Theory Shadow_DOM_BaseTest

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section‹Shadow DOM Base Tests›

theory Shadow_DOM_BaseTest
  imports
    "../Shadow_DOM"
begin


definition "assert_throws e p = do {
  h ← get_heap;
  (if (h ⊢ p →e e) then return () else error AssertException)
}"
notation assert_throws (‹assert'_throws'(_, _')›)

definition "test p h ⟷ h ⊢ ok p"


definition field_access :: "(string ⇒ (_, (_) object_ptr option) dom_prog) ⇒ string ⇒
(_, (_) object_ptr option) dom_prog"  (infix ‹.› 80)
  where
    "field_access m field = m field"

definition assert_equals :: "'a ⇒ 'a ⇒ (_, unit) dom_prog"
  where
    "assert_equals l r = (if l = r then return () else error AssertException)"
definition assert_equals_with_message :: "'a ⇒ 'a ⇒ 'b ⇒ (_, unit) dom_prog"
  where
    "assert_equals_with_message l r _ = (if l = r then return () else error AssertException)"
notation assert_equals (‹assert'_equals'(_, _')›)
notation assert_equals_with_message (‹assert'_equals'(_, _, _')›)
notation assert_equals (‹assert'_array'_equals'(_, _')›)
notation assert_equals_with_message (‹assert'_array'_equals'(_, _, _')›)

definition assert_not_equals :: "'a ⇒ 'a ⇒ (_, unit) dom_prog"
  where
    "assert_not_equals l r = (if l ≠ r then return () else error AssertException)"
definition assert_not_equals_with_message :: "'a ⇒ 'a ⇒ 'b ⇒ (_, unit) dom_prog"
  where
    "assert_not_equals_with_message l r _ = (if l ≠ r then return () else error AssertException)"
notation assert_not_equals (‹assert'_not'_equals'(_, _')›)
notation assert_not_equals_with_message (‹assert'_not'_equals'(_, _, _')›)
notation assert_not_equals (‹assert'_array'_not'_equals'(_, _')›)
notation assert_not_equals_with_message (‹assert'_array'_not'_equals'(_, _, _')›)

(* TODO: why don't the code equations of noop work here?  *)
definition removeWhiteSpaceOnlyTextNodes :: "((_) object_ptr option) ⇒ (_, unit) dom_prog"
  where
    "removeWhiteSpaceOnlyTextNodes _ = return ()"


subsection ‹Making the functions under test compatible with untyped languages such as JavaScript›

fun set_attribute_with_null :: "((_) object_ptr option) ⇒ attr_key ⇒ attr_value ⇒ (_, unit) dom_prog"
  where
    "set_attribute_with_null (Some ptr) k v = (case cast ptr of
      Some element_ptr ⇒ set_attribute element_ptr k (Some v))"
fun set_attribute_with_null2 :: "((_) object_ptr option) ⇒ attr_key ⇒ attr_value option ⇒ (_, unit) dom_prog"
  where
    "set_attribute_with_null2 (Some ptr) k v = (case cast ptr of
      Some element_ptr ⇒ set_attribute element_ptr k v)"
notation set_attribute_with_null (‹_ . setAttribute'(_, _')›)
notation set_attribute_with_null2 (‹_ . setAttribute'(_, _')›)

fun get_child_nodesCore_DOM_with_null :: "((_) object_ptr option) ⇒ (_, (_) object_ptr option list) dom_prog"
  where
    "get_child_nodesCore_DOM_with_null (Some ptr) = do {
      children ← get_child_nodes ptr;
      return (map (Some ∘ cast) children)
    }"
notation get_child_nodesCore_DOM_with_null (‹_ . childNodes›)

fun create_element_with_null :: "((_) object_ptr option) ⇒ string ⇒ (_, ((_) object_ptr option)) dom_prog"
  where
    "create_element_with_null (Some owner_document_obj) tag = (case cast owner_document_obj of
      Some owner_document ⇒ do {
        element_ptr ← create_element owner_document tag;
        return (Some (cast element_ptr))})"
notation create_element_with_null (‹_ . createElement'(_')›)

fun create_character_data_with_null :: "((_) object_ptr option) ⇒ string ⇒ (_, ((_) object_ptr option)) dom_prog"
  where
    "create_character_data_with_null (Some owner_document_obj) tag = (case cast owner_document_obj of
      Some owner_document ⇒ do {
        character_data_ptr ← create_character_data owner_document tag;
        return (Some (cast character_data_ptr))})"
notation create_character_data_with_null (‹_ . createTextNode'(_')›)

