vim-patch:8.2.2420: too many problems with using all autocommand events

Problem:    Too many problems with using all autocommand events.
Solution:   Disallow defining an autocommand for all events.
https://github.com/vim/vim/commit/9a046fd08bcae319d39a4dbde2be81decee19013

Delete Test_wipe_cbuffer().
Commit dc5f4a3cc2f7f02e1ff4ec2f67eda4fb73e7d89c should have removed it.

3 files changed, 11 insertions, 28 deletions

diff --git a/src/nvim/testdir/test_autocmd.vim b/src/nvim/testdir/test_autocmd.vim
index c571e37ac3..374ad65aa9 100644
--- a/src/nvim/testdir/test_autocmd.vim
+++ b/src/nvim/testdir/test_autocmd.vim
@@ -1279,26 +1279,9 @@ func Test_TextYankPost()
   bwipe!
 endfunc
 
-func Test_nocatch_wipe_all_buffers()
-  " Real nasty autocommand: wipe all buffers on any event.
-  au * * bwipe *
-  call assert_fails('next x', 'E93')
-  bwipe
-  au!
-endfunc
-
-func Test_nocatch_wipe_dummy_buffer()
-  " Nasty autocommand: wipe buffer on any event.
-  au * x bwipe
-  call assert_fails('lv½ /x', 'E480')
-  au!
-endfunc
-
-func Test_wipe_cbuffer()
-  sv x
-  au * * bw
-  lb
-  au!
+func Test_autocommand_all_events()
+  call assert_fails('au * * bwipe', 'E1155:')
+  call assert_fails('au * x bwipe', 'E1155:')
 endfunc
 
 " Test TextChangedI and TextChangedP
diff --git a/src/nvim/testdir/test_quickfix.vim b/src/nvim/testdir/test_quickfix.vim
index 48c0a83053..00a253a215 100644
--- a/src/nvim/testdir/test_quickfix.vim
+++ b/src/nvim/testdir/test_quickfix.vim
@@ -3540,7 +3540,7 @@ func Test_lbuffer_crash()
   sv Xtest
   augroup QF_Test
     au!
-    au * * bw
+    au QuickFixCmdPre,QuickFixCmdPost,BufEnter,BufLeave * bw
   augroup END
   lbuffer
   augroup QF_Test
@@ -3552,7 +3552,7 @@ endfunc
 func Test_lexpr_crash()
   augroup QF_Test
     au!
-    au * * call setloclist(0, [], 'f')
+    au QuickFixCmdPre,QuickFixCmdPost,BufEnter,BufLeave * call setloclist(0, [], 'f')
   augroup END
   lexpr ""
   augroup QF_Test
@@ -3587,7 +3587,7 @@ func Test_lvimgrep_crash()
   sv Xtest
   augroup QF_Test
     au!
-    au * * call setloclist(0, [], 'f')
+    au QuickFixCmdPre,QuickFixCmdPost,BufEnter,BufLeave * call setloclist(0, [], 'f')
   augroup END
   lvimgrep quickfix test_quickfix.vim
   augroup QF_Test
@@ -3889,7 +3889,7 @@ func Test_lbuffer_with_bwipe()
   new
   new
   augroup nasty
-    au * * bwipe
+    au QuickFixCmdPre,QuickFixCmdPost,BufEnter,BufLeave * bwipe
   augroup END
   lbuffer
   augroup nasty
@@ -3902,9 +3902,9 @@ endfunc
 func Xexpr_acmd_freelist(cchar)
   call s:setup_commands(a:cchar)
 
-  " This was using freed memory.
+  " This was using freed memory (but with what events?)
   augroup nasty
-    au * * call g:Xsetlist([], 'f')
+    au QuickFixCmdPre,QuickFixCmdPost,BufEnter,BufLeave * call g:Xsetlist([], 'f')
   augroup END
   Xexpr "x"
   augroup nasty
diff --git a/src/nvim/testdir/test_window_cmd.vim b/src/nvim/testdir/test_window_cmd.vim
index 687b1cb989..969b75d424 100644
--- a/src/nvim/testdir/test_window_cmd.vim
+++ b/src/nvim/testdir/test_window_cmd.vim
@@ -513,8 +513,8 @@ func Test_window_colon_command()
 endfunc
 
 func Test_access_freed_mem()
-  " This was accessing freed memory
-  au * 0 vs xxx
+  " This was accessing freed memory (but with what events?)
+  au BufEnter,BufLeave,WinEnter,WinLeave 0 vs xxx
   arg 0
   argadd
   all