add StrUpper/StrLower

v1:
https://autohotkey.com/docs/commands/StringLower.htm

v2:
https://lexikos.github.io/v2/docs/commands/StrLower.htm

Author: mmikeww

ConvertFuncs.ahk

@@ -40,6 +40,8 @@ Convert(ScriptString)
       StringRight,OutputVar,InputVar,Count | {1} := SubStr({2}, -{3}+1, {3})
       StringTrimLeft,OutputVar,InputVar,Count | {1} := SubStr({2}, 1, -{3})
       StringTrimRight,OutputVar,InputVar,Count | {1} := SubStr({2}, {3}+1)
+      StringUpper,OutputVar,InputVar,Tvar | StrUpper, {1}, `%{2}`%[, {3}]
+      StringLower,OutputVar,InputVar,Tvar | StrLower, {1}, `%{2}`%[, {3}]
       WinGetActiveStats,TitleVar,WidthVar,HeightVar,XVar,YVar | *ActiveStats
       WinGetActiveTitle,OutputVar | WinGetTitle, {1}, A
       DriveSpaceFree,OutputVar,PathVar | DriveGet, {1}, SpaceFree, {2}

tests/Tests.ahk

@@ -744,6 +744,56 @@ class ConvertTests
       Yunit.assert(converted = expected)
    }
 
+   StringUpper()
+   {
+      input_script := "
+         (LTrim Join`r`n %
+                                 var = Chris Mallet
+                                 StringUpper, newvar, var
+         )"
+
+      expected := "
+         (LTrim Join`r`n %
+                                 var := "Chris Mallet"
+                                 StrUpper, newvar, %var%
+         )"
+
+      ;MsgBox, Click OK and the following script will be run with AHK v2:`n`n%expected%
+      ;result := ExecScript(expected)
+      ;MsgBox, End of running script with AHK v2
+      ;msgbox, expected:`n`n%expected%
+      converted := Convert(input_script)
+      ;msgbox, converted:`n`n%converted%
+      Yunit.assert(converted = expected)
+   }
+
+   StringLower()
+   {
+      input_script := "
+         (LTrim Join`r`n %
+                                 var = chris mallet
+                                 StringLower, newvar, var, T
+                                 if (newvar == "Chris Mallet")
+                                    MsgBox, it worked
+         )"
+
+      expected := "
+         (LTrim Join`r`n %
+                                 var := "chris mallet"
+                                 StrLower, newvar, %var%, T
+                                 if (newvar == "Chris Mallet")
+                                    MsgBox, it worked
+         )"
+
+      ;MsgBox, Click OK and the following script will be run with AHK v2:`n`n%expected%
+      ;result := ExecScript(expected)
+      ;MsgBox, End of running script with AHK v2
+      ;msgbox, expected:`n`n%expected%
+      converted := Convert(input_script)
+      ;msgbox, converted:`n`n%converted%
+      Yunit.assert(converted = expected)
+   }
+
    End()
    {
    }