diff --git a/test/onetest.cmd b/test/onetest.cmd
index dd57e6e..13536bf 100755
--- a/test/onetest.cmd
+++ b/test/onetest.cmd
@@ -13,6 +13,8 @@ REM
 @if "%TIDYOUT%." == "." goto Err3
 @if NOT EXIST %TIDYOUT%\nul goto Err4
 @if NOT EXIST input\nul goto Err5
+@if "%1x" == "x" goto Err8
+@if "%2x" == "x" goto Err9
 
 set TESTNO=%1
 set EXPECTED=%2
@@ -105,4 +107,13 @@ goto done
 @pause
 @goto done
 
+:Err8
+@echo.
+@echo ERROR: No input test number given!
+:Err9
+@echo ERROR: No expected exit value given!
+@echo.
+@goto done
+
+
 :done