patch 8.2.4193: cannot use an import in 'charconvert'
Problem: Cannot use an import in 'charconvert'.
Solution: Set the script context when evaluating 'charconvert'. Also expand
script-local functions in 'charconvert'.
diff --git a/src/testdir/test_vim9_import.vim b/src/testdir/test_vim9_import.vim
index 482e759..3b7ec9c 100644
--- a/src/testdir/test_vim9_import.vim
+++ b/src/testdir/test_vim9_import.vim
@@ -905,6 +905,37 @@
set printexpr=
enddef
+def Test_import_in_charconvert()
+ var lines =<< trim END
+ vim9script
+ export def MakeUpper(): bool
+ var data = readfile(v:fname_in)
+ map(data, 'toupper(v:val)')
+ writefile(data, v:fname_out)
+ return false # success
+ enddef
+ END
+ writefile(lines, 'Xconvert.vim')
+
+ lines =<< trim END
+ vim9script
+ import './Xconvert.vim' as conv
+ set charconvert=conv.MakeUpper()
+ END
+ CheckScriptSuccess(lines)
+
+ writefile(['one', 'two'], 'Xfile')
+ new Xfile
+ write ++enc=ucase Xfile1
+ assert_equal(['ONE', 'TWO'], readfile('Xfile1'))
+
+ delete('Xfile')
+ delete('Xfile1')
+ delete('Xconvert.vim')
+ bwipe!
+ set charconvert&
+enddef
+
def Test_export_fails()
CheckScriptFailure(['export var some = 123'], 'E1042:')
CheckScriptFailure(['vim9script', 'export var g:some'], 'E1022:')