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diff src/testdir/test_assign.vim @ 12588:5bc07e5d2c1f v8.0.1172

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patch 8.0.1172: when E734 is given option is still set commit https://github.com/vim/vim/commit/2a6a6c3014e728cd01c750b0f60484d4eaf22a8c Author: Bram Moolenaar <Bram@vim.org> Date: Mon Oct 2 19:29:48 2017 +0200 patch 8.0.1172: when E734 is given option is still set Problem: When E734 is given option is still set. Solution: Assign NULL to "s". (Christian Brabandt)
author Christian Brabandt <cb@256bit.org>
date Mon, 02 Oct 2017 19:30:04 +0200
parents 126405b39964
children f01eb1aed348
line wrap: on
line diff
--- a/src/testdir/test_assign.vim
+++ b/src/testdir/test_assign.vim
@@ -29,3 +29,17 @@ func Test_let_termcap()
   let &t_xx = ""
   call assert_fails('let x = &t_xx', 'E15')
 endfunc
+
+func Test_let_option_error()
+  let _w = &tw
+  let &tw = 80
+  call assert_fails('let &tw .= 1', 'E734')
+  call assert_equal(80, &tw)
+  let &tw = _w
+
+  let _w = &fillchars
+  let &fillchars = "vert:|"
+  call assert_fails('let &fillchars += "diff:-"', 'E734')
+  call assert_equal("vert:|", &fillchars)
+  let &fillchars = _w
+endfunc