diff --git a/src/testdir/test_expand.vim b/src/testdir/test_expand.vim
new file mode 100644
index 0000000..fd999db
--- /dev/null
+++ b/src/testdir/test_expand.vim
@@ -0,0 +1,36 @@
+" Test for expanding file names
+
+func Test_with_directories()
+  call mkdir('Xdir1')
+  call mkdir('Xdir2')
+  call mkdir('Xdir3')
+  cd Xdir3
+  call mkdir('Xdir4')
+  cd ..
+
+  split Xdir1/file
+  call setline(1, ['a', 'b'])
+  w
+  w Xdir3/Xdir4/file
+  close
+
+  next Xdir?/*/file
+  call assert_equal('Xdir3/Xdir4/file', expand('%'))
+  next! Xdir?/*/nofile
+  call assert_equal('Xdir?/*/nofile', expand('%'))
+
+  call delete('Xdir1', 'rf')
+  call delete('Xdir2', 'rf')
+  call delete('Xdir3', 'rf')
+endfunc
+
+func Test_with_tilde()
+  let dir = getcwd()
+  call mkdir('Xdir ~ dir')
+  call assert_true(isdirectory('Xdir ~ dir'))
+  cd Xdir\ ~\ dir
+  call assert_true(getcwd() =~ 'Xdir \~ dir')
+  exe 'cd ' . fnameescape(dir)
+  call delete('Xdir ~ dir', 'd')
+  call assert_false(isdirectory('Xdir ~ dir'))
+endfunc