From f6e20a0b755f248a922483138c19bbc091bbdad3 Mon Sep 17 00:00:00 2001
From: crschmidt <crschmidt@crschmidt.net>
Date: Sun, 20 Jan 2008 20:03:42 +0000
Subject: [PATCH] Fix for Projection.equals fails when passed 'null'.
 r=pagameba (Closes #1286)

git-svn-id: http://svn.openlayers.org/trunk/openlayers@5825 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf
---
 lib/OpenLayers/Projection.js | 6 +++++-
 tests/test_Projection.html   | 3 +++
 2 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/lib/OpenLayers/Projection.js b/lib/OpenLayers/Projection.js
index 3209b361ef..e12d108dd1 100644
--- a/lib/OpenLayers/Projection.js
+++ b/lib/OpenLayers/Projection.js
@@ -89,7 +89,11 @@ OpenLayers.Projection = OpenLayers.Class({
      * {Boolean} The two projections are equivalent.
      */
     equals: function(projection) {
-        return this.getCode() == projection.getCode();
+        if (projection && projection.getCode) {
+            return this.getCode() == projection.getCode();
+        } else {
+            return false;
+        }    
     },
 
     /* Method: destroy
diff --git a/tests/test_Projection.html b/tests/test_Projection.html
index c37aafa56c..a98dd57516 100644
--- a/tests/test_Projection.html
+++ b/tests/test_Projection.html
@@ -18,6 +18,9 @@
          out = OpenLayers.Projection.transform({'x':10,'y':12}, projection, projection2); 
          t.eq(out.x, 10, "Null transform has no effect"); 
          t.eq(out.y, 12, "Null transform has no effect"); 
+
+         t.eq(projection.equals(null), false, "equals on null projection returns false");
+         t.eq(projection.equals({}), false, "equals on null projection object returns false (doesn't call getCode)");
      } 
        
     </script>