implements Comparable {
     }
     
     public final int compareTo(Object o) {
-        if( ! ( o instanceof VersionNumber ) ) {
-            return -1;
+        if ( ! ( o instanceof VersionNumber ) ) {
+            Class c = (null != o) ? o.getClass() : null ;
+            throw new ClassCastException("Not a Capabilities object: " + c);
         }
+
         VersionNumber vo = (VersionNumber) o;
         if (major > vo.major) {
             return 1;
-- 
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