1 files changed, 24 insertions, 0 deletions
diff --git a/src/nvim/testdir/test_display.vim b/src/nvim/testdir/test_display.vim
index 429253a863..98f6b17ccd 100644
--- a/src/nvim/testdir/test_display.vim
+++ b/src/nvim/testdir/test_display.vim
@@ -184,3 +184,27 @@ func Test_scroll_CursorLineNr_update()
   call StopVimInTerminal(buf)
   call delete(filename)
 endfunc
+
+" Test for scrolling that modifies buffer during visual block
+func Test_visual_block_scroll()
+  " See test/functional/legacy/visual_mode_spec.lua
+  CheckScreendump
+
+  let lines =<< trim END
+    source $VIMRUNTIME/plugin/matchparen.vim
+    set scrolloff=1
+    call setline(1, ['a', 'b', 'c', 'd', 'e', '', '{', '}', '{', 'f', 'g', '}'])
+    call cursor(5, 1)
+  END
+
+  let filename = 'Xvisualblockmodifiedscroll'
+  call writefile(lines, filename)
+
+  let buf = RunVimInTerminal('-S '.filename, #{rows: 7})
+  call term_sendkeys(buf, "V\<C-D>\<C-D>")
+
+  call VerifyScreenDump(buf, 'Test_display_visual_block_scroll', {})
+
+  call StopVimInTerminal(buf)
+  call delete(filename)
+endfunc