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-rw-r--r--src/nvim/testdir/test_autocmd.vim21
1 files changed, 21 insertions, 0 deletions
diff --git a/src/nvim/testdir/test_autocmd.vim b/src/nvim/testdir/test_autocmd.vim
index fb3aa2b3b0..a2aa1c32c5 100644
--- a/src/nvim/testdir/test_autocmd.vim
+++ b/src/nvim/testdir/test_autocmd.vim
@@ -452,6 +452,27 @@ func Test_autocmd_bufwipe_in_SessLoadPost()
endfor
endfunc
+" Using :blast and :ball for many events caused a crash, because b_nwindows was
+" not incremented correctly.
+func Test_autocmd_blast_badd()
+ let content =<< trim [CODE]
+ au BufNew,BufAdd,BufWinEnter,BufEnter,BufLeave,BufWinLeave,BufUnload,VimEnter foo* blast
+ edit foo1
+ au BufNew,BufAdd,BufWinEnter,BufEnter,BufLeave,BufWinLeave,BufUnload,VimEnter foo* ball
+ edit foo2
+ call writefile(['OK'], 'Xerrors')
+ qall
+ [CODE]
+
+ call writefile(content, 'XblastBall')
+ call system(GetVimCommand() .. ' --clean -S XblastBall')
+ " call assert_match('OK', readfile('Xerrors')->join())
+ call assert_match('OK', join(readfile('Xerrors')))
+
+ call delete('XblastBall')
+ call delete('Xerrors')
+endfunc
+
" SEGV occurs in older versions.
func Test_autocmd_bufwipe_in_SessLoadPost2()
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