definition create_document_with_null :: "string ⇒ (_, ((_::linorder) object_ptr option)) dom_prog"
  where
    "create_document_with_null title = do {
      new_document_ptr ← create_document;
      html ← create_element new_document_ptr ''html'';
      append_child (cast new_document_ptr) (cast html);
      heap ← create_element new_document_ptr ''heap'';
      append_child (cast html) (cast heap);
      body ← create_element new_document_ptr ''body'';
      append_child (cast html) (cast body);
      return (Some (cast new_document_ptr))
    }"
abbreviation "create_document_with_null2 _ _ _ ≡ create_document_with_null ''''"
notation create_document_with_null (‹createDocument'(_')›)
notation create_document_with_null2 (‹createDocument'(_, _, _')›)

fun get_element_by_id_with_null ::
  "((_::linorder) object_ptr option) ⇒ string ⇒ (_, ((_) object_ptr option)) dom_prog"
  where
    "get_element_by_id_with_null (Some ptr) id' = do {
        element_ptr_opt ← get_element_by_id ptr id';
        (case element_ptr_opt of
          Some element_ptr ⇒ return (Some (castelement_ptr2object_ptr element_ptr))
        | None ⇒ return None)}"
  | "get_element_by_id_with_null _ _ = error SegmentationFault"
notation get_element_by_id_with_null (‹_ . getElementById'(_')›)

fun get_elements_by_class_name_with_null ::
  "((_::linorder) object_ptr option) ⇒ string ⇒ (_, ((_) object_ptr option) list) dom_prog"
  where
    "get_elements_by_class_name_with_null (Some ptr) class_name =
      get_elements_by_class_name ptr class_name ⤜ map_M (return ∘ Some ∘ castelement_ptr2object_ptr)"
notation get_elements_by_class_name_with_null (‹_ . getElementsByClassName'(_')›)

fun get_elements_by_tag_name_with_null ::
  "((_::linorder) object_ptr option) ⇒ string ⇒ (_, ((_) object_ptr option) list) dom_prog"
  where
    "get_elements_by_tag_name_with_null (Some ptr) tag =
      get_elements_by_tag_name ptr tag ⤜ map_M (return ∘ Some ∘ castelement_ptr2object_ptr)"
notation get_elements_by_tag_name_with_null (‹_ . getElementsByTagName'(_')›)

fun insert_before_with_null ::
  "((_::linorder) object_ptr option) ⇒ ((_) object_ptr option) ⇒ ((_) object_ptr option) ⇒
(_, ((_) object_ptr option)) dom_prog"
  where
    "insert_before_with_null (Some ptr) (Some child_obj) ref_child_obj_opt = (case cast child_obj of
      Some child ⇒ do {
        (case ref_child_obj_opt of
          Some ref_child_obj ⇒ insert_before ptr child (cast ref_child_obj)
        | None ⇒ insert_before ptr child None);
        return (Some child_obj)}
    | None ⇒ error HierarchyRequestError)"
notation insert_before_with_null (‹_ . insertBefore'(_, _')›)

fun append_child_with_null ::
  "((_::linorder) object_ptr option) ⇒ ((_) object_ptr option) ⇒ (_, unit) dom_prog"
  where
    "append_child_with_null (Some ptr) (Some child_obj) = (case cast child_obj of
      Some child ⇒ append_child ptr child
    | None ⇒ error SegmentationFault)"
notation append_child_with_null (‹_ . appendChild'(_')›)
code_thms append_child_with_null
fun get_body :: "((_::linorder) object_ptr option) ⇒ (_, ((_) object_ptr option)) dom_prog"
  where
    "get_body ptr = do {
       ptrs ← ptr . getElementsByTagName(''body'');
       return (hd ptrs)
    }"
notation get_body (‹_ . body›)

fun get_document_element_with_null ::
  "((_::linorder) object_ptr option) ⇒ (_, ((_) object_ptr option)) dom_prog"
  where
    "get_document_element_with_null (Some ptr) = (case castobject_ptr2document_ptr ptr of
    Some document_ptr ⇒ do {
      element_ptr_opt ← get_M document_ptr document_element;
      return (case element_ptr_opt of
        Some element_ptr ⇒ Some (castelement_ptr2object_ptr element_ptr)
      | None ⇒ None)})"
notation get_document_element_with_null (‹_ . documentElement›)

