mshtml: Added DOCUMENT_NODE type support.

dlls/mshtml/htmlnode.c

@@ -370,6 +370,9 @@ static HRESULT WINAPI HTMLDOMNode_get_nodeType(IHTMLDOMNode *iface, long *p)
     case COMMENT_NODE:
         *p = 8;
         break;
+    case DOCUMENT_NODE:
+        *p = 9;
+        break;
     default:
         /*
          * FIXME:

dlls/mshtml/tests/dom.c

@@ -2068,6 +2068,8 @@ static void test_elems(IHTMLDocument2 *doc)
         IHTMLDOMNode_Release(node2);
         ok(node != NULL, "node == NULL\n");
         test_node_name((IUnknown*)node, "#document");
+        type = get_node_type((IUnknown*)node);
+        ok(type == 9, "type=%ld, expected 9\n", type);
         node2 = test_node_get_parent((IUnknown*)node);
         IHTMLDOMNode_Release(node);
         ok(node2 == NULL, "node != NULL\n");