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-rw-r--r--src/nvim/testdir/test_undo.vim5
1 files changed, 5 insertions, 0 deletions
diff --git a/src/nvim/testdir/test_undo.vim b/src/nvim/testdir/test_undo.vim
index beb44f9699..08facb8344 100644
--- a/src/nvim/testdir/test_undo.vim
+++ b/src/nvim/testdir/test_undo.vim
@@ -389,6 +389,11 @@ funct Test_undofile()
" Test undofile() with 'undodir' set to a non-existing directory.
" call assert_equal('', undofile('Xundofoo'))
+ if isdirectory('/tmp')
+ set undodir=/tmp
+ call assert_equal('/tmp/%tmp%file', undofile('///tmp/file'))
+ endif
+
set undodir&
endfunc