commit 28ee892ac4197421b3317f195512ca64cc56a5b4
author Bram Moolenaar <Bram@vim.org> Wed Oct 28 20:20:00 2020 +0100
committer Bram Moolenaar <Bram@vim.org> Wed Oct 28 20:20:00 2020 +0100
tree 0a9eb799ec0e55a32600cc604cea653d9b91f322
parent 3e2534ed1a6557445747e6c1439ad26ec8eabfc4

patch 8.2.1919: assert_fails() setting emsg_silent changes normal execution

Problem:    Assert_fails() setting emsg_silent changes normal execution.
Solution:   Use a separate flag in_assert_fails.

src/testdir/gen_opt_test.vim

diff --git a/src/testdir/gen_opt_test.vim b/src/testdir/gen_opt_test.vim
index 271abed..600a790 100644
--- a/src/testdir/gen_opt_test.vim
+++ b/src/testdir/gen_opt_test.vim
@@ -200,8 +200,8 @@
       " setting an option can only fail when it's implemented.
       call add(script, "if exists('+" . name . "')")
       for val in a[1]
-	call add(script, "call assert_fails('set " . name . "=" . val . "')")
-	call add(script, "call assert_fails('set " . shortname . "=" . val . "')")
+	call add(script, "silent! call assert_fails('set " . name . "=" . val . "')")
+	call add(script, "silent! call assert_fails('set " . shortname . "=" . val . "')")
       endfor
       call add(script, "endif")
     endif