patch 8.2.3446: not enough tests for empty string arguments Commit: https://github.com/vim/vim/commit/820d5525cae707f39571c6abc2aa6a9e66ed171e Author: Yegappan Lakshmanan <yegappan@yahoo.com> Date: Fri Sep 17 21:07:35 2021 +0200 patch 8.2.3446: not enough tests for empty string arguments Problem: Not enough tests for empty string arguments. Solution: Add tests, fix type check. (Yegappan Lakshmanan, closes https://github.com/vim/vim/issues/8881)

" Settings for test script execution
" Always use "sh", don't use the value of "$SHELL".
set shell=sh

" Only when the +eval feature is present. 
if 1
  " While some tests overwrite $HOME to prevent them from polluting user files,
  " we need to remember the original value so that we can tell external systems
  " where to ask about their own user settings.
  let g:tester_HOME = $HOME
endif

source setup.vim