3 files changed, 7 insertions, 10 deletions
diff --git a/components/script/dom/location.rs b/components/script/dom/location.rs
index b9f1867e923..4f4c44e4015 100644
--- a/components/script/dom/location.rs
+++ b/components/script/dom/location.rs
@@ -9,6 +9,7 @@ use dom::bindings::js::{JSRef, Temporary};
 use dom::bindings::utils::{Reflector, reflect_dom_object};
 use dom::urlhelper::UrlHelper;
 use dom::window::Window;
+use dom::window::WindowHelpers;
 use page::Page;
 
 use util::str::DOMString;
@@ -37,6 +38,11 @@ impl Location {
 }
 
 impl<'a> LocationMethods for JSRef<'a, Location> {
+    // https://html.spec.whatwg.org/multipage/browsers.html#dom-location-assign
+    fn Assign(self, url: DOMString) {
+        self.page.frame().as_ref().unwrap().window.root().r().load_url(url);
+    }
+
     fn Href(self) -> DOMString {
         UrlHelper::Href(&self.page.get_url())
     }
diff --git a/components/script/dom/webidls/Location.webidl b/components/script/dom/webidls/Location.webidl
index 99076988122..95d5cf1872b 100644
--- a/components/script/dom/webidls/Location.webidl
+++ b/components/script/dom/webidls/Location.webidl
@@ -5,7 +5,7 @@
 
 // http://www.whatwg.org/html/#location
 /*[Unforgeable]*/ interface Location {
-  //void assign(DOMString url);
+  void assign(DOMString url);
   //void replace(DOMString url);
   //void reload();
 };
diff --git a/tests/wpt/metadata/html/dom/interfaces.html.ini b/tests/wpt/metadata/html/dom/interfaces.html.ini
index b9c8eff57bf..35f198ddf2d 100644
--- a/tests/wpt/metadata/html/dom/interfaces.html.ini
+++ b/tests/wpt/metadata/html/dom/interfaces.html.ini
@@ -8646,21 +8646,12 @@
   [Location interface object length]
     expected: FAIL
 
-  [Location interface: operation assign(DOMString)]
-    expected: FAIL
-
   [Location interface: operation replace(DOMString)]
     expected: FAIL
 
   [Location interface: operation reload()]
     expected: FAIL
 
-  [Location interface: window.location must inherit property "assign" with the proper type (0)]
-    expected: FAIL
-
-  [Location interface: calling assign(DOMString) on window.location with too few arguments must throw TypeError]
-    expected: FAIL
-
   [Location interface: window.location must inherit property "replace" with the proper type (1)]
     expected: FAIL