fun get_owner_document_with_null :: "((_::linorder) object_ptr option) ⇒ (_, ((_) object_ptr option)) dom_prog"
  where
    "get_owner_document_with_null (Some ptr) = (do {
        document_ptr ← get_owner_document ptr;
        return (Some (castdocument_ptr2object_ptr document_ptr))})"
notation get_owner_document_with_null (‹_ . ownerDocument›)

fun remove_with_null :: "((_::linorder) object_ptr option) ⇒ (_, ((_) object_ptr option)) dom_prog"
  where
    "remove_with_null (Some child) = (case cast child of
      Some child_node ⇒ do {
        remove child_node;
        return (Some child)}
    | None ⇒ error NotFoundError)"
  | "remove_with_null None = error TypeError"
notation remove_with_null (‹_ . remove'(')›)

fun remove_child_with_null ::
  "((_::linorder) object_ptr option) ⇒ ((_) object_ptr option) ⇒ (_, ((_) object_ptr option)) dom_prog"
  where
    "remove_child_with_null (Some ptr) (Some child) = (case cast child of
      Some child_node ⇒ do {
        remove_child ptr child_node;
        return (Some child)}
    | None ⇒ error NotFoundError)"
  | "remove_child_with_null None _ = error TypeError"
  | "remove_child_with_null _ None = error TypeError"
notation remove_child_with_null (‹_ . removeChild›)

fun get_tag_name_with_null :: "((_) object_ptr option) ⇒ (_, attr_value) dom_prog"
  where
    "get_tag_name_with_null (Some ptr) = (case cast ptr of
      Some element_ptr ⇒ get_M element_ptr tag_name)"
notation get_tag_name_with_null (‹_ . tagName›)

abbreviation "remove_attribute_with_null ptr k ≡ set_attribute_with_null2 ptr k None"
notation remove_attribute_with_null (‹_ . removeAttribute'(_')›)

fun get_attribute_with_null :: "((_) object_ptr option) ⇒ attr_key ⇒ (_, attr_value option) dom_prog"
  where
    "get_attribute_with_null (Some ptr) k = (case cast ptr of
      Some element_ptr ⇒ get_attribute element_ptr k)"
fun get_attribute_with_null2 :: "((_) object_ptr option) ⇒ attr_key ⇒ (_, attr_value) dom_prog"
  where
    "get_attribute_with_null2 (Some ptr) k = (case cast ptr of
      Some element_ptr ⇒ do {
        a ← get_attribute element_ptr k;
        return (the a)})"
notation get_attribute_with_null (‹_ . getAttribute'(_')›)
notation get_attribute_with_null2 (‹_ . getAttribute'(_')›)

fun get_parent_with_null :: "((_::linorder) object_ptr option) ⇒ (_, (_) object_ptr option) dom_prog"
  where
    "get_parent_with_null (Some ptr) = (case cast ptr of
      Some node_ptr ⇒ get_parent node_ptr)"
notation get_parent_with_null (‹_ . parentNode›)

fun first_child_with_null :: "((_) object_ptr option) ⇒ (_, ((_) object_ptr option)) dom_prog"
  where
    "first_child_with_null (Some ptr) = do {
      child_opt ← first_child ptr;
      return (case child_opt of
        Some child ⇒ Some (cast child)
      | None ⇒ None)}"
notation first_child_with_null (‹_ . firstChild›)

fun adopt_node_with_null ::
  "((_::linorder) object_ptr option) ⇒ ((_) object_ptr option) ⇒ (_, ((_) object_ptr option)) dom_prog"
  where
    "adopt_node_with_null (Some ptr) (Some child) = (case cast ptr of
      Some document_ptr ⇒ (case cast child of
        Some child_node ⇒ do {
          adopt_node document_ptr child_node;
          return (Some child)}))"
notation adopt_node_with_null (‹_ . adoptNode'(_')›)


fun get_shadow_root_with_null :: "((_) object_ptr option) ⇒ (_, (_) object_ptr option) dom_prog"
  where
    "get_shadow_root_with_null (Some ptr) = (case cast ptr of
      Some element_ptr ⇒ do {
        shadow_root ← get_shadow_root element_ptr;
        (case shadow_root of Some sr ⇒ return (Some (cast sr))
                             | None ⇒ return None)})"
notation get_shadow_root_with_null (‹_ . shadowRoot›)


