GetFeatureInfo control does not send required FORMAT parameter, r=tschaub (closes #2201)

git-svn-id: http://svn.openlayers.org/trunk/openlayers@9718 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf

lib/OpenLayers/Control/WMSGetFeatureInfo.js

@@ -357,6 +357,7 @@ OpenLayers.Control.WMSGetFeatureInfo = OpenLayers.Class(OpenLayers.Control, {
                     y: clickPosition.y,
                     height: this.map.getSize().h,
                     width: this.map.getSize().w,
+                    format: layers[0].params.FORMAT,
                     info_format: this.infoFormat 
                 }, this.vendorParams), 
                 callback: function(request) {

tests/Control/WMSGetFeatureInfo.html

@@ -169,7 +169,7 @@
     // Verify that things work all right when we combine different types for the STYLES and LAYERS
     // params in the WMS Layers involved
     function test_mixedParams(t) {
-        t.plan(2);
+        t.plan(3);
         var map = new OpenLayers.Map("map", {
             getExtent: function() {return(new OpenLayers.Bounds(-180,-90,180,90));}
             }
@@ -221,6 +221,12 @@
             "Styles merged correctly"
         );
 
+        t.eq(
+            log.options && log.options.params.format,
+            "image/jpeg",
+            "Required 'format' parameter included"
+ 	    );
+
     }
 
     function test_urlMatches(t) {