Ignore lines from coverage if they can't be tested

lib/eval-script.js

@@ -13,6 +13,7 @@ module.exports = function(el) {
 
   script.type = "text/javascript"
 
+  /* istanbul ignore if */
   if (src !== "") {
     script.src = src
     script.async = false // force synchronous loading of peripheral JS
@@ -23,6 +24,7 @@ module.exports = function(el) {
       script.appendChild(document.createTextNode(code))
     }
     catch (e) {
+      /* istanbul ignore next */
       // old IEs have funky script nodes
       script.text = code
     }

lib/parse-options.js

@@ -30,6 +30,7 @@ module.exports = function(options) {
   return options
 }
 
+/* istanbul ignore next */
 function defaultAnalytics() {
   if (window._gaq) {
     _gaq.push(["_trackPageview"])

lib/util/clone.js

@@ -1,4 +1,5 @@
 module.exports = function(obj) {
+  /* istanbul ignore if */
   if (null === obj || "object" !== typeof obj) {
     return obj
   }