commit 612cc3888b136e80485132d9f997ed457dbc5501
author Bram Moolenaar <Bram@vim.org> Sun Jul 29 15:34:26 2018 +0200
committer Bram Moolenaar <Bram@vim.org> Sun Jul 29 15:34:26 2018 +0200
tree d200810f73b2c0c5626b249c8dbf0384448e19c8
parent 91f84f6e11cd879d43d651c0903d85bff95f0716

patch 8.1.0225: mode() does not indicate using CTRL-O from Insert mode

Problem:    Mode() does not indicate using CTRL-O from Insert mode.
Solution:   Add "niI", "niR" and "niV" to mode() result. (closes #3000)

src/testdir/test_functions.vim

diff --git a/src/testdir/test_functions.vim b/src/testdir/test_functions.vim
index 14181fb..41996bd 100644
--- a/src/testdir/test_functions.vim
+++ b/src/testdir/test_functions.vim
@@ -464,6 +464,18 @@
   call assert_equal('n', mode(0))
   call assert_equal('n', mode(1))
 
+  " i_CTRL-O
+  exe "normal i\<C-O>:call Save_mode()\<Cr>\<Esc>"
+  call assert_equal("n-niI", g:current_modes)
+
+  " R_CTRL-O
+  exe "normal R\<C-O>:call Save_mode()\<Cr>\<Esc>"
+  call assert_equal("n-niR", g:current_modes)
+
+  " gR_CTRL-O
+  exe "normal gR\<C-O>:call Save_mode()\<Cr>\<Esc>"
+  call assert_equal("n-niV", g:current_modes)
+
   " How to test operator-pending mode?
 
   call feedkeys("v", 'xt')