New OpenLayers.Tile.Image.getCanvasContext function

2012-01-18 14:06:22 +01:00
parent 57ae02f381
commit b4ac0af5d8
2 changed files with 57 additions and 0 deletions
@@ -399,6 +399,31 @@
            map.destroy();
        });
    }
+
+    function test_getCanvasContext(t) {
+        if (!OpenLayers.CANVAS_SUPPORTED) {
+            t.plan(0);
+        } else {
+            t.plan(1);
+
+            var map = new OpenLayers.Map('map');
+            var layer = new OpenLayers.Layer.WMS("OpenLayers WMS",
+                "http://labs.metacarta.com/wms/vmap0?", {layers: 'basic'});
+            map.addLayer(layer);
+            map.setCenter(new OpenLayers.LonLat(0, 0), 5);
+
+            t.delay_call(5, function() {
+                var tile = layer.grid[0][0];
+                if (tile.isLoading) {
+                    t.ok(false, "test_getCanvasContext timeout");
+                } else {
+                    t.ok(tile.getCanvasContext() instanceof CanvasRenderingContext2D,
+                         "getCanvasContext() returns CanvasRenderingContext2D instance");
+                }
+                map.destroy();
+            });
+        }
+    }
    
  </script>
 </head>