patch 8.0.0894: there is no test for runtime filetype detection commit https://github.com/vim/vim/commit/0a0217abfabcee8b0779df2e18a186a4b41e18ce Author: Bram Moolenaar <Bram@vim.org> Date: Wed Aug 9 22:06:48 2017 +0200 patch 8.0.0894: there is no test for runtime filetype detection Problem: There is no test for runtime filetype detection. Solution: Test a list of filetypes from patterns.

Test for search('multi-byte char', 'bce')

STARTTEST
:source small.vim
:source mbyte.vim
:set encoding=utf-8
:/^Test bce:/+1
:$put =search('Ａ', 'bce', line('.'))
:1;/^Results:/,$wq! test.out
ENDTEST

Results:

Test bce:
Ａ