commit https://github.com/vim/vim/commit/1cee693b310e1494115a1677fac064941092e1bb Author: Bram Moolenaar <Bram@vim.org> Date: Thu Jun 9 22:17:22 2016 +0200 patch 7.4.1912 Problem: No test for using setqflist() on an older quickfix list. Solution: Add a couple of tests.

start:
test for empty string: ok
test for 1 char: ok
test for 3 chars: ok
test for contains meta char: ok
test for contains non-ascii char: ok