subsection ‹Making the functions under test compatible with untyped languages such as JavaScript›
fun get_element_by_id_si_with_null ::
  "(_::linorder) object_ptr option ⇒ string ⇒ (_, (_) object_ptr option) dom_prog"
  where
    "get_element_by_id_si_with_null (Some ptr) id' = do {
        element_ptr_opt ← get_element_by_id_si ptr id';
        (case element_ptr_opt of
          Some element_ptr ⇒ return (Some (castelement_ptr2object_ptr element_ptr))
        | None ⇒ return None)}"
  | "get_element_by_id_si_with_null _ _ = error SegmentationFault"

fun find_slot_closed_with_null ::
  "(_::linorder) object_ptr option ⇒ (_, (_) object_ptr option) dom_prog"
  where
    "find_slot_closed_with_null (Some ptr) = (case castobject_ptr2node_ptr ptr of
      Some node_ptr ⇒ do {
        element_ptr_opt ← find_slot True node_ptr;
        (case element_ptr_opt of
          Some element_ptr ⇒ return (Some (castelement_ptr2object_ptr element_ptr))
        | None ⇒ return None)}
    | None ⇒ error SegmentationFault)"
  | "find_slot_closed_with_null None = error SegmentationFault"
notation find_slot_closed_with_null (‹_ . assignedSlot›)

fun assigned_nodes_with_null ::
  "(_::linorder) object_ptr option ⇒ (_, (_) object_ptr option list) dom_prog"
  where
    "assigned_nodes_with_null (Some ptr) = (case castobject_ptr2element_ptr ptr of
      Some element_ptr ⇒ do {
        l ← assigned_nodes element_ptr;
        return (map Some (map castnode_ptr2object_ptr l))}
    | None ⇒ error SegmentationFault)"
  | "assigned_nodes_with_null None = error SegmentationFault"
notation assigned_nodes_with_null (‹_ . assignedNodes'(')›)

fun assigned_nodes_flatten_with_null ::
  "(_::linorder) object_ptr option ⇒ (_, (_) object_ptr option list) dom_prog"
  where
    "assigned_nodes_flatten_with_null (Some ptr) = (case castobject_ptr2element_ptr ptr of
      Some element_ptr ⇒ do {
        l ← assigned_nodes_flatten element_ptr;
        return (map Some (map castnode_ptr2object_ptr l))}
    | None ⇒ error SegmentationFault)"
  | "assigned_nodes_flatten_with_null None = error SegmentationFault"
notation assigned_nodes_flatten_with_null (‹_ . assignedNodes'(True')›)

fun get_assigned_elements_with_null ::
  "(_::linorder) object_ptr option ⇒ (_, (_) object_ptr option list) dom_prog"
  where
    "get_assigned_elements_with_null (Some ptr) = (case castobject_ptr2element_ptr ptr of
      Some element_ptr ⇒ do {
        l ← assigned_nodes element_ptr;
        l ← map_filter_M (return ∘ castnode_ptr2element_ptr) l;
        return (map Some (map cast l))}
    | None ⇒ error SegmentationFault)"
  | "get_assigned_elements_with_null None = error SegmentationFault"
notation get_assigned_elements_with_null (‹_ . assignedElements'(')›)

fun get_assigned_elements_flatten_with_null ::
  "(_::linorder) object_ptr option ⇒ (_, (_) object_ptr option list) dom_prog"
  where
    "get_assigned_elements_flatten_with_null (Some ptr) = (case castobject_ptr2element_ptr ptr of
      Some element_ptr ⇒ do {
        l ← assigned_nodes_flatten element_ptr;
        return (map Some (map castnode_ptr2object_ptr l))}
    | None ⇒ error SegmentationFault)"
  | "get_assigned_elements_flatten_with_null None = error SegmentationFault"
notation get_assigned_elements_flatten_with_null (‹_ . assignedElements'(True')›)

fun createTestTree ::
  "(_::linorder) object_ptr option ⇒ (_, string ⇒ (_, (_) object_ptr option) dom_prog) dom_prog"
  where
    "createTestTree (Some ref) = do {
      tups ← to_tree_order_si ref ⤜ map_filter_M (λptr. do {
        (case cast ptr of
          Some element_ptr ⇒ do {
            iden_opt ← get_attribute element_ptr ''id'';
            (case iden_opt of
              Some iden ⇒ return (Some (iden, ptr))
            | None ⇒ return None)
          }
        | None ⇒ return None)});
      return (return ∘ map_of tups)
    }"
  | "createTestTree None = error SegmentationFault"


end