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-rw-r--r--src/testdir/test_diffmode.vim16
1 files changed, 16 insertions, 0 deletions
diff --git a/src/testdir/test_diffmode.vim b/src/testdir/test_diffmode.vim
index 7666594862..5de394de8e 100644
--- a/src/testdir/test_diffmode.vim
+++ b/src/testdir/test_diffmode.vim
@@ -202,3 +202,19 @@ func Test_diffget_diffput()
bwipe!
enew!
endfunc
+
+func Test_diffoff()
+ enew!
+ call setline(1, ['Two', 'Three'])
+ let normattr = screenattr(1, 1)
+ diffthis
+ botright vert new
+ call setline(1, ['One', '', 'Two', 'Three'])
+ diffthis
+ redraw
+ diffoff!
+ redraw
+ call assert_equal(normattr, screenattr(1, 1))
+ bwipe!
+ bwipe!
+endfunc