Handle features without bounds.

Updates to tests to work with new wrap dateline code.  Canvas renderer needs to handle geometries without bounds as well.

lib/OpenLayers/Renderer/Canvas.js

@@ -166,7 +166,7 @@ OpenLayers.Renderer.Canvas = OpenLayers.Class(OpenLayers.Renderer, {
                 worldBounds = this.map.getMaxExtent();
             }
 
-            var intersects = bounds.intersectsBounds(this.extent, {worldBounds: worldBounds});
+            var intersects = bounds && bounds.intersectsBounds(this.extent, {worldBounds: worldBounds});
 
             rendered = (style.display !== "none") && !!bounds && intersects;
             if (rendered) {

tests/Renderer/Canvas.html

@@ -3,6 +3,24 @@
 <script src="../OLLoader.js"></script>
   <script type="text/javascript">
     var supported = OpenLayers.Renderer.Canvas.prototype.supported();
+    
+    var map, layer;
+    function setUp() {
+        map = new OpenLayers.Map("map");
+        layer = new OpenLayers.Layer.Vector(null, {
+            isBaseLayer: true,
+            renderers: ["Canvas"]
+        });
+        map.addLayer(layer);
+        map.setCenter(new OpenLayers.LonLat(0, 0));
+    }
+    
+    function tearDown() {
+        map.destroy();
+        map = null;
+        layer = null;
+    }
+    
     function test_Renderer_Canvas_constructor(t) {
         if (!supported) { t.plan(0); return; }
         t.plan(2);
@@ -18,16 +36,17 @@
     function test_Renderer_Canvas_setextent(t) {
         if (!supported) { t.plan(0); return; }
         t.plan(2);
-        var el = document.body;
-        el.id = "foo";
-        var r = new OpenLayers.Renderer.Canvas(el.id);
         
+        setUp();
+        
+        var r = layer.renderer;        
         var extent = new OpenLayers.Bounds(1,2,3,4);
         r.resolution = 1;
         r.setExtent(extent, true);
         t.ok(r.extent.equals(extent), "extent is correctly set");
         t.eq(r.resolution, null, "resolution nullified");
-        r.destroy();
+        
+        tearDown();
     }
     
     function test_Renderer_Canvas_setsize(t) {
@@ -124,18 +143,8 @@
         }
         
         t.plan(10);
-        var layer = new OpenLayers.Layer.Vector(null, {
-            isBaseLayer: true,
-            renderers: ["Canvas"]
-        });
         
-        var map = new OpenLayers.Map({
-            div: "map",
-            controls: [],
-            layers: [layer],
-            center: new OpenLayers.LonLat(0, 0),
-            zoom: 0
-        });
+        setUp();
         
         var renderer = layer.renderer;
         var count = 0;
@@ -192,7 +201,7 @@
         t.eq(count, 1, "d) redraw is called when drawing a feature without bounds");
         renderer.clear();
 
-        map.destroy();
+        tearDown();
     }