patch 8.1.2184: option context is not copied when splitting a windowv8.1.2184

Problem:    Option context is not copied when splitting a window. (Daniel
            Hahler)
Solution:   Copy the option context, so that ":verbose set" works.
            (closes #5066)

1 files changed, 32 insertions, 4 deletions

diff --git a/src/testdir/test_options.vim b/src/testdir/test_options.vim
index 3a4335650..65600eea9 100644
--- a/src/testdir/test_options.vim
+++ b/src/testdir/test_options.vim
@@ -296,20 +296,48 @@ func Test_set_errors()
   call assert_fails('set t_foo=', 'E846:')
 endfunc
 
+func CheckWasSet(name)
+  let verb_cm = execute('verbose set ' .. a:name .. '?')
+  call assert_match('Last set from.*test_options.vim', verb_cm)
+endfunc
+func CheckWasNotSet(name)
+  let verb_cm = execute('verbose set ' .. a:name .. '?')
+  call assert_notmatch('Last set from', verb_cm)
+endfunc
+
 " Must be executed before other tests that set 'term'.
 func Test_000_term_option_verbose()
   CheckNotGui
 
-  let verb_cm = execute('verbose set t_cm')
-  call assert_notmatch('Last set from', verb_cm)
+  call CheckWasNotSet('t_cm')
 
   let term_save = &term
   set term=ansi
-  let verb_cm = execute('verbose set t_cm')
-  call assert_match('Last set from.*test_options.vim', verb_cm)
+  call CheckWasSet('t_cm')
   let &term = term_save
 endfunc
 
+func Test_copy_context()
+  setlocal list
+  call CheckWasSet('list')
+  split
+  call CheckWasSet('list')
+  quit
+  setlocal nolist
+
+  set ai
+  call CheckWasSet('ai')
+  set filetype=perl
+  call CheckWasSet('filetype')
+  set fo=tcroq
+  call CheckWasSet('fo')
+
+  split Xsomebuf
+  call CheckWasSet('ai')
+  call CheckWasNotSet('filetype')
+  call CheckWasSet('fo')
+endfunc
+
 func Test_set_ttytype()
   CheckUnix
   CheckNotGui