Add assert message

2016-03-18 16:27:40 -06:00
parent 1339d6b3a6
commit 51dfe89425
2 changed files with 2 additions and 2 deletions
--- a/src/ol/render/canvas/canvasimmediate.js
+++ b/src/ol/render/canvas/canvasimmediate.js
@@ -541,7 +541,7 @@ ol.render.canvas.Immediate.prototype.drawFeature = function(feature, style) {
    render.setFillStrokeStyle(style.getFill(), style.getStroke());
    render.setImageStyle(style.getImage());
    render.setTextStyle(style.getText());
-    goog.asserts.assert(geometry);
+    goog.asserts.assert(geometry, 'geometry must be truthy');
    render.drawGeometry(geometry);
  });
 };