Add form getter for input/button elements; update test expectations

components/script/dom/htmlbuttonelement.rs

@@ -15,7 +15,7 @@ use dom::event::Event;
 use dom::eventtarget::{EventTarget, EventTargetTypeId};
 use dom::htmlelement::{HTMLElement, HTMLElementTypeId};
 use dom::htmlformelement::{FormControl, FormSubmitter};
-use dom::htmlformelement::{SubmittedFrom};
+use dom::htmlformelement::{SubmittedFrom, HTMLFormElement};
 use dom::node::{Node, NodeTypeId, document_from_node, window_from_node};
 use dom::validitystate::ValidityState;
 use dom::virtualmethods::VirtualMethods;
@@ -82,6 +82,11 @@ impl HTMLButtonElementMethods for HTMLButtonElement {
     // https://www.whatwg.org/html/#dom-fe-disabled
     make_bool_setter!(SetDisabled, "disabled");
 
+    // https://html.spec.whatwg.org/multipage#dom-fae-form
+    fn GetForm(&self) -> Option<Root<HTMLFormElement>> {
+        self.form_owner()
+    }
+
     // https://html.spec.whatwg.org/multipage/#dom-button-type
     fn Type(&self) -> DOMString {
         let elem = ElementCast::from_ref(self);

components/script/dom/htmlinputelement.rs

@@ -229,6 +229,11 @@ impl HTMLInputElementMethods for HTMLInputElement {
     // https://www.whatwg.org/html/#dom-fe-disabled
     make_bool_setter!(SetDisabled, "disabled");
 
+    // https://html.spec.whatwg.org/multipage/#dom-fae-form
+    fn GetForm(&self) -> Option<Root<HTMLFormElement>> {
+        self.form_owner()
+    }
+
     // https://html.spec.whatwg.org/multipage/#dom-input-defaultchecked
     make_bool_getter!(DefaultChecked, "checked");
 

components/script/dom/webidls/HTMLButtonElement.webidl

@@ -7,7 +7,7 @@
 interface HTMLButtonElement : HTMLElement {
   //         attribute boolean autofocus;
              attribute boolean disabled;
-  //readonly attribute HTMLFormElement? form;
+  readonly attribute HTMLFormElement? form;
              attribute DOMString formAction;
              attribute DOMString formEnctype;
              attribute DOMString formMethod;

components/script/dom/webidls/HTMLInputElement.webidl

@@ -13,7 +13,7 @@ interface HTMLInputElement : HTMLElement {
            attribute boolean checked;
   //         attribute DOMString dirName;
            attribute boolean disabled;
-  //readonly attribute HTMLFormElement? form;
+  readonly attribute HTMLFormElement? form;
   //readonly attribute FileList? files;
              attribute DOMString formAction;
              attribute DOMString formEnctype;

tests/wpt/metadata/html/dom/interfaces.html.ini

@@ -5079,9 +5079,6 @@
   [HTMLInputElement interface: attribute dirName]
     expected: FAIL
 
-  [HTMLInputElement interface: attribute form]
-    expected: FAIL
-
   [HTMLInputElement interface: attribute files]
     expected: FAIL
 
@@ -5208,9 +5205,6 @@
   [HTMLInputElement interface: document.createElement("input") must inherit property "dirName" with the proper type (6)]
     expected: FAIL
 
-  [HTMLInputElement interface: document.createElement("input") must inherit property "form" with the proper type (8)]
-    expected: FAIL
-
   [HTMLInputElement interface: document.createElement("input") must inherit property "files" with the proper type (9)]
     expected: FAIL
 
@@ -5346,9 +5340,6 @@
   [HTMLButtonElement interface: attribute autofocus]
     expected: FAIL
 
-  [HTMLButtonElement interface: attribute form]
-    expected: FAIL
-
   [HTMLButtonElement interface: attribute formNoValidate]
     expected: FAIL
 
@@ -5376,9 +5367,6 @@
   [HTMLButtonElement interface: document.createElement("button") must inherit property "autofocus" with the proper type (0)]
     expected: FAIL
 
-  [HTMLButtonElement interface: document.createElement("button") must inherit property "form" with the proper type (2)]
-    expected: FAIL
-
   [HTMLButtonElement interface: document.createElement("button") must inherit property "formNoValidate" with the proper type (6)]
     expected: FAIL
 

tests/wpt/metadata/html/semantics/forms/form-control-infrastructure/form.html.ini

@@ -1,14 +1,8 @@
 [form.html]
   type: testharness
-  [button.form]
-    expected: FAIL
-
   [fieldset.form]
     expected: FAIL
 
-  [input.form]
-    expected: FAIL
-
   [keygen.form]
     expected: FAIL