mshtml: Forward toString to the document node.

dlls/mshtml/oleobj.c

@@ -2384,16 +2384,7 @@ HTMLDOCUMENTOBJ_FWD_TO_NODE_1(HTMLDocument2, put_onbeforeupdate, VARIANT)
 HTMLDOCUMENTOBJ_FWD_TO_NODE_1(HTMLDocument2, get_onbeforeupdate, VARIANT*)
 HTMLDOCUMENTOBJ_FWD_TO_NODE_1(HTMLDocument2, put_onerrorupdate, VARIANT)
 HTMLDOCUMENTOBJ_FWD_TO_NODE_1(HTMLDocument2, get_onerrorupdate, VARIANT*)
-
-static HRESULT WINAPI DocObjHTMLDocument2_toString(IHTMLDocument2 *iface, BSTR *String)
-{
-    HTMLDocumentObj *This = impl_from_IHTMLDocument2(iface);
-
-    TRACE("(%p)->(%p)\n", This, String);
-
-    return dispex_to_string(&This->dispex, String);
-}
-
+HTMLDOCUMENTOBJ_FWD_TO_NODE_1(HTMLDocument2, toString, BSTR*)
 HTMLDOCUMENTOBJ_FWD_TO_NODE_3(HTMLDocument2, createStyleSheet, BSTR,LONG,IHTMLStyleSheet**)
 
 static const IHTMLDocument2Vtbl DocObjHTMLDocument2Vtbl = {

dlls/mshtml/tests/events.c

@@ -2786,6 +2786,13 @@ static void test_doc_obj(IHTMLDocument2 *doc)
         CHECK_CALLED(docobj_onclick);
     }
 
+    bstr = NULL;
+    hres = IHTMLDocument2_toString(doc, &bstr);
+    ok(hres == S_OK, "toString failed: %08lx\n", hres);
+    todo_wine_if(document_mode >= 9)
+    ok(!wcscmp(bstr, (document_mode < 9 ? L"[object]" : L"[object Document]")), "toString returned %s\n", wine_dbgstr_w(bstr));
+    SysFreeString(bstr);
+
     /* Navigate to a different document mode page, checking using the same doc obj.
        Test that it breaks COM rules, since IEventTarget is conditionally exposed.
        All the events registered on the old doc node are also removed. */