From e852bad3a7f9ae8a85117785f3ad18954b1a74fa Mon Sep 17 00:00:00 2001
From: Aufar Gilbran <aufargilbran@gmail.com>
Date: Fri, 2 Oct 2020 03:20:58 +0800
Subject: vim-patch:8.2.1345: Redraw error when using visual block and scroll

Problem:    Redraw error when using visual block and scroll.
Solution:   Add check for w_topline. ( closes vim/vim#6597)
https://github.com/vim/vim/commit/f8992d47cd50494c64bb733329067c9de3c75200
---
 test/functional/legacy/visual_mode_spec.lua | 42 +++++++++++++++++++++++++++++
 1 file changed, 42 insertions(+)
 create mode 100644 test/functional/legacy/visual_mode_spec.lua

(limited to 'test/functional')

diff --git a/test/functional/legacy/visual_mode_spec.lua b/test/functional/legacy/visual_mode_spec.lua
new file mode 100644
index 0000000000..c8e83ed649
--- /dev/null
+++ b/test/functional/legacy/visual_mode_spec.lua
@@ -0,0 +1,42 @@
+-- Test visual line mode selection redraw after scrolling
+
+local helpers = require('test.functional.helpers')(after_each)
+
+local Screen = require('test.functional.ui.screen')
+local call = helpers.call
+local clear = helpers.clear
+local feed = helpers.feed
+local feed_command = helpers.feed_command
+local funcs = helpers.funcs
+local meths = helpers.meths
+local eq = helpers.eq
+
+describe('visual line mode', function()
+  local screen
+
+  it('redraws properly after scrolling with matchparen loaded and scrolloff=1', function()
+    clear{args={'-u', 'NORC'}}
+    screen = Screen.new(30, 7)
+    screen:attach()
+    screen:set_default_attr_ids({
+      [1] = {bold = true},
+      [2] = {background = Screen.colors.LightGrey},
+    })
+
+    eq(1, meths.get_var('loaded_matchparen'))
+    feed_command('set scrolloff=1')
+    funcs.setline(1, {'a', 'b', 'c', 'd', 'e', '', '{', '}', '{', 'f', 'g', '}'})
+    call('cursor', 5, 1)
+
+    feed('V<c-d><c-d>')
+    screen:expect([[
+      {2:{}                             |
+      {2:}}                             |
+      {2:{}                             |
+      {2:f}                             |
+      ^g                             |
+      }                             |
+      {1:-- VISUAL LINE --}             |
+    ]])
+  end)
+end)
-- 
cgit 


From a893593a9f54a0fbe84b467d43f11a841ecae2ee Mon Sep 17 00:00:00 2001
From: Aufar Gilbran <aufargilbran@gmail.com>
Date: Fri, 2 Oct 2020 14:10:18 +0800
Subject: vim-patch:8.2.1488: text does not scroll when inserting above first
 line

Problem:    Text does not scroll when inserting above first line.
Solution:   Adjust off-by-one error. (Ken Takata, closes vim/vim#6739)
https://github.com/vim/vim/commit/9dc1917f42b23277e143fc58bbe27482b0b76bad
---
 test/functional/legacy/display_spec.lua | 31 +++++++++++++++++++++++++++++++
 1 file changed, 31 insertions(+)
 create mode 100644 test/functional/legacy/display_spec.lua

(limited to 'test/functional')

diff --git a/test/functional/legacy/display_spec.lua b/test/functional/legacy/display_spec.lua
new file mode 100644
index 0000000000..aafcda67dc
--- /dev/null
+++ b/test/functional/legacy/display_spec.lua
@@ -0,0 +1,31 @@
+local helpers = require('test.functional.helpers')(after_each)
+
+local Screen = require('test.functional.ui.screen')
+local clear = helpers.clear
+local wait = helpers.wait
+local feed = helpers.feed
+local feed_command = helpers.feed_command
+
+describe('display', function()
+  local screen
+
+  it('scroll when modified at topline', function()
+    clear()
+    screen = Screen.new(20, 4)
+    screen:attach()
+    screen:set_default_attr_ids({
+      [1] = {bold = true},
+    })
+
+    feed_command([[call setline(1, repeat('a', 21))]])
+    wait()
+    feed('O')
+    screen:expect([[
+      ^                    |
+      aaaaaaaaaaaaaaaaaaaa|
+      a                   |
+      {1:-- INSERT --}        |
+    ]])
+  end)
+end)
+
-- 
cgit