From 0f9dea2a0e344ded3bd4f8664acfed4fd3381c8e Mon Sep 17 00:00:00 2001
From: "Justin M. Keyes" <justinkz@gmail.com>
Date: Mon, 7 Sep 2015 22:27:21 -0400
Subject: vim-patch:7.4.849

Problem:    Moving the cursor in Insert mode starts new undo sequence.
Solution:   Add CTRL-G U to keep the undo sequence for the following
            cursor movement command. (Christian Brabandt)

https://github.com/vim/vim/commit/8b5f65a527c353b9942e362e719687c3a7592309

Closes #3492
---
 test/functional/legacy/mapping_spec.lua | 28 +++++++++++++++++++++++++++-
 1 file changed, 27 insertions(+), 1 deletion(-)

(limited to 'test')

diff --git a/test/functional/legacy/mapping_spec.lua b/test/functional/legacy/mapping_spec.lua
index 899f7423d0..4d377904f9 100644
--- a/test/functional/legacy/mapping_spec.lua
+++ b/test/functional/legacy/mapping_spec.lua
@@ -5,7 +5,7 @@ local clear, feed, insert = helpers.clear, helpers.feed, helpers.insert
 local execute, expect = helpers.execute, helpers.expect
 
 describe('mapping', function()
-  setup(clear)
+  before_each(clear)
 
   it('is working', function()
     insert([[
@@ -44,4 +44,30 @@ describe('mapping', function()
       +
       +]])
   end)
+
+  it('i_CTRL-G_U', function()
+    -- <c-g>U<cursor> works only within a single line
+    execute('imapclear')
+    execute('imap ( ()<c-g>U<left>')
+    feed('G2o<esc>ki<cr>Test1: text with a (here some more text<esc>k.')
+    -- test undo
+    feed('G2o<esc>ki<cr>Test2: text wit a (here some more text [und undo]<c-g>u<esc>k.u')
+    execute('imapclear')
+    execute('set whichwrap=<,>,[,]')
+    feed('G3o<esc>2k')
+    execute([[:exe ":norm! iTest3: text with a (parenthesis here\<C-G>U\<Right>new line here\<esc>\<up>\<up>."]])
+
+    expect([[
+      
+      
+      Test1: text with a (here some more text)
+      Test1: text with a (here some more text)
+      
+      
+      Test2: text wit a (here some more text [und undo])
+      new line here
+      Test3: text with a (parenthesis here
+      new line here
+      ]])
+  end)
 end)
-- 
cgit