Add message to assertions.

2015-03-30 22:50:15 +02:00
parent 2c40d74a15
commit fb9ba22c30
45 changed files with 394 additions and 221 deletions
@@ -98,7 +98,8 @@ ol.source.BingMaps.prototype.handleImageryMetadataResponse =
  }
  //var copyright = response.copyright;  // FIXME do we need to display this?
  var resource = response.resourceSets[0].resources[0];
-  goog.asserts.assert(resource.imageWidth == resource.imageHeight);
+  goog.asserts.assert(resource.imageWidth == resource.imageHeight,
+      'resource has imageWidth equal to imageHeight, i.e. is square');
  var maxZoom = this.maxZoom_ == -1 ? resource.zoomMax : this.maxZoom_;

  var sourceProjection = this.getProjection();
@@ -129,7 +130,8 @@ ol.source.BingMaps.prototype.handleImageryMetadataResponse =
                     */
                    function(tileCoord, pixelRatio, projection) {
                      goog.asserts.assert(ol.proj.equivalent(
-                          projection, sourceProjection));
+                          projection, sourceProjection),
+                          'projections are equivalent');
                      if (goog.isNull(tileCoord)) {
                        return undefined;
                      } else {