Name "rtest"
OutFile "rtest.exe"

InstallDir $TEMP
BGGradient 0 FFFF00 00FFFF
DirShow hide
ComponentText "select tests."

Section "test 1"
StrCpy $0 "a"
Call test1
StrCmp $0 "a182345678" success
DetailPrint "Test 1 failed (output: $0)"
Goto end
success:
DetailPrint "Test 1 succeded (output: $0)"
end:
SectionEnd

Function test1
GetLabelAddress $9 skip8
IntOp $9 $9 - 1
StrCpy $0 $01
Call $9
StrCpy $0 $02
StrCpy $0 $03
StrCpy $0 $04
StrCpy $0 $05
StrCpy $0 $06
StrCpy $0 $07
StrCpy $0 $08
skip8:
FunctionEnd

Section "test 2"
StrCpy $0 "0"
StrCpy $1 "11"
GetFunctionAddress $9 test2
Call $9
StrCmp $1 "11,10,9,8,7,6,5,4,3,2,1" success
  DetailPrint "Test 2 failed (output: $1)"
Goto end
success:
  DetailPrint "Test 2 succeded (output: $1)"
end:
SectionEnd

Function test2
IntOp $0 $0 + 1
IntCmp $0 10 done
Push $0
Call test2
Pop $0
done:
  StrCpy $1 "$1,$0"
FunctionEnd