Allow protocol relative urls in resolveUrl

src/Core.js

@@ -329,7 +329,7 @@ function resolveUrl(url){
     url = url.replace(reDoubleSlash, "$1/");
 
     // If the url is a valid url we do nothing
-    if (!url.match(/^(http||https):\/\//)) {
+    if (!url.match(/^(http:||https:)?\/\//)) {
         // If this is a relative path
         var path = (url.substring(0, 1) === "/") ? "" : location.pathname;
         if (path.substring(path.length - 1) !== "/") {

src/tests/tests.js

@@ -112,7 +112,9 @@ function runTests(){
             this.url2 = "http://foo.bar:80/a/b/c?d=e#f";
             this.url3 = "http://foo.bar:88/a/b/c?d=e#f";
             this.url4 = "hTtp://Foo.Bar:88/a/b/c?d=e#f";
-
+            this.url5 = "/a/b/c?d=e#f";
+            this.url6 = "https://foo.bar/a/b/c?d=e#f";
+            this.url7 = "//foo.bar/a/b/c?d=e#f"
         },
         steps: [{
             name: "getDomainName",
@@ -147,6 +149,24 @@ function runTests(){
                 }) ===
                 "http://foo.bar:80/a/b/c?d=e&g=h#f";
             }
+        }, {
+            name: "resolveUrl",
+            run: function(){
+                return resolveUrl(this.url5) ===
+                location.protocol + "//" + location.host + "/a/b/c?d=e#f";
+            }
+        }, {
+            name: "resolveUrl with different protocol",
+            run: function(){
+                return resolveUrl(this.url6) ===
+                "https://foo.bar/a/b/c?d=e#f";
+            }
+        }, {
+            name: "resolveUrl with relative protocol",
+            run: function(){
+                return resolveUrl(this.url7) ===
+                "//foo.bar/a/b/c?d=e#f";
+            }
         }]
     }, {
         name: "Check the ACL feature",