fix svg class updates

test-utils/domMock.js

@@ -151,6 +151,13 @@ module.exports = function() {
 							}
 						}
 					},
+					get className() {
+						return this.attributes["class"] ? this.attributes["class"].nodeValue : ""
+					},
+					set className(value) {
+						if (this.namespaceURI === "http://www.w3.org/2000/svg") throw new Error("Cannot set property className of SVGElement")
+						else this.setAttribute("class", value)
+					},
 					focus: function() {activeElement = this},
 					addEventListener: function(type, callback, useCapture) {
 						if (events[type] == null) events[type] = [callback]

test-utils/tests/index.html

@@ -11,11 +11,11 @@
 		<script src="../../test-utils/callAsync.js"></script>
 		<script src="../../test-utils/parseURL.js"></script>
 		<script src="../../test-utils/pushStateMock.js"></script>
-		<script src="../../test-utils/ajaxMock.js"></script>
+		<script src="../../test-utils/xhrMock.js"></script>
 		<script src="../../test-utils/domMock.js"></script>
 		<script src="test-parseURL.js"></script>
 		<script src="test-pushStateMock.js"></script>
-		<script src="test-ajaxMock.js"></script>
+		<script src="test-xhrMock.js"></script>
 		<script src="test-domMock.js"></script>
 		
 		<script>require("../../ospec/ospec").run()</script>

test-utils/tests/test-domMock.js

@@ -859,4 +859,22 @@ o.spec("domMock", function() {
 			})
 		})
 	})
+	o.spec("className", function() {
+		o("works", function() {
+			var el = $document.createElement("div")
+			el.className = "a"
+			
+			o(el.className).equals("a")
+			o(el.attributes["class"].nodeValue).equals("a")
+		})
+		o("setter throws in svg", function(done) {
+			var el = $document.createElementNS("http://www.w3.org/2000/svg", "svg")
+			try {
+				el.className = "a"
+			}
+			catch (e) {
+				done()
+			}
+		})
+	})
 })