From de500095b1adc675999315e70307b3425dca089c Mon Sep 17 00:00:00 2001
From: zeertzjq <zeertzjq@outlook.com>
Date: Sun, 6 Nov 2022 23:07:57 +0800
Subject: vim-patch:8.2.2592: code coverage could be improved (#20969)
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Problem:    Code coverage could be improved.
Solution:   Add a few more tests. (Dominique Pellé, closes vim/vim#7957)

https://github.com/vim/vim/commit/6fd367a97c8653a2d734a38252c7d68d4b2ebaa7

Test case in test_viminfo.vim is applicable.
---
 src/nvim/testdir/test_fileformat.vim | 9 +++++++++
 1 file changed, 9 insertions(+)

(limited to 'src/nvim/testdir/test_fileformat.vim')

diff --git a/src/nvim/testdir/test_fileformat.vim b/src/nvim/testdir/test_fileformat.vim
index 81127ea59a..8d727a68c4 100644
--- a/src/nvim/testdir/test_fileformat.vim
+++ b/src/nvim/testdir/test_fileformat.vim
@@ -31,6 +31,15 @@ func Test_fileformat_autocommand()
   bw!
 endfunc
 
+func Test_fileformat_nomodifiable()
+  new
+  setlocal nomodifiable
+
+  call assert_fails('set fileformat=latin1', 'E21:')
+
+  bw
+endfunc
+
 " Convert the contents of a file into a literal string
 func s:file2str(fname)
   let b = readfile(a:fname, 'B')
-- 
cgit