test mount redraw count

api/tests/test-mount.js

@@ -213,4 +213,24 @@ o.spec("mount", function() {
 			done()
 		}, FRAME_BUDGET)
 	})
+	
+	o("throttles", function(done, timeout) {
+		timeout(200)
+
+		var i = 0
+		mount(root, {view: function() {i++}})
+		var before = i
+
+		redrawService.redraw()
+		redrawService.redraw()
+
+		var after = i
+
+		setTimeout(function(){
+			o(before).equals(1)
+			o(after).equals(1)
+			o(i).equals(2)
+			done()
+		},40)
+	})
 })