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-rw-r--r--src/nvim/testdir/test_textformat.vim12
1 files changed, 12 insertions, 0 deletions
diff --git a/src/nvim/testdir/test_textformat.vim b/src/nvim/testdir/test_textformat.vim
index 64b873c3c3..4af52b536c 100644
--- a/src/nvim/testdir/test_textformat.vim
+++ b/src/nvim/testdir/test_textformat.vim
@@ -957,6 +957,18 @@ func Test_fo_a_w()
call assert_equal('g uu uu ', getline(1)[-8:])
call assert_equal(['uu. foo'], getline(2, '$'))
+ " using backspace or "x" triggers reformat
+ call setline(1, ['1 2 3 4 5 ', '6 7 8 9'])
+ set tw=10
+ set fo=taw
+ set bs=indent,eol,start
+ exe "normal 1G4la\<BS>\<BS>\<Esc>"
+ call assert_equal(['1 2 4 5 6 ', '7 8 9'], getline(1, 2))
+ exe "normal f4xx"
+ call assert_equal(['1 2 5 6 7 ', '8 9'], getline(1, 2))
+
+ set tw=0
+ set fo&
%bw!
endfunc