diff --git a/test.js b/test.js
index b9f1748..c084bd6 100755
--- a/test.js
+++ b/test.js
@@ -19,6 +19,11 @@ tests = [
     ['060C69C7C79AB78084C289F9870D', '2.25.84478768945400492475277', 'Big OID arc'],
     ['06146982968D8D889BCCA8C7B3BDD4C080AAAED78A1B', '2.25.184830721219540099336690027854602552603', 'Bigger OID arc'],
     ['060488378952', '2.999.1234', 'OID arc > 2.47'],
+    ['060A81FFFFFFFFFFFFFFFF7F', '2.18446744073709551535', 'OID root 64 bit - 1'],
+    ['060A82808080808080808000', '2.18446744073709551536', 'OID root 64 bit'],
+    ['060A82808080808080808001', '2.18446744073709551537', 'OID root 64 bit + 1'],
+    ['0620FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF7F', '2.26959946667150639794667015087019630673637144422540572481103610249135', 'OID derLen20c'],
+    ['0621818080808080808080808080808080808080808080808080808080808080808000', '2.26959946667150639794667015087019630673637144422540572481103610249136', 'OID derLen21c'],
     ['02102FA176B36EE9F049F444B40099661945', '(126 bit)\n63312083136615639753586560173617846597', 'Big integer (126 bit)'],
     ['028181008953097086EE6147C5F4D5FFAF1B498A3D11EC5518E964DC52126B2614F743883F64CA51377ABB530DFD20464A48BD67CD27E7B29AEC685C5D10825E605C056E4AB8EEA460FA27E55AA62C498B02D7247A249838A12ECDF37C6011CF4F0EDEA9CEE687C1CB4A51C6AE62B2EFDB000723A01C99D6C23F834880BA8B42D5414E6F',
         '(1024 bit)\n96432446964907009840023644401994013457468837455140331578268642517697945390319089463541388080569398374873228752921897678940332050406994011437231634303608704223145390228074087922901239478374991949372306413157758278029522534299413919735715864599284769202556071242381348472464716517735026291259010477833523908207',