patch 8.2.0905: test coverage could be better
Problem: Test coverage could be better.
Solution: Add a couple of tests. (Dominique Pelle, closes #6202)
diff --git a/src/testdir/test_cmdline.vim b/src/testdir/test_cmdline.vim
index a547326..66f6e90 100644
--- a/src/testdir/test_cmdline.vim
+++ b/src/testdir/test_cmdline.vim
@@ -1220,6 +1220,22 @@
call delete('Xresult')
endfunc
+" Test error: "E135: *Filter* Autocommands must not change current buffer"
+func Test_cmd_bang_E135()
+ new
+ call setline(1, ['a', 'b', 'c', 'd'])
+ augroup test_cmd_filter_E135
+ au!
+ autocmd FilterReadPost * help
+ augroup END
+ call assert_fails('2,3!echo "x"', 'E135:')
+
+ augroup test_cmd_filter_E135
+ au!
+ augroup END
+ %bwipe!
+endfunc
+
" Test for using ~ for home directory in cmdline completion matches
func Test_cmdline_expand_home()
call mkdir('Xdir')