diff --git a/reactos/subsys/system/cmd/seta_test.cmd b/reactos/subsys/system/cmd/seta_test.cmd
new file mode 100644
index 00000000000..044094d1118
--- /dev/null
+++ b/reactos/subsys/system/cmd/seta_test.cmd
@@ -0,0 +1,67 @@
+@echo off
+if ("1"=="2") goto failure
+if !("1"=="1") goto failure
+set /a a=1
+if !("%a%"=="1") goto failure
+set /a b=a
+if !("%b%"=="1") goto failure
+set /a a=!5
+if !("%a%"=="0") goto failure
+set /a a=~5
+if !("%a%"=="-6") goto failure
+set /a a=5,a=-a
+if !("%a%"=="-5") goto failure
+set /a a=5*7
+if !("%a%"=="35") goto failure
+set /a a=2000/10
+if !("%a%"=="200") goto failure
+set /a a=42%9
+if !("%a%"=="6") goto failure
+set /a a=7+9
+if !("%a%"=="16") goto failure
+set /a a=9-7
+if !("%a%"=="2") goto failure
+set /a a=9^<^<2
+if !("%a%"=="36") goto failure
+set /a a=36^>^>2
+if !("%a%"=="9") goto failure
+set /a a=42^&9
+if !("%a%"=="8") goto failure
+set /a a=32^^9
+if !("%a%"=="41") goto failure
+set /a a=10^|22
+if !("%a%"=="30") goto failure
+set /a a=2,a*=3
+if !("%a%"=="6") goto failure
+set /a a=11,a/=2
+if !("%a%"=="5") goto failure
+set /a a=42,a%=9
+if !("%a%"=="6") goto failure
+set /a a=7,a+=9
+if !("%a%"=="16") goto failure
+set /a a=9,a-=7
+if !("%a%"=="2") goto failure
+set /a a=42,a^&=9
+if !("%a%"=="8") goto failure
+set /a a=32,a^^=9
+if !("%a%"=="41") goto failure
+set /a a=10,a^|=22
+if !("%a%"=="30") goto failure
+set /a a=9,a^<^<=2
+if !("%a%"=="36") goto failure
+set /a a=36,a^>^>=2
+if !("%a%"=="9") goto failure
+set /a a=(1,2)
+if !("%a%"=="2") goto failure
+set /a a=(a=1,a+2)
+if ("%a%"=="3") goto success
+goto failure
+
+:success
+echo SUCCESS!
+goto done
+
+:failure
+echo FAILURE! (remove the echo off and see the last formula that executed before this line)
+
+:done