fix($location): decode non-component special chars in Hashbang URLS

Fixes angular#16316 (comment)

Author: petebacondarwin

src/ng/location.js

@@ -422,7 +422,7 @@ var locationPrototype = {
     }
 
     var match = PATH_MATCH.exec(url);
-    if (match[1] || url === '') this.path(decodeURI(match[1]));
+    if (match[1] || url === '') this.path((this.$$html5 ? decodeURI : decodeURIComponent)(match[1]));
     if (match[2] || match[1] || url === '') this.search(match[3] || '');
     this.hash(match[5] || '');
 

test/ng/locationSpec.js

@@ -673,6 +673,20 @@ describe('$location', function() {
         locationUrl.search({'q': '4/5 6'});
         expect(locationUrl.absUrl()).toEqual('http://host.com?q=4%2F5%206');
       });
+
+      it('url() should decode non-component special characters in hashbang mode', function() {
+        var locationUrl = new LocationHashbangUrl('http://host.com', 'http://host.com');
+        locationUrl.$$parse('http://host.com');
+        locationUrl.url('/foo%3Abar');
+        expect(locationUrl.path()).toEqual('/foo:bar');
+      });
+
+      it('url() should not decode non-component special characters in html5 mode', function() {
+        var locationUrl = new LocationHtml5Url('http://host.com', 'http://host.com');
+        locationUrl.$$parse('http://host.com');
+        locationUrl.url('/foo%3Abar');
+        expect(locationUrl.path()).toEqual('/foo%3Abar');
+      });
     });
   });