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-rw-r--r--src/nvim/testdir/test_vartabs.vim14
1 files changed, 14 insertions, 0 deletions
diff --git a/src/nvim/testdir/test_vartabs.vim b/src/nvim/testdir/test_vartabs.vim
index 68fe15ff93..0acd7fc1e5 100644
--- a/src/nvim/testdir/test_vartabs.vim
+++ b/src/nvim/testdir/test_vartabs.vim
@@ -429,4 +429,18 @@ func Test_varsofttabstop()
close!
endfunc
+" Setting 'shiftwidth' to a negative value, should set it to either the value
+" of 'tabstop' (if 'vartabstop' is not set) or to the first value in
+" 'vartabstop'
+func Test_shiftwidth_vartabstop()
+ throw 'Skipped: Nvim removed this behavior in #6377'
+ setlocal tabstop=7 vartabstop=
+ call assert_fails('set shiftwidth=-1', 'E487:')
+ call assert_equal(7, &shiftwidth)
+ setlocal tabstop=7 vartabstop=5,7,10
+ call assert_fails('set shiftwidth=-1', 'E487:')
+ call assert_equal(5, &shiftwidth)
+ setlocal shiftwidth& vartabstop& tabstop&
+endfunc
+
" vim: shiftwidth=2 sts=2 expandtab