diff --git a/src/testdir/test_bufline.vim b/src/testdir/test_bufline.vim
index d359f20..3326e7d 100644
--- a/src/testdir/test_bufline.vim
+++ b/src/testdir/test_bufline.vim
@@ -37,6 +37,7 @@
   call assert_equal(['d'], getbufline(b, 4))
   call assert_equal(['e'], getbufline(b, 5))
   call assert_equal([], getbufline(b, 6))
+  call assert_equal([], getbufline(b, 2, 1))
   exe "bwipe! " . b
 endfunc