commit 0e05de46226eb4e5ea580beefa71831f92d613d3
author Bram Moolenaar <Bram@vim.org> Wed Mar 25 22:23:46 2020 +0100
committer Bram Moolenaar <Bram@vim.org> Wed Mar 25 22:23:46 2020 +0100
tree 4ae0b308520e7dfe603d78dc0ab540998eb69bbe
parent bfcfd5784a2fe950d8e58d1d534bbbb4824524eb

patch 8.2.0448: various functions not properly tested

Problem:    Various functions not properly tested.
Solution:   Add more tests, especially for failures. (Yegappan Lakshmanan,
            closes #5843)

src/testdir/test_vartabs.vim

diff --git a/src/testdir/test_vartabs.vim b/src/testdir/test_vartabs.vim
index 3596722..95fffe0 100644
--- a/src/testdir/test_vartabs.vim
+++ b/src/testdir/test_vartabs.vim
@@ -369,6 +369,8 @@
   let lines = ScreenLines([1, 3], winwidth(0))
   call s:compare_lines(expect4, lines)
 
+  call assert_fails('call shiftwidth([])', 'E745:')
+
   " cleanup
   bw!
   bw!