commit f7f7aaf8aaad34a38d3f159e031c5bcf3394f8f1
author erw7 <erw7.github@gmail.com> Tue Dec 07 21:29:20 2021 +0000
committer Bram Moolenaar <Bram@vim.org> Tue Dec 07 21:29:20 2021 +0000
tree ae3bccdefbc7cf24680259b8e92981f5037d3993
parent 4dc24eb5adbcc76838fae1e900936dd230209d96

patch 8.2.3757: an overlong highlight group name is silently truncated

Problem:    An overlong highlight group name is silently truncated.
Solution:   Give an error if the name is too long. (closes #9289)

src/testdir/test_highlight.vim

diff --git a/src/testdir/test_highlight.vim b/src/testdir/test_highlight.vim
index 8e340bc..001cd39 100644
--- a/src/testdir/test_highlight.vim
+++ b/src/testdir/test_highlight.vim
@@ -740,6 +740,7 @@
     call assert_fails('hi Xcomment ctermbg=fg', 'E419:')
     call assert_fails('hi Xcomment ctermfg=bg', 'E420:')
     call assert_fails('hi Xcomment ctermfg=ul', 'E453:')
+    call assert_fails('hi ' .. repeat('a', 201) .. ' ctermfg=black', 'E1249:')
   endif
 
   " Try using a very long terminal code. Define a dummy terminal code for this