vim-patch:9.0.1064: code for making 'shortmess' temporarily empty is repeated

Problem:    Code for making 'shortmess' temporarily empty is repeated.
Solution:   Add functions for making 'shortmess' empty and restoring it.
            (Christian Brabandt, closes vim/vim#11709)

https://github.com/vim/vim/commit/9aee8ec400fe617f6d82441c46a22d0cef6fa3e6

Co-authored-by: Christian Brabandt <cb@256bit.org>

1 files changed, 55 insertions, 0 deletions

diff --git a/test/old/testdir/test_autocmd.vim b/test/old/testdir/test_autocmd.vim
index ec671369f5..f0ad5946cc 100644
--- a/test/old/testdir/test_autocmd.vim
+++ b/test/old/testdir/test_autocmd.vim
@@ -3623,5 +3623,60 @@ func Test_autocmd_nested_setbufvar()
   %bwipe!
 endfunc
 
+func SetupVimTest_shm()
+  let g:bwe = []
+  let g:brp = []
+  set shortmess+=F
+
+  let dirname='XVimTestSHM'
+  call mkdir(dirname, 'R')
+  call writefile(['test'], dirname .. '/1')
+  call writefile(['test'], dirname .. '/2')
+  call writefile(['test'], dirname .. '/3')
+
+  augroup test
+      autocmd!
+      autocmd BufWinEnter * call add(g:bwe, $'BufWinEnter: {expand('<amatch>')}')
+      autocmd BufReadPost * call add(g:brp,  $'BufReadPost: {expand('<amatch>')}')
+  augroup END
+
+  call setqflist([
+        \  {'filename': dirname .. '/1', 'lnum': 1, 'col': 1, 'text': 'test', 'vcol': 0},
+        \  {'filename': dirname .. '/2', 'lnum': 1, 'col': 1, 'text': 'test', 'vcol': 0},
+        \  {'filename': dirname .. '/3', 'lnum': 1, 'col': 1, 'text': 'test', 'vcol': 0}
+        \  ])
+  cdo! substitute/test/TEST
+
+  " clean up
+  noa enew!
+  set shortmess&vim
+  augroup test
+      autocmd!
+  augroup END
+  augroup! test
+endfunc
+
+func Test_autocmd_shortmess()
+  CheckNotMSWindows
+
+  call SetupVimTest_shm()
+  let output = execute(':mess')->split('\n')
+
+  let info = copy(output)->filter({idx, val -> val =~# '\d of 3'} )
+  let bytes = copy(output)->filter({idx, val -> val =~# 'bytes'} )
+
+  " We test the following here:
+  " BufReadPost should have been triggered 3 times, once per file
+  " BufWinEnter should have been triggered 3 times, once per file
+  " FileInfoMessage should have been shown 3 times, regardless of shm option
+  " "(x of 3)" message from :cnext has been shown 3 times
+
+  call assert_equal(3, g:brp->len())
+  call assert_equal(3, g:bwe->len())
+  call assert_equal(3, info->len())
+  call assert_equal(3, bytes->len())
+
+  delfunc SetupVimTest_shm
+endfunc
 
 " vim: shiftwidth=2 sts=2 expandtab